Mercedes-Benz C-Class Complaints (2016)

323 consumer complaints on file.

#11581717April 8, 2024
POWER TRAIN
I need Positive Crankcase ventilation valve replace It's a common repair that comes up with these makes/models
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11581394April 5, 2024
UNKNOWN OR OTHER
I was taking my son to work and I heard my sunroof open and close when the controls were not being touched . I’m afraid if it opens and it closes on its own that it could fly off my car and hit someone else’s car and possibly injure some one .
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11581170April 4, 2024
STRUCTURE:BODY
Front Stationary Sunroof Panel (between the windshield and the sunroof) deteriorating and cracking in the middle. I've read about a recall on previous year models that will extend to this year model or even further year but waiting on this recall to reach my vin number. I've seen same model year in other states have this issue resolved with the recall update in Feb 2024. This is related to the NHTSA Recall ID: 23V854.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11580896April 3, 2024
EXTERIOR LIGHTING
I received a warning that my left front headlight was not working. I took the car to my dealer to have the light replaced. I was told that because this is an LCG assembly the entire assembly unit needed to be replaced and the cost would be $3,500.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11580592April 2, 2024
FUEL/PROPULSION SYSTEM
There is a fuel leak in the engine area and as well.as.undermeath the vehicle and Mercedes only covers a extended warranty which is not fully fixing the issues gas is a dangerous thing and I would.wjy haven't there been a recall on this know.issue with these w205 Mercedes
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11580232March 30, 2024
ENGINE
Pcv valve has gone bad, and it seems like everyone i ask that is mercedes technician they all say these parts are terribly made and always break.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11579368March 25, 2024
POWER TRAIN, FUEL/PROPULSION SYSTEM, ENGINE
The Positive Crankcase Ventilation (PCV) valve is crucial for regulating the flow of gases in the engine's crankcase. If the PCV valve malfunctions or becomes clogged in a car like the 2016 Mercedes Benz C300 4-matic, several problems can arise: 1. **Increased Pressure:** A malfunctioning PCV valve can cause pressure to build up in the crankcase. This increased pressure can lead to oil leaks, gasket failures, or even engine seals blowing out. 2. **Poor Engine Performance:** When the PCV valve fails, it can disrupt the air-fuel mixture in the engine, leading to rough idling, stalling, or decreased fuel efficiency. This can result in a loss of power and overall poor engine performance. 3. **Contamination:** A faulty PCV valve may not properly route harmful gases, like unburned fuel and moisture, out of the crankcase. This can lead to contamination of the engine oil, reducing its effectiveness in lubricating engine components and potentially causing premature wear and damage. 4. **Increased Emissions:** A malfunctioning PCV valve can result in increased emissions from the vehicle, as it may not properly recirculate harmful gases back into the combustion chamber for burning. Overall, a nonfunctional PCV valve can negatively impact both the car's performance and the environment, potentially leading to costly repairs and increased pollution. Additionally, prolonged exposure to increased emissions from the vehicle can be harmful to both the environment and the health of individuals. Therefore, it's essential to regularly inspect and maintain the PCV valve to ensure proper functioning of the vehicle.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11579421March 25, 2024
UNKNOWN OR OTHER
PCV Valve Malfunction, common in my model year.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11578594March 20, 2024
ENGINE
My Mercedes has a P052E check engine light code for its PCV value performance. I do see that many other drivers are having this issue and that repairs are around $2,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11578066March 18, 2024
FUEL/PROPULSION SYSTEM
There is a gas smell pervasive in the driving compartment of the car. My mechanic identified a recall campaign for almost every other 2016 C 300 class vehicle. For some reason, my “platform quote number is not listed, but the problem is exactly the same as described in campaign description number. 21P2197456 released on December 17, 2021.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11575774March 6, 2024
STEERING
The contact owns a 2016 Mercedes-Benz C300W. The contact stated that when the vehicle was started, the power steering warning light illuminated and the power steering seized. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was unknown.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11575166March 3, 2024
STEERING
Electronic power steering failed. The electronic power steering on this vehicle has failed several times, making it almost impossible to steer. When this occurs, steering requires a tremendous amount of force and puts the vehicle and driver at enormous risk of an accident.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11574182February 27, 2024
ENGINE
Check engine light P052E crankcase vent valve thousands of same model have this problem should be recall
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11573882February 25, 2024
ENGINE
I recently received a CEL code P052e positive crankcase ventilation valve. Common problem seen in multiple forums.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11573726February 23, 2024
UNKNOWN OR OTHER
PCV valve
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11573297February 22, 2024
ENGINE
M274 check engine light P052E71 Crankcase ventilation valve Topic: # LI 01.20-P-076794 crankcase ventilation cylinder head cover WIS-references document # AR01.20-P-9692MRU remove/install oil separator on crankcase.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11573093February 21, 2024
STEERING
Electric power steering lost power and failed while driving on drive way. The steering became very difficult to turn and the car became very hard to control if not impossible. If it had failed while on the road with other cars, especially while turning, the car could be in a crash with serious accident that could have injured me and others. The problem was reproduced by the dealer. The dealer examined the car and steering components and has confirmed that the electric power steering rack failed. There was a recall done (17V243000) some time ago, however, my VIN is not included in the recall. The problem that my car is having is exactly the same as is described in this recall, 17V243000. It seems that more cars are having this same issue.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11573226February 21, 2024
UNKNOWN OR OTHER
Positive Crankcase ventilation regularly Valve. This issue is in so many c300s and should be recalled for that reason.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11572922February 20, 2024
ENGINE
Positive crankcase ventilation regulator valve performance
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11572718February 19, 2024
ELECTRICAL SYSTEM
The sunroof locked open during a road trip. I am mechanically inclined, so adding lubricant and driving through a low pressure air front caused the sunroof to shut. Had I been in an emergency, not mechanically inclined, or if this happen during inclement weather or to a little old lady this would have been a severe issue causing the vehicle to become inoperable due to rain or snow entering the cabin and reducing visibility, and damaging the electronic components in the vehicle's cabin. This is also a safety hazard to the the drivers health in conditions of smog, extreme low temperature, animal attack or if there was an assault from a criminal with ill intentions.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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