2021 Mercedes-Benz GLC 300 engine problems
Owners reported engine problems in 30 complaints for the 2021 Mercedes-Benz GLC 300, 32% of the complaints on file. It is the most reported problem area for this model year.
At a glance
- Complaints
- 30 32% of this year's complaints
- Crashes and fires
- 1 and 0
- Injuries and deaths
- 0 and 0
Source: NHTSA owner complaints
What the data shows
These complaints mention 1 crash.
What owners wrote
The contact owns a 2021 Mercedes Benz GLC 300. The contact stated that while driving at various speeds, the vehicle would lose power and fail to accelerate upon the depression of the accelerator pedal. The check engine light would appear on the instrument panel. Despite the failure, the vehicle would resume normal operation upon restart of the engine. The vehicle was initially taken to a dealer but the dealer could not duplicate the failure.
The contact owns a 2021 Mercedes-Benz GLC300. The contact stated while driving at various speeds, the vehicle hesitated to accelerate while the accelerator pedal was depressed. The contact stated there was no warning light illuminated. The vehicle was taken to a local dealer but was not diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 7,000.