Mercedes-Benz C-Class Complaints (2016)

323 consumer complaints on file.

#11489676October 17, 2022
SERVICE BRAKES, UNKNOWN OR OTHER
Crankcase ventillation valve assembly needs replacement
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11489056October 12, 2022
ENGINE
Check engine light code P052E
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11488550October 9, 2022
ENGINE, POWER TRAIN
my engine failed at 82k odometer miles . replaced it with a new engine for $10065 . and they said it was fixed and working normal , 2nd engine failed at 111000 miles . and has warranty. they refuse to fix it for a 3rd time ...... this is a common problem with m274 engines. please help us m274 engine owners.... its a very widespread known problem...
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11488476October 8, 2022
UNKNOWN OR OTHER
I took my 2016 Benz through a car wash and realized the glass in front of my sunroof that is part of windshield is loose . I can hear wind coming through when I drive . This is driving hazard .
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11487621October 3, 2022
UNKNOWN OR OTHER
I bought my 2016 merecedes benz c300 4 matic with the engine light on .when I did a diagnostic on it came back to a po52e is bad . It had 73000 on it when I bought . Now I sit at 77000 miles with the bad part .
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11485968September 23, 2022
UNKNOWN OR OTHER
Crank case ventilation system malfunction
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11485163September 19, 2022
ENGINE
Crank case to be replaced.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11484382September 14, 2022
SERVICE BRAKES
I have a 2016 C300 that was diagnosed with a severe brake booster issue. Last week, I had to brake hard while traveling 65 mph on a highway and they failed; luckily I was able to avoid catastrophe by maneuvering around the obstacle. I researched to see if this was a known issue and learned that some Mercedes models between 2008-2012 had recalls due to brake booster corrosion issues, but Mercedes might have a worse issue than just a few models prior to 2012, based on my experience!
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11484045September 12, 2022
ENGINE
At approximately 65K miles, my PCV valve is bad and needs to be replaced at a cost of $1600. I saw lots of customer complaints for the same issue online, I think Mercedes should cover this item under recall.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11481384August 26, 2022
VISIBILITY:SUN/MOON ROOF ASSEMBLY
The contact owns a 2016 Mercedes-Benz C300. The contact stated that upon purchasing the vehicle, the driver's side sunroof corner was slightly raised. The contact stated while driving at 40 MPH, she heard the panoramic sunroof glass sliding back and forth. The contact stated that she held the sunroof glass while driving. The contact stated that the failure had been reoccurring. Additionally, the contact stated while attempting to open the sunroof, it slightly opened and the force itself closed. The dealer was not notified of the failure. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline. The failure mileage was approximately 73,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11479600August 16, 2022
UNKNOWN OR OTHER
The check engine light came on. I pulled the code and it was P052E, and requires the replacement of the crankcase ventilation system. I am told that this happens on virtually all C300s and (and maybe the GLC300 also). I think this should be recalled.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11478130August 8, 2022
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
The contact owns a 2016 Mercedes-Benz C300. The contact stated while driving 45-60 MPH, the vehicle began to stall. The contact depressed the accelerator pedal several times but the vehicle failed to respond. The vehicle stalled. The contact was able to veer to the side of the road. The contact was able to restart the vehicle. The check engine warning light and several unknown warning lights were illuminated. The vehicle was towed to the contact’s residence. The vehicle was then towed to the local dealer where it was diagnosed that the fuel pump and fuel tank needed to be replaced. The vehicle was being repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 61,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11475899July 26, 2022
UNKNOWN OR OTHER
CEL light- with code P052e positive crankcase ventilation regularly valve. Vehicle only has 62,000 miles
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11475641July 25, 2022
ENGINE, UNKNOWN OR OTHER
Check engine light came in so I took it to a local auto shop. They ran the diagnostics and the code that appeared was P052E(Positive Crankcase Ventilation Regulation Valve Performance).
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11475320July 22, 2022
ELECTRICAL SYSTEM, FUEL/PROPULSION SYSTEM, UNKNOWN OR OTHER
I was moving my car from one parking space to another space in front of my house. As I was pulling into the new space, I stopped to check the position of my car. As I lifted my foot off the brake, the car unexpectedly started to lurch forward. When I released the brake pedal, the car suddenly accelerated and proceeded to jump the curb and run into the front of my house. Luckily, no one was injured. There was some damage to the exterior of my house. I have reported this issue to the car manufacturer, Mercedes Benz. In response, they have opened a case to research it further.
Crash:
Yes
Fire:
No
Injuries:
0
Deaths:
0
#11474469July 18, 2022
ENGINE
PCV valve causing check engine light to come on. 50,000 miles on vehicle.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11473638July 13, 2022
ENGINE
Engine light was up at around 48700mile, diagnosis reading stated "PCV Regulator Valve Performance"
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11473680July 13, 2022
SERVICE BRAKES
The contact owns a 2016 Mercedes-Benz C300. The contact stated while crossing a pay toll, she was depressing the brake pedal to the floorboard but the vehicle failed to decelerate and rear-ended into a truck. The contact stated no warning light was illuminated. The contact stated no one was injured nor sought medical attention. The contact stated there was no need to call and report the incident, no police report was filed. The contact stated she continued driving to her destination. The contact stated when she stepped out of the vehicle, she noticed the bumper, the grill, and the Mercedes-Benz logo and bracket were fractured. The contact took the vehicle to a local dealer, where it was diagnosed with needing the brake pads, the rotors, the bumper, the Mercedes-Benz logo, and the bracket to be replaced. The vehicle was repaired. The contact asked the dealer what was the cause of the failure but the dealer did not have a diagnosis for the failure. The manufacturer had not been informed of the failure. The failure mileage was approximately 49,900.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11473539July 12, 2022
POWER TRAIN, ELECTRICAL SYSTEM, ENGINE
This is a plug-in hybrid car and twice in the last two weeks, the car while in motion on the road, has randomly turned off the engine and lost power. The gas pedal is unresponsive and all the alarms on screen flash and I have to coast to a stop. Most recently it was on a busy road and I barely missed being rear-ended. This is an unsafe situation and has happened twice and the only thing which I can do is come to complete stop, turn off the car and restart it and the problem goes away.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11473566July 12, 2022
UNKNOWN OR OTHER
Check Engine light came on. Upon running the scan from three different reputed repair shops, they show same P052e Positive Crankcase ventilation valve replace message. It first came two months back, reset the code but it still came up.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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