NHTSA Data Explorer
Mercedes-Benz C400
Data refreshed May 30, 2026
Select a model year to filter results to that year of the Mercedes-Benz C400.
Complaints
202
Active records
Recalls
14
Active records
TSBs
130
Active records
Filing history
Monthly totals over the last 20 years. Click a legend item to show or hide that series.
Reported severity
Based on consumer complaints filed since 2000. Recalls and TSBs do not include severity data.
Deaths
1
Injuries
12
Crashes
9
Fires
14
Top reported issues — Mercedes-Benz C400
Click a category to expand its values.
Condition issue
Operating state
Engine behavior
Thermal issue
Electrical issue
Performance issue
Reporting mechanism
Noise
Fluid issue
Safety restraint issue
Braking behavior
Starting behavior
Driver assistance issue
Lighting behavior
Vibration/harshness
Access/entry issue
Powering on/off behavior
Ride/handling behavior
Safety restraint behavior
Transmission/drivetrain behavior
HVAC behavior
Recent change
Steering behavior
Infotainment behavior
Wiper/washer behavior
Smell
Recent filings
The 10 most recent filings for each type.
2012 MERCEDES BENZ C-CLASS
Filed Nov 3, 2025
The taillights in my 2012 c300 was starting to go out intermittently. At first the notification came on for the brake light but the brake light kept working. Afterwards the rest of the taillights and the sidemarker light went out as well. I went to go take a look and the grounding wire was oxidated and corroded. A known issue in which there was a recall made for the 2008-2011 version of the w204 but this did not apply to the 2012 w204. As of last week my entire rear drivers side light is out…
2015 MERCEDES-BENZ C400
Filed Aug 8, 2025
The contact owns a 2015 Mercedes Benz C400. The contact stated that while vehicle was inside a high-pressure car wash, water leaked from the roof panel at the front of the vehicle, nearby the front windshield. The cause of the failure was not yet determined, and the vehicle was not repaired. The manufacturer was notified of the failure, but no assistance was offered. The contact was informed that the VIN was not included in the NHTSA Campaign Number: 23V854000 (STRUCTURE). The contact stated…
2015 MERCEDES-BENZ C400
Filed Feb 10, 2025
Rear subframe cracked while driving and rear of car sways from one lane to the next when brakes are applied. Car is not safe
2015 MERCEDES-BENZ C400
Filed Nov 1, 2024
The contact owns a 2015 Mercedes-Benz C400. The contact stated that while the vehicle was being serviced, the contact was informed by the dealer that the rear subframe needed to be replaced. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 112,000.
2015 MERCEDES-BENZ C400
Filed Aug 9, 2024
The contact owns a 2015 Mercedes-Benz C400. The contact stated while driving 55-60 MPH, the front roof panel separated and flew off. The contact drove back and was able to pick the front roof panel off the road. The vehicle was taken to the dealer, where it was determined that the front roof panel needed to be replaced. Additionally, the dealer informed the contact that the recall repair of NHTSA Campaign Number: 21V197000(Structure) was previously performed on the vehicle, and the additional…
2015 MERCEDES-BENZ C400
Filed Jun 23, 2024
My boyfriend and I were driving my 2015 MB C400 down the road in November 2020 and it was a beautiful day out so we decided we would open the sunroof to get some fresh air. I was driving so my boyfriend pressed the button for the sunroof to open. As the sunroof was opening, there was a cracking and popping sound coming from above us. We immediately pulled over at a gas station to see what was happening. Upon getting out of the car and looking closer at the sunroof, we noticed many cheap plastic…
2015 MERCEDES-BENZ C400
Filed Feb 7, 2024
My car failed PA State inspection due to a hole and rusted rear subframe. I have determined that there is a recall associated with this issue but that my vehicle just missed the recall limit. The recall affected 2008-2015 models (C Class with chassis 204). My vehicle is a 2015 C Class with chassis 205. It is evident that my vehicle has the same structural/construction defects as the previous years and should have been included in this recall. I have provided photographic evidence…
2015 MERCEDES-BENZ C400
Filed Sep 4, 2021
Panoramic glaaa sunroof mounting bracket made of cheap thin plastic that it breaks easily allowing the panoramic glass roof to fly off the car if driven while open.
2015 MERCEDES-BENZ C400
Filed Sep 5, 2017
ENGINE RANDOMLY STALLS AFTER SITTING AT RED LIGHT/OR WHILE IN TRAFFIC. ALL WARNING/DASHBOARD LIGHTS COME ON AND YOU CAN ONLY START THE CAR BY PUTTING IT IN PARK, THEN PUSHING START. THE CAR HAS LESS THAN 10K MILES. DEALERSHIP CAN'T FIND CODE OR REPLICATE THE ISSUE. INTERNET SEARCHES INDICATE IT IS AN ISSUE AND OTHER MAKES AND MODELS HAVE BEEN RECALLED, BUT WITHOUT A CODE THE DEALERSHIP DOESN'T KNOW WHAT TO DO. I WAS NEARLY REAR-ENDED BECAUSE IT DOESN'T HAPPEN UNTIL YOU TAKE YOUR FOOT OFF THE…
2015 MERCEDES-BENZ C400
Filed Jan 13, 2016
WHILE DRIVING THE VEHICLE ON THE HIGHWAY AT 70 MPH, THE CRUISE CONTROL SHUT OFF AND THE CAR BEGAN TO SLOW DOWN. I WAS ABLE TO MAINTAIN CONTROL AND NOTICED 3 ERROR MESSAGES INCLUDING: ESC INOPERABLE, CRUISE CONTROL INOPERABLE, AND COLLISION PREVENTION PLUS INOPERABLE. I WAS ABLE TO CONTINUE DRIVING AND WHEN I WENT TO ACCELERATE FROM A STOP LIGHT, THE ACCELERATOR WAS UNRESPONSIVE AND TOOK SEVERAL SECONDS FOR THE VEHICLE TO MOVE ALMOST CAUSING AN ACCIDENT FROM A CAR TRAVELING CLOSE BEHIND ME. …