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Mercedes-Benz C-Class 2015–2021 problems by year and mileage

4th generation (W205)

NHTSA data through 24 September 20261,173 complaints, 363 with mileageMethod

Which year is yours? Tap it to see what breaks on it.

The 2015 Mercedes-Benz C-Class

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Median failure report
48,000 mi
Complaints filed
428
Recalls naming this year
11

At least 40% of the complaints about the 2015 were filed after 2020, and most complaints filed since then carry no odometer reading. The median here rests on the earlier reports and likely understates the mileage these failures happen at.

Most reported on the 2015

  1. Engine131 reports · median 52,000 mi
  2. Body structure76 reports · median 69,000 mi
  3. Problems owners could not categorise73 reports

11 recall campaigns name the 2015: Structure — body; Communication; Steering — rack and pinion. Not every car in a campaign is affected — check the VIN at NHTSA. Recall repairs are free.

When each system fails on this generation →

The 2016 Mercedes-Benz C-Class

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Median failure report
40,000 mi
Complaints filed
292
Recalls naming this year
13

At least 40% of the complaints about the 2016 were filed after 2020, and most complaints filed since then carry no odometer reading. The median here rests on the earlier reports and likely understates the mileage these failures happen at.

Most reported on the 2016

  1. Engine95 reports
  2. Problems owners could not categorise68 reports
  3. Fuel and propulsion system58 reports

13 recall campaigns name the 2016: Structure — body; Fuel system, gasoline — fuel injection system; Communication — auto crash notification. Not every car in a campaign is affected — check the VIN at NHTSA. Recall repairs are free.

When each system fails on this generation →

The 2017 Mercedes-Benz C-Class

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Median failure report
26,000 mi
Complaints filed
221
Recalls naming this year
15

At least 40% of the complaints about the 2017 were filed after 2020, and most complaints filed since then carry no odometer reading. The median here rests on the earlier reports and likely understates the mileage these failures happen at.

Most reported on the 2017

  1. Engine80 reports
  2. Problems owners could not categorise35 reports
  3. Electrical system32 reports

15 recall campaigns name the 2017: Structure — body; Communication — auto crash notification; Seat belts — front. Not every car in a campaign is affected — check the VIN at NHTSA. Recall repairs are free.

When each system fails on this generation →

The 2018 Mercedes-Benz C-Class

Close
Median failure report
too few reports to time
Complaints filed
114
Recalls naming this year
18

Most reported on the 2018

  1. Engine38 reports
  2. Problems owners could not categorise23 reports
  3. Body structure18 reports

18 recall campaigns name the 2018: Structure — body; Communication — auto crash notification; Exterior lighting — headlights. Not every car in a campaign is affected — check the VIN at NHTSA. Recall repairs are free.

When each system fails on this generation →

The 2019 Mercedes-Benz C-Class

Close
Median failure report
too few reports to time
Complaints filed
70
Recalls naming this year
17

Most reported on the 2019

  1. Engine17 reports
  2. Electrical system14 reports
  3. Problems owners could not categorise8 reports

17 recall campaigns name the 2019: Structure — body; Communication — auto crash notification; Back over prevention — display function. Not every car in a campaign is affected — check the VIN at NHTSA. Recall repairs are free.

When each system fails on this generation →

The 2020 Mercedes-Benz C-Class

Close
Median failure report
too few reports to time
Complaints filed
33
Recalls naming this year
9

Most reported on the 2020

  1. Engine8 reports
  2. Problems owners could not categorise5 reports
  3. Body structure4 reports

9 recall campaigns name the 2020: Structure — body; Communication — auto crash notification; Back over prevention — display function. Not every car in a campaign is affected — check the VIN at NHTSA. Recall repairs are free.

When each system fails on this generation →

The 2021 Mercedes-Benz C-Class

Close
Median failure report
too few reports to time
Complaints filed
15
Recalls naming this year
7

Most reported on the 2021

  1. Engine8 reports
  2. Airbag system2 reports
  3. Fuel and propulsion system2 reports

7 recall campaigns name the 2021: Fuel system, gasoline — delivery; Communication — auto crash notification; Back over prevention — display function. Not every car in a campaign is affected — check the VIN at NHTSA. Recall repairs are free.

When each system fails on this generation →

Each tile shows the median mileage at which that model year’s failures were reported. † marks a year whose median likely understates the mileage: much of its reporting came after 2020, when most complaints stopped recording an odometer reading. The 2015 reports latest and the 2017 earliest, but part of that gap is age: the 2015 has had 2 more years on the road to accumulate mileage. 4 of these years carry fewer than 30 reports with an odometer reading and show no median at all, rather than one computed from a handful.

The short answer

“Is the 2015–2021 Mercedes-Benz C-Class reliable?”

Median of reported failures
40,000 mi
90% of reports came by
90,000 mi
Reports with mileage
363
Recalls
43

At least 40% of this generation’s complaints were filed after 2020, and most complaints filed since then carry no odometer reading, so the median likely understates the mileage these failures happen at.

Most reported

  1. Engine32.1% of complaints · median 48,000 mi
  2. Problems owners could not categorise18.1% of complaints · median 21,000 mi
  3. Fuel and propulsion system15.4% of complaints · median 50,000 mi

When each system fails ↓

Documented problems

What each one is ↓

Owners filed 1,173 complaints with NHTSA about the 2015–2021 Mercedes-Benz C-Class; the engine leads with 32.1% of them, and half of the 363 that record an odometer reading came by 40,000 miles. A count like this can’t rate reliability on its own: NHTSA records what owners chose to report, not how many of each car were sold.

Failures are spread across the mileage range, with the middle half between 12,000 and 63,000 miles.

Before-you-buy checklist ↓At your mileage ↓Check this VIN — NHTSA ↗

How many miles does a 2015–2021 Mercedes-Benz C-Class last?

Complaint records can’t measure how long a car lasts; they show when reported failures happened. On the 2015–2021 Mercedes-Benz C-Class, half of the 363 complaints that record an odometer reading were filed by 40,000 miles and 90% by 90,000 miles.

3 reports came in past 150,000 miles — each one proof that a C-Class reached that mileage, not that it failed there.

Figure 1 · Mercedes-Benz C-Class 2015–2021 · 363 reports with mileage

Mileage at failure

Complaints per 10,000-mile bin, 0 to 200,000 miles, equal bins on a linear scale. Tallest bar = 83 complaints.

Mileage at failure, Mercedes-Benz C-Class 2015–2021Histogram of 363 owner-reported failures by mileage, in 10,000-mile bins from 0 to 200,000. The tallest bin is 0 to 10,000 miles with 83 complaints, 22.9 percent of the total. Failures are spread across the mileage range, with the middle half between 12,000 and 63,000 miles. Median mileage at failure is 40,000.
  • Rest of the range
  • Median
10%
1,750
25%
12,000
Median
40,000
75%
62,612
90%
90,000

Tallest bin: 83 complaints between 0 and 10,000 miles. Based on 363 complaints that record mileage. Bin width 10,000 miles.

Show the numbers
Complaints by mileage bin
MileageComplaintsShare
0–10,0008322.9%
10,000–20,000287.7%
20,000–30,0003810.5%
30,000–40,000287.7%
40,000–50,000349.4%
50,000–60,0004813.2%
60,000–70,000287.7%
70,000–80,000205.5%
80,000–90,000174.7%
90,000–100,000102.8%
100,000–110,000133.6%
110,000–120,00061.7%
120,000–130,00041.1%
130,000–140,00030.8%
150,000–160,00020.6%
170,000–180,00010.3%

Source: NHTSA Office of Defects Investigation, public domain. Complaint counts reflect what owners reported and are not a measure of failure rate per vehicle sold.

What this can and cannot tell you: these are complaints owners chose to file, not a failure rate. Popular models accumulate more of them simply by being common. How this is built.

Common C-Class problems, and when they happen

Figure 2 · Mercedes-Benz C-Class 2015–2021

When each system fails

Bar spans the middle half of reports; the notch inside each bar is the median. Miles at failure on a proportional scale — equal distances are equal ratios, not equal miles.

  1. Electrical system146 reports20,0008,000–49,000Electrical system: 146 reports, median 20,000 miles, middle half 8,000 to 49,000 miles.
  2. Problems owners could not categorise212 reports21,0006,000–45,000Problems owners could not categorise: 212 reports, median 21,000 miles, middle half 6,000 to 45,000 miles.
  3. Transmission and driveline66 reports29,0003,500–46,000Transmission and driveline: 66 reports, median 29,000 miles, middle half 3,500 to 46,000 miles.
  4. Steering71 reports40,0008,500–65,000Steering: 71 reports, median 40,000 miles, middle half 8,500 to 65,000 miles.
  5. Engine377 reports48,00011,000–66,000Engine: 377 reports, median 48,000 miles, middle half 11,000 to 66,000 miles.
  6. Fuel and propulsion system181 reports50,00030,000–61,000Fuel and propulsion system: 181 reports, median 50,000 miles, middle half 30,000 to 61,000 miles.
  7. Body structure156 reports57,00032,000–90,000Body structure: 156 reports, median 57,000 miles, middle half 32,000 to 90,000 miles.
  • Your odometer — appears after you enter it in “Where your car sits”

Ordered by median mileage, earliest first. The first 12,000 miles are shaded: that is the boundary this site uses between a manufacturing defect and ordinary wear, not a property of the world.

Source: NHTSA Office of Defects Investigation, public domain.

All systems in a table
Complaints by vehicle system
SystemComplaintsShareMedian25–75%
Engine37732.1%48,00011,000–66,000
Problems owners could not categorise21218.1%21,0006,000–45,000
Fuel and propulsion system18115.4%50,00030,000–61,000
Body structure15613.3%57,00032,000–90,000
Electrical system14612.4%20,0008,000–49,000
Steering716.1%40,0008,500–65,000
Transmission and driveline665.6%29,0003,500–46,000
Airbag system463.9%17,0008,000–50,000
Suspension413.5%——
Visibility equipment363.1%49,00025,000–73,000
System by system, in words

Complaints about this generation are not spread evenly across the vehicle, and the systems that generate the most of them do not all fail at the same point in a car's life. The median failure across all systems here is 40,000 miles; the figures below show which parts of the car run ahead of that and which run behind.

The engine accounts for 32.1% of complaints (377 reports, 70 of them with a mileage figure), with a median of 48,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 11,000 and 66,000 miles.

A single system taking 32.1% of all complaints is a concentration worth noting. It means that for this generation, most of what owners reported came back to one area of the car rather than being distributed across many small faults.

Problems owners could not categorise accounts for 18.1% of complaints (212 reports, 41 of them with a mileage figure), and it fails early — a median of 21,000 miles, well before the vehicle's overall median. Failures clustered this far below the rest of the car usually point to a design or manufacturing problem rather than wear, because wear does not selectively target one system on low-mileage examples. The middle half of these reports falls between 6,000 and 45,000 miles.

The fuel and propulsion system accounts for 15.4% of complaints (181 reports, 41 of them with a mileage figure), with a median of 50,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 30,000 and 61,000 miles.

Body structure accounts for 13.3% of complaints (156 reports, 67 of them with a mileage figure), with a median of 57,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 32,000 and 90,000 miles.

The electrical system accounts for 12.4% of complaints (146 reports, 56 of them with a mileage figure), and it fails early — a median of 20,000 miles, well before the vehicle's overall median. Failures clustered this far below the rest of the car usually point to a design or manufacturing problem rather than wear, because wear does not selectively target one system on low-mileage examples. The middle half of these reports falls between 8,000 and 49,000 miles.

The steering accounts for 6.1% of complaints (71 reports, 27 of them with a mileage figure), with a median of 40,000 miles, close to the vehicle's overall pattern. The middle half of these reports falls between 8,500 and 65,000 miles.

Known problems with the 2015–2021 C-Class

Engine 2015–2016

M274 2.0L turbo wrist pin and piston issues on early C300 builds, presenting as knocking or ticking under load.

Electrical 2015–2021

Rapid battery discharge and parasitic drain, particularly on vehicles left standing; a leading no-start cause for the generation. Keyless-Go module faults typically appear around 40,000-60,000 km.

Infotainment 2015–2018

COMAND infotainment freezes, reboots and display faults, concentrated in pre-facelift cars and often appearing within the first 30,000 km.

Body 2015–2021

Door handle sensor and LED failures (typically 60,000-80,000 km), sagging sunroof shades, and interior trim noise.

Suspension 2015–2021

Airmatic air suspension failures on so-equipped cars — compressor and air strut leaks causing ride height loss.

Before you buy a 2015–2021 C-Class: the 3-minute check

Generated from 363 mileage-tagged complaints, 43 recall campaigns, 5 documented problem areas. Print this page — the checklist survives print.

  1. Run the VIN at nhtsa.gov/recalls. 43 campaigns cover this generation; an open recall is a free repair you can make the seller's problem.
  2. Check engine on 2015–2016 cars. M274 2.0L turbo wrist pin and piston issues on early C300 builds, presenting as knocking or ticking under load.
  3. Check electrical on 2015–2021 cars. Rapid battery discharge and parasitic drain, particularly on vehicles left standing; a leading no-start cause for the generation. Keyless-Go module faults typically appear around 40,000-60,000 km.
  4. Check infotainment on 2015–2018 cars. COMAND infotainment freezes, reboots and display faults, concentrated in pre-facelift cars and often appearing within the first 30,000 km.
  5. Complaint reports are not spread evenly across model years here — see the by-model-year table below before you settle on a year.
  6. End with a pre-purchase inspection of this car. Aggregate data describes the population; the example in front of you has its own history.

For a buyer, failures on this generation are spread rather than concentrated: the middle half falls between 12,000 and 63,000 miles, with a median of 40,000. There is no single mileage threshold to watch, which means condition and maintenance records are more informative than the odometer.

On inspection, the engine and problems owners could not categorise are where this generation's reports concentrate, so those are the areas worth a specific look. Problems owners could not categorise in particular shows a median failure mileage of 21,000, which gives a concrete number to compare against the odometer of any car you are considering.

None of this is a substitute for a pre-purchase inspection on the individual car. Aggregate patterns describe a population; the example in front of you has its own history.

C-Class problems by mileage: where your car sits

Type your odometer reading, or read the common mileages in the table. Your marker lands on the timing chart above and on the curve below.

earlier most reports on that system came below this mileage — ask for repair records. in window this mileage sits inside the middle half of its reports. later most reports came above it. That describes reports, not your odds.

Where each system’s reports sit against common odometer readings
SystemMiddle half of reports, miAt 60k mi71% belowAt 90k mi89% belowAt 120k mi97% belowAt 150k mi99% belowAt 200k mi100% below
Engine11,000–66,000in windowearlierearlierearlierearlier
Problems owners could not categorise6,000–45,000earlierearlierearlierearlierearlier
Fuel and propulsion system30,000–61,000in windowearlierearlierearlierearlier
Body structure32,000–90,000in windowearlierearlierearlierearlier
Electrical system8,000–49,000earlierearlierearlierearlierearlier
Steering8,500–65,000in windowearlierearlierearlierearlier
Transmission and driveline3,500–46,000earlierearlierearlierearlierearlier

Figure 3 · Mercedes-Benz C-Class 2015–2021 · 363 reports with mileage

Share of reports below each mileage

Share of mileage-tagged reports filed at or below each odometer reading. Steps rise only at bin edges, by exact counted shares.

Cumulative share of reports by mileage, Mercedes-Benz C-Class 2015–2021Of 363 reports that record mileage, the share filed below each odometer reading, rising in steps at each 10,000-mile bin edge. 71 percent below 60,000 miles. 89 percent below 90,000 miles. 97 percent below 120,000 miles. 99 percent below 150,000 miles. 100 percent below 200,000 miles. Median 40,000 miles.
  • 60,000 mi — 71% of reports below
  • 90,000 mi — 89% of reports below
  • 120,000 mi — 97% of reports below
  • 150,000 mi — 99% of reports below
  • 200,000 mi — 100% of reports below
  • Median — the staircase crosses the 50% line here
  • Your odometer — appears after you enter it above

Nothing is smoothed or interpolated. Linear axis, same as Figure 1.

Source: NHTSA Office of Defects Investigation, public domain.

2015–2021 Mercedes-Benz C-Class recalls (43)

NHTSA records 43 recall campaigns covering vehicles in this generation. A recall means the manufacturer or the regulator concluded there was a safety defect or a standard was not met, and that a free remedy is owed to owners — including second and later owners.

The campaigns cluster around the electrical system (7), the steering (6), communication (5). Several campaigns against one area can mean a remedy that did not hold, or separate defects in parts filed under the same heading; the summaries below name each defect.

Recall status is specific to the individual vehicle, not the model. Checking a VIN against NHTSA's lookup is free and takes under a minute, and it is the only way to know whether a particular car has had the work done.

Recall repairs are free at an authorized dealer, for any owner. Summaries below shorten NHTSA’s own wording.

  1. Dec 2023 · 2015–2020 · StructureA detached roof panel can become a road hazard, increasing the risk of a crash.

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof…

    What can happen. A detached roof panel can become a road hazard, increasing the risk of a crash.

    The free fix. Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2…

    NHTSA campaign 23V-854 (2023-12-15).

  2. Jun 2023 · 2021 · Fuel System, GasolineA loss of drive power can increase the risk of a crash.

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a…

    What can happen. A loss of drive power can increase the risk of a crash.

    The free fix. Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this…

    NHTSA campaign 23V-445 (2023-06-26).

  3. May 2022 · 2017–2021 · CommunicationA disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's…

    What can happen. A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of…

    The free fix. The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters…

    NHTSA campaign 22V-365 (2022-05-20).

  4. Apr 2022 · 2019–2021 · Back Over PreventionAn inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model…

    What can happen. An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.

    The free fix. Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for…

    NHTSA campaign 22V-232 (2022-04-08).

  5. Dec 2021 · 2016, 2019 · Fuel System, GasolineA fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 AMG G63, C300, E300, G550, AMG GT63, AMG GT53, 2019-2020 A220, GLA250, GLC300, 2016 C300, 2020 AMG A35, AMG C43, AMG C63, CLA250, E350, E450, GLB250, GLE450, GLS450, GLS580, S560, and SL550 vehicles…

    What can happen. A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the risk of a fire.

    The free fix. Dealers will replace the fuel rail and fuel injectors, free of charge. Owner notification letters were mailed April 22, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's…

    NHTSA campaign 21V-961 (2021-12-13).

  6. Jul 2021 · 2018–2020 · Exterior LightingIncorrectly adjusted headlights may reduce visibility, increasing the risk of a crash.

    The defect. Mercedes-Benz LLC (MBUSA) is recalling certain 2018-2020 C300, 2019-2020 A220, AMG C43, AMG C63, 2020 GLE580, GLB250, 2020-2021 GLE450, GLE350, 2021 AMG GLE63, and AMG GLE53 vehicles. The LED headlights may have been incorrectly adjusted during a vehicle…

    What can happen. Incorrectly adjusted headlights may reduce visibility, increasing the risk of a crash.

    The free fix. Dealers will replace the LED headlights, free of charge. Interim letters notifying owners of the safety risk were mailed August 13, 2021. A second notice will be sent once the remedy is available.…

    NHTSA campaign 21V-509 (2021-07-02).

  7. May 2021 · 2021 · SeatsIncorrectly mounted headrests could move or detach from the seat during a crash, increasing the risk of…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C300 Cabriolet, C43 AMG Cabriolet, C63 AMG Cabriolet, C63 AMG S Cabriolet, E450 Cabriolet, and E53 AMG Cabriolet vehicles. The rear headrests may be incorrectly mounted to the seatbacks.

    What can happen. Incorrectly mounted headrests could move or detach from the seat during a crash, increasing the risk of injury.

    The free fix. Dealers will inspect the rear seatback guide bushings and replace them if necessary, free of charge. Owner notification letters were mailed July 16, 2021. Owners may contact MBUSA customer service at…

    NHTSA campaign 21V-406 (2021-05-28).

  8. Apr 2021 · 2021 · Seat BeltsAir bags and seat belts that do not perform properly in a crash can increase the risk of injury.

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 C-Class, E-Class, E-Class Coupe and Convertible, GLC, CLS, AMG GT 4-door Coupe and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. A faulty electrical contact…

    What can happen. Air bags and seat belts that do not perform properly in a crash can increase the risk of injury.

    The free fix. MBUSA will notify owners, and dealers will replace the seat position switches, free of charge. Owner letters were mailed May 21, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.…

    NHTSA campaign 21V-230 (2021-04-01).

  9. Mar 2021 · 2015–2020 · StructureThe adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300…

    What can happen. The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.

    The free fix. Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge.…

    NHTSA campaign 21V-197 (2021-03-19).

  10. Feb 2021 · 2017–2019 · CommunicationA disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350, GLE400…

    What can happen. A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk…

    The free fix. MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional…

    NHTSA campaign 21V-072 (2021-02-12).

  11. Feb 2021 · 2016–2021 · CommunicationFailure of the eCall system may result in emergency responders being dispatched to the wrong location…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the…

    What can happen. Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

    The free fix. MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may…

    NHTSA campaign 21V-058 (2021-02-05).

  12. Jan 2021 · 2017–2021 · Seat BeltsIf the seat belt does not fully retract, the occupant may find the operation of the seat belt inconvenient…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2021 C300, 2017-2020 AMG C43, and AMG C63 vehicles. The front seat belts might not fully retract to their stowed position. As such, these vehicles fail to comply with the requirements of Federal Motor…

    What can happen. If the seat belt does not fully retract, the occupant may find the operation of the seat belt inconvenient and not wear it, increasing the risk of injury in the event of a crash.

    The free fix. MBUSA will notify owners, and dealers will check the retraction function of the front seat belts and adjust the damping foam within the B-pillars, as necessary, free of charge. The recall began…

    NHTSA campaign 21V-032 (2021-01-29).

  13. Oct 2020 · 2019 · Latches/Locks/LinkagesIn the event of a rear-end crash, the center console lid may open, increasing the risk of injury to occupants.

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300 vehicles. The center console lock-system might not lock properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 201, "Occupant…

    What can happen. In the event of a rear-end crash, the center console lid may open, increasing the risk of injury to occupants.

    The free fix. MBUSA will notify owners, and dealers will check the center console storage compartment, and replace it, if necessary, free of charge. The recall began October 30, 2020. Owners may contact MBUSA…

    NHTSA campaign 20V-608 (2020-10-02).

  14. Jul 2020 · 2019 · Electrical SystemWithout the audible tone and blinking warning light to remind the front seat occupants that their seat belts…

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300, C300 Coupe, CLS450, E450 Coupe and S450, 2017-2019 E300, 2018 E400 Coupe, E400 Stationwagon, and 2018-2019 S560 vehicles that have previously had the instrument cluster replaced. The software in…

    What can happen. Without the audible tone and blinking warning light to remind the front seat occupants that their seat belts are not buckled, they may forget to buckle their seat belt, increasing their risk of…

    The free fix. MBUSA will notify owners, and dealers will update the instrument cluster software, free of charge. The recall began September 8, 2020. Owners may contact MBUSA customer service at 1-800-367-6372.…

    NHTSA campaign 20V-449 (2020-07-31).

  15. Jun 2020 · 2020 · Engine and Engine CoolingAn oil leak in the presence of an ignition source such as hot engine or exhaust components can increase the…

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300, E350, and GLC300 vehicles equipped with turbocharged 4-cylinder gasoline engines. The screws that retain the turbocharger oil feed and return lines may not have been properly tightened, possibly…

    What can happen. An oil leak in the presence of an ignition source such as hot engine or exhaust components can increase the risk of a fire.

    The free fix. MBUSA will notify owners, and dealers will inspect the turbocharger oil lines and tighten them as necessary, free of charge. The recall began August 17, 2020. Owners may contact MBUSA customer…

    NHTSA campaign 20V-364 (2020-06-22).

  16. Feb 2020 · 2020 · CommunicationAn inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300 Cabrio, C300 Cabrio 4MATIC, C300 Coupe, C43 AMG Cabrio 4MATIC, C43 AMG Coupe 4MATIC, C63S AMG Cabrio, CLS53 AMG 4MATIC, E350, E350 4MATIC, E450 Cabrio, E450 Cabrio 4MATIC, E450 Coupe, E450 Coupe…

    What can happen. An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

    The free fix. MBUSA will notify owners, and dealers will replace the communication module, free of charge. The recall began April 14, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's…

    NHTSA campaign 20V-068 (2020-02-07).

  17. Nov 2019 · 2015–2017 · CommunicationAn inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle…

    What can happen. An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

    The free fix. MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed…

    NHTSA campaign 19V-787 (2019-11-01).

  18. Aug 2019 · 2018–2019 · Electrical SystemLoss of power from the battery can impair post-crash functions, such as communicating with emergency services…

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018-2019 C300, C300 4MATIC, and C43 AMG 4MATIC vehicles. The mounting bracket for the 12-volt battery may not be secured. This may allow the battery to shift, possibly disconnecting the terminals in the…

    What can happen. Loss of power from the battery can impair post-crash functions, such as communicating with emergency services and activating hazard lights. The battery may also detach and become a road hazard.…

    The free fix. MBUSA will notify owners, and dealers will replace the battery mounting bracket, free of charge. The recall began October 18, 2019. Owners may contact MBUSA customer service at 1-800-367-6372.…

    NHTSA campaign 19V-586 (2019-08-09).

  19. Jul 2019 · 2019 · Forward Collision AvoidanceAn impaired Active Brake Assist may not automatically apply partial or full braking as expected, increasing…

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300 Cabrio, C300A Cabrio 4MATIC, C300 Coupe, C300 Coupe 4MATIC, C300, C300 4MATIC, C43 AMG Cabrio 4MATIC, C43 AMG Coupe 4MATIC, C43 AMG 4MATIC, C63 AMG Cabrio, C63S AMG Cabrio, C63 AMG Coupe, C63S AMG…

    What can happen. An impaired Active Brake Assist may not automatically apply partial or full braking as expected, increasing the risk of a crash.

    The free fix. MBUSA will notify owners, and dealers will update the radar sensor control unit software, free of charge. The recall began September 13, 2019. Owners may contact MBUSA customer service at…

    NHTSA campaign 19V-540 (2019-07-19).

  20. Feb 2019 · 2017–2018 · SeatsIf the seatback does not properly lock, in the event of a crash, the seatbacks may fold forward, increasing…

    The defect. Mercedes-Benz USA, LLC (Mercedes) is recalling certain 2017-2018 Mercedes-Benz C300 Cabriolet, C300 Coupe, AMG C43 Coupe, C300 4MATIC Cabriolet, C300 4MATIC Coupe, AMG C43 Cabriolet, AMG C63 Cabriolet, AMG C63 Coupe, AMG C63 S Cabriolet and AMG C63 S Coupe…

    What can happen. If the seatback does not properly lock, in the event of a crash, the seatbacks may fold forward, increasing the risk of injury.

    The free fix. Mercedes will notify owners, and dealers will inspect the locking of the seatback on the affected vehicles and replace the seatback lock, as necessary, free of charge. An interim owner letter was…

    NHTSA campaign 19V-130 (2019-02-26).

  21. Dec 2018 · 2019 · Electrical SystemDriving the vehicle with the ESP system deactivated could increase the risk of a crash.

    The defect. Mercedes-Benz USA,LLC (Mercedes) is recalling certain 2019 C43 AMG, C43 AMG Cabrio, C43 AMG 4MATIC Coupe, C300 4MATIC, C300 4MATIC Coupe, C300 Coupe, C300 Cabrio, C300 4MATIC Cabrio, and C300 vehicles. After parking and exiting the vehicle, the Electronic…

    What can happen. Driving the vehicle with the ESP system deactivated could increase the risk of a crash.

    The free fix. Mercedes has notified owners, and dealers will update the ESP system software, free of charge. The recall began January 29, 2019. Owners may contact Mercedes customer service at 1-800-367-6372.…

    NHTSA campaign 18V-909 (2018-12-19).

  22. Dec 2018 · 2018 · Exterior LightingIf the low beam headlight is not properly adjusted, the driver may have reduced visibility, increasing the…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz C300 and C300 4MATIC vehicles. The headlights on these vehicles may not be properly adjusted. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety…

    What can happen. If the low beam headlight is not properly adjusted, the driver may have reduced visibility, increasing the risk of a crash.

    The free fix. MBUSA has notified owners, and dealers will inspect the setting of the headlights and adjust them, as necessary, free of charge. The recall began March 12, 2019. Owners may contact MBUSA customer…

    NHTSA campaign 18V-906 (2018-12-19).

  23. Dec 2018 · 2018 · SteeringIf the steering connection was not properly locked, the mechanical connection between the steering wheel and…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling one 2018 Mercedes-Benz E400 Coupe and one C300 4Matic Coupe. The steering coupling may not have been correctly locked during manufacturing.

    What can happen. If the steering connection was not properly locked, the mechanical connection between the steering wheel and steering rack may come loose, reducing steering ability and increasing the risk of a crash.

    The free fix. MBUSA will notify owners, and dealers will inspect the steering coupling and lock it correctly if necessary, free of charge. The recall began January 18, 2019. Owners may contact MBUSA customer…

    NHTSA campaign 18V-872 (2018-12-07).

  24. Nov 2018 · 2015–2019 · SteeringA car that cannot be properly steered has an increased risk of a crash.

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2015-2016 Mercedes Benz C300, 2017-2019 C300 Cabrio, C300 Coupe, C63 Cabrio, 2015 C63S AMG, 2018-2019 C300, C350e, C63 AMG, C63S AMG Cabrio, 2018 C63 AMG Cabrio, C63 AMG Coupe, C63S AMG, C63S AMG Coupe…

    What can happen. A car that cannot be properly steered has an increased risk of a crash.

    The free fix. MBUSA will notify owners, and dealers will replace the steering rack, free of charge. The recall began August 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for…

    NHTSA campaign 18V-850 (2018-11-29).

  25. Nov 2018 · 2019 · Seat BeltsIf the seat belt tensioning does not activate in the event of a crash, it can increase the risk of injury.

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 C300 4Matic Cabriolet, C43 AMG Cabriolet, C300 Cabriolet, C300 Coupe, C300 4Matic Coupe, C43 AMG Coupe, E450 Coupe, E53 AMG Cabriolet, S450, S560, E450 Cabriolet, E450 4Matic Cabriolet, E450 4Matic…

    What can happen. If the seat belt tensioning does not activate in the event of a crash, it can increase the risk of injury.

    The free fix. MBUSA will notify owners, and dealers will replace the seat belt buckles, free of charge. The recall began March 18, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number…

    NHTSA campaign 18V-839 (2018-11-27).

  26. Nov 2018 · 2018 · Air BagsIf the passenger air bag is incorrectly displayed as 'ON' when it is not, a front seat passenger may be…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 C300 Cabriolet, C300 Coupe, C300 4Matic Cabriolet, C300, C300 4Matic Coupe, C300 4Matic, C43 AMG Cabriolet, C43 AMG Coupe, C63 S AMG Cabriolet, C350e Plug-In Hybrid, C63 AMG Cabriolet, C63 AMG Coupe…

    What can happen. If the passenger air bag is incorrectly displayed as 'ON' when it is not, a front seat passenger may be unaware that the air bag will not deploy in the event of a crash, increasing their risk of…

    The free fix. MBUSA will notify owners, and dealers will update the audio head unit software, free of charge. The recall began January 3, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's…

    NHTSA campaign 18V-838 (2018-11-27).

  27. Oct 2018 · 2019 · Electrical SystemAn engine stall can increase the risk of a crash.

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 Mercedes-Benz C300, C300 4Matic, C300 4Matic Cabrio, C300 4Matic Coupe, C300 Coupe, C300 Cabrio, C43 AMG, C43 AMG Cabrio, C43 AMG Coupe, CLS450, CLS450 4Matic, CLS53 AMG 4Matic, E53 AMG 4Matic, E450…

    What can happen. An engine stall can increase the risk of a crash.

    The free fix. MBUSA will notify owners, and dealers will update the CPC control unit software, free of charge. The recall began April 12, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's…

    NHTSA campaign 18V-761 (2018-10-29).

  28. Oct 2018 · 2018 · Electrical SystemIf the battery is shorted, the emergency door unlocking would be deactivated for an outside responder and the…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz C300 4Matic Coupe, C300 4Matic Cabrio, E300, E300 4Matic, C300, C300 4Matic, C300 Coupe and C300 Cabrio vehicles. The cover for the starter battery may not cover the live positive…

    What can happen. If the battery is shorted, the emergency door unlocking would be deactivated for an outside responder and the short circuit could increase the risk of a fire.

    The free fix. MBUSA will notify owners, and dealers will replace the positive pole cover, free of charge. The recall began November 27, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's…

    NHTSA campaign 18V-725 (2018-10-15).

  29. Sep 2018 · 2018 · VisibilityIf the window detaches from the vehicle, it can become a road hazard, increasing the risk of a crash.

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 Mercedes-Benz C300, C300 4MATIC, C63 AMG, and C63S AMG vehicles. Incorrect bonding of the rear window may cause the window to loosen and detach from the vehicle.

    What can happen. If the window detaches from the vehicle, it can become a road hazard, increasing the risk of a crash.

    The free fix. MBUSA will notify owners, and dealers will rework the rear window bonding, free of charge. The recall is expected to begin November 2, 2018. Owners may contact MBUSA customer service at…

    NHTSA campaign 18V-608 (2018-09-11).

  30. Jul 2018 · 2017–2018 · StructureIf the beltline trim were to separate from the vehicle while driving, it could become a road hazard…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2018 Mercedes C300 Cabriolet, C300 4Matic Cabriolet, C43 AMG Cabriolet, C63S AMG Cabriolet, and C63 AMG Cabriolet vehicles. Due to a bonding issue introduced in the production process, the rear beltline…

    What can happen. If the beltline trim were to separate from the vehicle while driving, it could become a road hazard, increasing the risk of a crash.

    The free fix. MBUSA will notify owners, and dealers will inspect the rear beltline trim and replace the trim if necessary, free of charge. The recall began on September 21, 2018. Owners may contact MBUSA customer…

    NHTSA campaign 18V-456 (2018-07-10).

  31. Mar 2018 · 2017–2018 · SeatsIf the seatback does not properly lock, in the event of a crash, the seatbacks may fold forward, increasing…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2018 C43 AMG 4Matic Coupe, C300 Coupe, C300 4Matic Coupe, C300 4Matic Cabriolet, C300 Cabriolet, C43 AMG 4Matic Cabriolet and C63S AMG Cabriolet, 2017 C63 AMG Cabriolet, C63S AMG Coupe and C63 AMG…

    What can happen. If the seatback does not properly lock, in the event of a crash, the seatbacks may fold forward, increasing the risk of injury.

    The free fix. MBUSA will notify owners, and dealers will inspect the locking of the seatbacks, replacing the seatbacks lock, as necessary, free of charge. The recall is expected to begin May 25, 2018. Owners may…

    NHTSA campaign 18V-207 (2018-03-29).

  32. Oct 2017 · 2015–2018 · Air BagsIf the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG…

    What can happen. If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.

    The free fix. MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at…

    NHTSA campaign 17V-627 (2017-10-06).

  33. Apr 2017 · 2017 · Seat BeltsIf the front seat seatbelt pretensioners do not function properly, the seat occupants may not be adequately…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 C300, C300 4Matic, C300 Coupe, C300 Coupe 4Matic, C43 AMG, C43 AMG Coupe, C43 AMG Cabrio, C63 AMG, C63 AMG Coupe, C63S AMG, C63S AMG Coupe, C63S Cabrio, GLC300, GLC300 4Matic, GLC43 AMG, S550, S550…

    What can happen. If the front seat seatbelt pretensioners do not function properly, the seat occupants may not be adequately restrained in the event of a crash, increasing the risk of injury.

    The free fix. MBUSA will notify owners, and dealers will replace the front seat belts, free of charge. The recall began October 13, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

    NHTSA campaign 17V-251 (2017-04-11).

  34. Apr 2017 · 2016–2017 · SteeringA loss of electrical contact will cause the electric power steering assist to deactivate, increasing the risk…

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2016-2017 C300 vehicles. The electrical contacts for the power steering electric motor may not have been properly welded, possibly resulting in a loss of electrical contact.

    What can happen. A loss of electrical contact will cause the electric power steering assist to deactivate, increasing the risk of a crash.

    The free fix. MBUSA will notify owners, and dealers will replace the electric power steering rack, free of charge. The recall began June 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

    NHTSA campaign 17V-243 (2017-04-11).

  35. Mar 2017 · 2015–2016 · Electrical SystemIf the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 AMG GT-S, GLC300, CLA250 and GLE300d 4Matic vehicles, 2013 C250, E350 BlueTec and G63 AMG vehicles, 2008-2014 C300 vehicles, 2013-2014 C300 4Matic and ML350 4Matic vehicles, 2009 C350 vehicles, 2014…

    What can happen. If the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury in the event of a crash.

    The free fix. MBUSA will notify owners, and dealers will update software in the affected control units, free of charge. The recall began April 21, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

    NHTSA campaign 17V-177 (2017-03-14).

  36. Feb 2017 · 2015–2017 · Electrical SystemIf the starting current limiter overheats, the surrounding components can melt, increasing the risk of a fire.

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2017 C300 4Matic, C300, CLA250, CLA250 4Matic and CLA45 AMG vehicles, 2017 C300 4Matic Cabrio, C300 4Matic Coupe, C300 Cabrio, C300 Coupe, E300, E300 4Matic, E400 4Matic Wagon, E43 AMG 4Matic, GLA250…

    What can happen. If the starting current limiter overheats, the surrounding components can melt, increasing the risk of a fire.

    The free fix. MBUSA will notify owners, and dealers will install an additional fuse in the electrical line to the starter, free of charge. The recall began August 31, 2017. Owners may contact MBUSA customer…

    NHTSA campaign 17V-114 (2017-02-23).

  37. Aug 2016 · 2016 · Electronic Stability Control (esc)A damaged ESP control unit may inadvertently activate the stability control altering the vehicle's path.

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 GLC 300 SUV, GLC 300 4Matic SUV, C300 Sedan and C300 4Matic vehicles manufactured February 8, 2016, to May 18, 2016. The affected vehicles may be equipped with an Electronic Stability Program…

    What can happen. A damaged ESP control unit may inadvertently activate the stability control altering the vehicle's path. Additionally, the electronic parking brake may not function. Either condition may increase the…

    The free fix. MBUSA will notify owners, and dealers will replace the ESP Hydraulic control units, free of charge. The recall is expected to begin in October 2016. Owners may contact MBUSA customer service at…

    NHTSA campaign 16V-603 (2016-08-16).

  38. Jun 2016 · 2016 · SteeringIf the vehicle experiences a loss of power steering assist, extra steering effort will be required at lower…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 C300 4Matic vehicles manufactured November 4, 2015, to March 1, 2016. In the affected vehicles, the electric power steering assist system may shutdown due to a software error.

    What can happen. If the vehicle experiences a loss of power steering assist, extra steering effort will be required at lower speeds, increasing the risk of a vehicle crash.

    The free fix. MBUSA will notify owners, and dealers will update the software for the electric power steering control unit, free of charge. The recall began January 2017. Owners may contact MBUSA customer service…

    NHTSA campaign 16V-438 (2016-06-15).

  39. Feb 2016 · 2016 · VisibilityIf the panoramic glass detaches during vehicle operation, it can increase the risk of injury or crash.

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 C300 vehicles manufactured December 11, 2015, to December 23, 2015, C300 4Matic vehicles manufactured December 12, 2015, to December 29, 2015, and C450 AMG 4Matic vehicles manufactured…

    What can happen. If the panoramic glass detaches during vehicle operation, it can increase the risk of injury or crash.

    The free fix. MBUSA will notify owners, and dealers will inspect the bonding of the rear sunroof glass panel, replacing it as necessary, free of charge. The recall began on April 12, 2016. Owners may contact MBUSA…

    NHTSA campaign 16V-087 (2016-02-16).

  40. Dec 2015 · 2015 · SteeringIf the vehicle experiences a loss of power steering assist, extra steering effort will be required…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2015 C300 and C400 4matic sedans manufactured January 27, 2014, to December 1, 2014. Due to an error in the electric power steering control unit software, the affected vehicles may have a loss of…

    What can happen. If the vehicle experiences a loss of power steering assist, extra steering effort will be required, especially at lower speeds, increasing the risk of a vehicle crash.

    The free fix. MBUSA will notify owners, and dealers will update the power steering software, free of charge. The recall began in January 15, 2016. Owners may contact MBUSA customer service at 1-800-367-6372.

    NHTSA campaign 15V-845 (2015-12-16).

  41. Mar 2015 · 2015 · Fuel System, GasolineIf the locking plate is not properly secured to the fuel delivery module it may become loose, and leak fuel…

    The defect. Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 C300 4matic and C400 4matic vehicles manufactured April 7, 2014, to July 25, 2014. In the affected vehicles, the fuel delivery module may be improperly secured to the fuel tank. Secondly…

    What can happen. If the locking plate is not properly secured to the fuel delivery module it may become loose, and leak fuel, increasing the risk of a fire. If the electrical wires are pinched, the fuel pump may stop…

    The free fix. MBUSA will notify owners, and dealers will inspect the vehicles for improperly secured locking plates and pinched wires, correcting the vehicles as necessary, free of charge. The recal began on April…

    NHTSA campaign 15V-138 (2015-03-10).

  42. Feb 2015 · 2015 · Exterior LightingIf the original horizontal adjustment is used to alter the low beam aim, the misaimed headlamp may not…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2015 C300 and C400 vehicles manufactured from June 18, 2014, through September 5, 2014, that fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps…

    What can happen. If the original horizontal adjustment is used to alter the low beam aim, the misaimed headlamp may not properly illuminated the road or cause increased glare to oncoming drivers, which increases the…

    The free fix. Mercedes-Benz will notify owners, and dealers will replace the horizontal adjustment mechanisms on the headlamps with sealing caps on the affected vehicles. The recall began May 23, 2016. Owners may…

    NHTSA campaign 15V-087 (2015-02-11).

  43. Sep 2014 · 2015 · SteeringIf the sliding shaft becomes disengaged from the steering coupling socket, the driver may experience noises…

    The defect. Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2015 C300 4Matic and C400 4Matic vehicles manufactured March 28, 2014, to September 18, 2014. If the steering coupling interlock mechanism is not locked in place, the sliding shaft, which is part…

    What can happen. If the sliding shaft becomes disengaged from the steering coupling socket, the driver may experience noises, steering backlash, and in a worst case, loss of steering control, which may increase the…

    The free fix. MBUSA has notified owners, and dealers will inspect the steering coupling interlock mechanism to verify that it is in the locked position, free of charge. The recall began on October 1, 2014. Owners…

    NHTSA campaign 14V-598 (2014-09-26).

Crashes, fires and injuries owners reported

What owners reported alongside the failure itself, out of 1,173 complaints against this generation:

Crashes
39 (3.3%)
Fires
9
Injury reports
32
Fatality reports
0

These flags are self-reported by complainants and unverified by NHTSA; one report can carry several flags, so the counts overlap and do not sum to a total. They are not adjusted for how many of these vehicles are on the road. No chart is drawn here on purpose: overlapping counts spanning very different magnitudes cannot be honestly encoded as lengths.

C-Class problems by model year

The 2015 drew the most complaints of this generation, 428, most of them about the engine, and the 2020 the fewest among the 6 years with at least 20 complaints, 33. A typical year drew about 168.

That makes the 2015 stand out at roughly 2.6 times a typical year. A count like this follows how many cars of each year were sold and how long they have been on the road as much as how often they failed, so it is not by itself evidence of a worse year; what each year's reports name, in its card and row, is the useful part.

Complaints by model year
YearComplaintsWith mileageMedian milesMost reportedRecalls
201542817048,000†Engine (131)11
20162927140,000†Engine (95)13
20172216026,000†Engine (80)15
201811424under 30 reportsEngine (38)18
20197024under 30 reportsEngine (17)17
20203311under 30 reportsEngine (8)9
2021153under 30 reportsEngine (8)7

† At least 40% of this year’s complaints were filed after 2020, and most complaints filed since then carry no odometer reading. Its median rests on the earlier reports and likely understates the mileage these failures happen at.

What C-Class owners reported

The contact owns a 2015 Mercedes-Benz C300. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the vehicle and the vehicle became difficult to maneuver. The failure had occurred on several occasions. The vehicle was taken to an independent mechanic where it was…

2015 · 120,000 miles · Body structure

The contact owns a 2015 Mercedes-Benz C300. While the contact’s son was driving approximately 20 MPH, the vehicle veered to the left and into the next lane when the brake pedal was depressed. The vehicle was cautiously driven back to the residence and parked. The vehicle was later towed to the local dealer to be…

2015 · 110,000 miles · Body structure

The contact owns a 2018 Mercedes-Benz C-300. The contact stated that while driving 70 MPH South on the interstate towards Miami, the front panel detached without warning. The contact pulled over to inspect the vehicle and became aware that the panel between the windshield and sunroof had detached. The contact stated…

2018 · 83,000 miles · Body structure

The contact owns a 2021 Mercedes-Benz C 300. The contact stated that while depressing the accelerator pedal, there was a loud knocking sound coming from the engine compartment while accelerating. There were no warning lights illuminated. The vehicle was taken to the dealer to be diagnosed, and it was determined that…

2021 · 88,000 miles · Engine

Built from 363 NHTSA complaints with mileage · snapshot 2026-09-26 · open data · how it is built

Other C-Class generations

Other compact luxury cars from the same years