Home · 2015 Mercedes-benz C-class Phev · Complaints

What 433 owners told NHTSA about the 2015 Mercedes-benz C-class Phev

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (433)Crash / fire / injury (13)Engine (134)Fuel system (75)Body & structure (72)Electrical system (54)Steering (28)Suspension (28)Airbags (26)Transmission & drivetrain (23)Visibility & wipers (17)Brakes (10)

6 of 433 complaints match · Airbags · crash/fire/injury only · clear filters

May 20, 2022AirbagsCrash

Air bags did not deploy on car accident and also traction control was not working, steering wheel will go to the side when driving under 40 MPH which is dangerous and car will slide when driving on puddle of water whenever it rained.

NHTSA ODI 11465364

Oct 8, 2021AirbagsCrash1 injury

The contact owns a 2015 Mercedes Benz C250. The contact had initially received a recall notice for NHTSA Campaign Number: 19V010000 (AIRBAGS). The contact took the vehicle to the local dealer and had the recall serviced. The contact stated that while driving at 35 MPH, another vehicle made a left turn and hit his vehicle in the middle of an intersection. The contact stated that the air bags did not deploy upon impact. The authorities were called to the scene and a police report was filed. No medical attention was rendered at the scene of the accident. The vehicle was towed to an independent mechanic where it remained in their possession. The contact sought medical attention later that day at a local hospital where he was treated for a strain to his left neck and left leg. The dealer nor the manufacturer had yet to be notified of the failure. The vehicle had yet to be repaired. The failure mileage was approximately 60,000.

NHTSA ODI 11436009

Sep 9, 2020SteeringAirbagsBrakesCrash2 injuries

WHILE DRIVING MY 2015 C250 COUPE, I HAD TO BRAKE HARD AS I WAS TRYING TO AVERT STOPPED HEAVY TRAFFIC. WHEN I SLAMMED ON THE BREAKS, THE STEERING WHEEL, COLUMN AND ENTIRE VEHICLE LOCKED UP. I WAS UNABLE TO TURN THE WHEEL ENTIRELY. AS A RESULT, MY VEHICLE SLIDE INTO ANOTHER VEHICLE FROM BEHIND. BECAUSE BOTH THE STEERING AND BRAKES LOCKING, I WAS UNABLE TO MANEUVER THE VEHICLE TO AVOID THE STOPPED TRAFFIC. THE AIRBAGS ALSO DID NOT DEPLOY AS THEY SHOULD HAVE.

NHTSA ODI 11353979

Jul 26, 2019AirbagsCrash1 injury

TL* THE CONTACT OWNS A 2015 MERCEDES-BENZ C-300. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 30 MPH. A POLICE OFFICER HAD PULLED OVER ANOTHER VEHICLE AHEAD ON THE RIGHT SIDE OF THE ROAD. THE VEHICLE IN FRONT MADE A COMPLETE STOP. AS A RESULT, IN TRANSITIONING THE FAR LEFT LANE THE CONTACT REAR ENDED THE VEHICLE IN AN ATTEMPT TO AVOID THE POLICE OFFICER AS HE WAS GOING DOWN TO COMPLETE AN INSPECTION ON THE UNDERBELLY OF THE DUMP TRUCK. THE CONTACT MENTIONED THAT NONE OF HER SAFETY SENSORS (SIDE OR FRONT RESPONDED) INDICATING THAT SHE WAS NEAR A VEHICLE ILLUMINATED. THE STEERING WHEEL AIRBAG DEPLOYED UPON IMPACT. THE KNEE AIR BAG DEPLOYED AFTER THE IMPACT OF THE CRASH. AS THE KNEE AIR BAG WAS DEPLOYING WITH FORCE CAUSED THE CONTACTS RIGHT FOOT TO GET STUCK AND BONES TO CRACK RESULTING IN VARIOUS BREAKS IN HER RIGHT FOOT. THE ELECTRICAL SYSTEM SHUT DOWN AND THE CONTACT WAS UNABLE TO START OR ADJUST HER SEAT IN ORDER TO RELEASE HER FOOT FROM THE KNEE AIR BAG AS PRESSURE WAS BUILDING UP IN THE BAG . THE VEHICLE WAS TOWED TO AN IMPOUND LOT. A POLICE REPORT WAS FILED. THE CONTACT WAS TRANSPORTED TO THE HOSPITAL VIA AMBULANCE WHERE SHE WAS TREATED FOR HER FRACTURED RIGHT FOOT. IT WAS UNKNOWN IF THE DEALER OR THE MANUFACTURER WERE CONTACTED. THE FAILURE MILEAGE WAS 100,000.*TT *JB

NHTSA ODI 11235130

Nov 4, 2017AirbagsCrash4 injuries

I WAS MAKING A LEFT AT A STOP SIGN WHEN A DODGE DURANGO HIT ME HEAD ON AND FELL

NHTSA ODI 11043336

Oct 29, 2015AirbagsCrash

TL* THE CONTACT OWNS A 2015 MERCEDES BENZ C300. THE CONTACT STATED THAT THE VEHICLE WAS REAR ENDED BY ANOTHER VEHICLE AND THE AIR BAGS PARTIALLY DEPLOYED WITH AN UNKNOWN ERROR MESSAGE. THERE WERE NO INJURIES SUSTAINED. A POLICE REPORT WAS FILED. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS AWAITING A DIAGNOSIS AND REPAIRS. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 4,500.

NHTSA ODI 10787105

Working with the data? Download all 433 complaints as CSV · fetched from NHTSA July 20, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 Mercedes-benz C-class Phev verdict →