Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.
vehicle
2015 / mercedes-benz / c-class
known issues
7 clusters (reviewed 2026-08-14)
complaints
444 on file (2014-12-15 → 2026-09-02)
recalls
0
investigations
0
fars
37 occupant deaths, crash years 2010-2024 (legacy-code)
Front roof panel separation while drivingSTRUCTURE15 complaints2022-12 → 2026-07c-class-2015-front-roof-panel-separation
11607566 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
11537283 The contact stated that when she reached her destination, she noticed there was a panel missing from the roof between the sunroof and the windshield
11733048 The contact inspected the exterior of the vehicle and became aware that the moon roof panel had detached, and the moon roof panel flew off the vehicle
11538997 The vehicle was towed to an independent mechanic, where the diagnostic test retrieved code: P052E, and it was determined that the positive crankcase ventilation (PCV) valve had failed and needed to be replaced
11559315 My car is registering code P052E71. The diagnosis says the valve for crankcase ventilation has a malfunction. The actuator is blocked
11507757 When driving I accelerated and then the engine light turned on. after that the car was jolty and turned off completely when stopped. had to force a restart at the light. code that came back was p052E
Rear subframe corrosion and perforationSUSPENSION50 complaints2022-11 → 2026-08c-class-2015-rear-subframe-corrosion
11696650 Rear subframe completely rusted out. While driving on the hwy I heard a loud noise, a couple minutes later I hit the brakes to slow down to get off my exit and after pressing the brakes the car instantly fishtailed sending me sideways across 2 lanes of traffic
11738382 The car would seem to shift when stopping , when tires were removed the rear subframe had rusted out completely, this is a major safety issue and could cause loss of control of the vehicle
11708959 Upon inspection at our local Mercedes Dealership on December 1, 2025, we were informed that the rear subframe should be immediately replaced as there is a rusted hole in the subframe, "compromising the structural integrity of the rear of the vehicle."
Panoramic sunroof glass and guide rail failureVISIBILITY21 complaints2022-12 → 2026-07c-class-2015-panoramic-sunroof-failure
11499161 Glass panoramic sun roof lifted off the vehicle at highway speed, I had to grab the front edge of roof,pull off the expressway. Tried to re seat it in the channels but could not close the roof
11665351 Panoramic glass sliding plastic brackets broke off while driving at 25-35 mph Lifting up the glass off the vehicle. Quick reaction saved the large detached glass from flying off into the roadway injuring or killing someone
11598380 Opened sunroof and sunroof would not closed. Discovered melted slides inside to sunroof tracks
Fuel line leak with gasoline odor in cabinFUEL/PROPULSION SYSTEM12 complaints2023-01 → 2026-03c-class-2015-fuel-line-leak-odor
11712012 Strong gas odor coming from vent when heat and AC is on. Odor was causing dizziness and had to drive with window open or vent off. When opening the hood gas odor was also present. Brought to the mechanic and found fuel lines leaking
11720037 After strong fuel odor in interior of car, inspected the engine and discovered fuel in the top of the engine this is a serious safety concern due possible car fire
11638347 Due to the type of fuel line and clamps used to fasten them, cold weather has caused them to shrink such that gas leaks, which comes through the car vents into the car cab
Cracked piston and wrist pin engine failureENGINE9 complaints2023-01 → 2025-01c-class-2015-piston-wrist-pin-failure
11501468 Vehicle experienced loss of power and rough running when check engine light came on. Mercedes dealer reported one of the pistons cracked resulting in catastrophic engine failure with just shy of 61,880 miles on it
11509590 MB tech said the cylinder #1 is out of spec., and there is scoring on cylinder wall caused by the piston being off center and riding the cylinder wall
11513842 The problem is actually a manufacturing defect in the wrist pins. The defective parts are in engines made before April 20, 2015 which is mine. If left unrepaired, it causes premature wear in the cylinder walls
Loss of power steering assistSTEERING7 complaints2023-04 → 2026-05c-class-2015-power-steering-loss
11519273 The contact stated while driving 65 MPH, the power steering assist warning light illuminated, and the steering wheel became firm. The contact was able to pull over safely on the side of the road
11554301 The contact stated that after starting the vehicle, there was an abnormal grinding sound coming from the vehicle. The contact stated that the steering wheel had seized
11678756 The contact stated while driving 40 MPH, the vehicle unexpectedly veered to the left. There was no warning light illuminated. The contact stated that the steering wheel became inoperable, and the contact was unable to straighten the steering wheel
FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.
Cite this
Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.
Wrench.Pro (2026). 2015 Mercedes-Benz C-Class vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2015/mercedes-benz/c-class
@misc{wrenchpro_2015_mercedes_benz_c_class_2026,
author = {Wrench.Pro},
title = {Wrench.Pro vehicle data: 2015 Mercedes-Benz C-Class},
year = {2026},
howpublished = {\url{https://www.wrench.pro/data/vehicles/2015/mercedes-benz/c-class}},
note = {Derived from NHTSA public records. CC BY 4.0.}
}
