Mercedes-Benz C-Class Complaints (2015)

452 consumer complaints on file.

#11479497August 16, 2022
FUEL/PROPULSION SYSTEM
Strong odor of fuel in the cabin when entering the cabin and stronger when vehicle is first started
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11479093August 13, 2022
UNKNOWN OR OTHER, FORWARD COLLISION AVOIDANCE: WARNINGS, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
I took my vehicle to the dealership to have recall worked on (top sunroof panel) apparently they refused to work on it because my sunroof is not working. I received a letter after i financed the vehicle stating that there was a recall so to take it in to the dealership and if sunroof needed to be fixed it would. Long story short, back in July the panel detached from my vehicle while i was on the freeway. Thankfully I didn’t cause an accident but I would like some help so the dealership can fix the recall.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11478583August 10, 2022
ENGINE AND ENGINE COOLING, FORWARD COLLISION AVOIDANCE
The contact owns a 2015 Mercedes-Benz C250. The contact stated that the vehicle would suddenly stall while driving at various speeds. The contact would have to place the vehicle in park, turn the vehicle off then on again to regain proper function. The vehicle's collision prevention assist plus inoperative warning was illuminated. The contact stated that there were other unknown warning lights illuminated. The contact called the dealer who confirmed the VIN was not included in a recall. The vehicle had not been repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 75,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11477283August 3, 2022
UNKNOWN OR OTHER
Crankcase ventilation (PCV system), on C300 and GLC 300 is a know issue with this model care fro 2015 to 2021, yet Mercedes Benz manufacture the cars the same way with addressing in order to over charge customers and claim it’s a wear and tear part
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11476885August 1, 2022
STEERING
The contact owns a 2015 Mercedes-Benz C300. The contact stated while driving 60 MPH, the power steering malfunction message appeared on the instrument panel. As the contact attempted to exit the highway, excessive force was needed to steer the vehicle. The manufacturer was notified of the failure and the contact was informed that the vehicle was not included in NHTSA Campaign Number: 15V845000 (Steering). The vehicle had yet to be repaired. The failure mileage was approximately 130,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11476508July 29, 2022
POWER TRAIN, FORWARD COLLISION AVOIDANCE: WARNINGS
Reported to local dealer and corporate office about the issues with shift module not shifting at random, meaning that the vehicle won't shift from park to drive or reverse, and so forth. The local dealer tried to reprogram the software, but the problem still persists. When plugging in my OBD II & DTC readers, code U0103 appairs which translates to "Lost communication with gear shift control module". My concern with this is that I've had this issue while in traffic, which would make my vehicle a hazard. When it comes to the collision prevention system, the system randomly turns on and off, meaning that when it's needed it might turn on, but when it's not needed it randomly turns on. Once again, addressed this with a local dealer and Mercedes Benz corporate with no avail. My concerns here is that the vehicle could prematurely brake causing an accident or not brake at all causing an accident.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11476351July 28, 2022
FUEL/PROPULSION SYSTEM
Check engine lite with code P052E that is "Positive Crank Case Ventilation Regulation Valve Performance" at around 65K miles. This might pose danger with engine failure. the problem has been confirmed by an independent service center. Dealer said that this problem is common to the year and model of my car and that the manufacturer has replaced this piece in newer models. Since the manufacturer already know this issue and replaced the piece with a better one for newer model. I believe this part should be recalled and replaced by the manufacturer. it is crazy amount of money for the consumer to fix this.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11475712July 25, 2022
AIR BAGS:FRONTAL:DRIVER CLOCKSPRING/SPIRAL CASSETTE, POWER TRAIN
The contact owns a 2015 Mercedes-Benz C300. The contact stated that while driving at various speeds, the vehicle would intermittently fail to accelerate upon the depression of the accelerator pedal. The contact took the vehicle to an independent mechanic where she was informed that the turbo booster was defective. The contact then took the vehicle to another independent mechanic where the oil circulation and turbo booster were replaced. After the repair, the air bag warning light was illuminated. The vehicle was taken back to the independent mechanic where the vehicle was diagnosed with a defective clockspring. The dealer was notified of the failure and informed her that there were no recalls on the vehicle. The manufacturer was notified of the failure and referred her to the NHTSA. The vehicle had yet to be repaired. The failure mileage was unknown. The VIN was not available.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11475572July 24, 2022
UNKNOWN OR OTHER
This is in regard to my 2015 Mercedes Benz C300 4 matic. I was driving at the normal speed of approximately 65mph on the highway. When out of nowhere, I heard a very loud wind noise. I was terrified since I was alone and was not sure why or what happened. I pulled over and noticed the front panel of my Sunroof glass was missing. I was very disappointed as I have always believed that MB has had a strong reputation for their cars. I circled back around and was able to find the part on the side of the highway, but it was broken. I have had heavy-duty tape covering the space so water cannot get in. I contacted my local MB repair shop and told me the part would be $1100 and labor would be additional.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11473344July 11, 2022
ENGINE, FUEL/PROPULSION SYSTEM, UNKNOWN OR OTHER
PCV valve
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11472681July 7, 2022
ENGINE
check engine light p052e71 the valve for the crankcase ventilation has malfunctioned, and the actuator is blocked. Replaced the crankcase vent valve assembly 59k mileage when this issue occurred.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11465364May 20, 2022
AIR BAGS
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.
Crash:
Yes
Fire:
No
Injuries:
0
Deaths:
0
#11465331May 19, 2022
ENGINE
Check engine light came on and gave code P052E PCV Regulator Valve Performance
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11464848May 16, 2022
ENGINE
Cracked cylinder #1. Causes rough idle, loss of power and lots of white smoke out the tail pipe. This is dangerous for anyone behind the car trying to see through the smoke then loosing power and other vehicles almost hitting me. Mercedes know they are defective but because of the large cost associated with repairing them they will not fix.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11464700May 15, 2022
STRUCTURE:BODY
Problem with Panoramic Moonroof. One side will not close. Mercedes is aware of the issue. Price to fix is $2,500. Roof will not close or seal.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11462360April 26, 2022
FUEL/PROPULSION SYSTEM
2015 C 300 Mercedes Benz Crankcase ventilation/ oil separator is bad. Vehicle has only 50,000 miles. Please help, Mercedes should have this on recall, a lot of people has this same issue. Thanks
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11461257April 19, 2022
ELECTRICAL SYSTEM
The dealership garage isla verde in carolina, refuse to service my car. They are the only Mercedes-Benz dealer in Puerto Rico and there is no other dealer that can service the recalls of my car. Currently they don’t want to fix the recall NTHSA# #21V197 Bonding of Panoramic Sunroof Panel - Wave 2 MY. Their service is poor and negligent. They make an appoinment to then cancel it and deny receiving me or my car on the only authorized dealer to fix the recall and denying any services to my car. They refuses my entrance.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11460977April 15, 2022
ENGINE
Cylinder #1 losing compression. Onset acute after exiting freeway. Car lost power. Engine warning light turned on. Independent repair shop advised compression problem in Cylinder #1. Dealer then inspected and advised there was compression loss in Cylinder #1. Dealer recommended engine replacement (not repair). The car only has around 46,000 miles and is a 2015 model.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11460195April 8, 2022
UNKNOWN OR OTHER, ENGINE
The crankcase ventilation valve has gone out on my car. This is a continual problem with these vehicles at low mileage. Mercedes Benz should recall the part for repair as they stated it could damage the engine.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11458658March 28, 2022
FUEL/PROPULSION SYSTEM
ONLY HAVE 35,000 MILES AND RECEIVED POSITIVE CRANK CASE VALVE
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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