2019 Mercedes-Benz GLC 350 Engine Problems
- Complaints
- 3about this part
- Share
- 50%of 6 total for the year
- Median mileage
- 41,890miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2019 Mercedes-Benz GLC 350, 50% of the 6 complaints for this model year. Where a mileage was given, the median is 41,890 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“As I drove the car a warning message popped in the screen stating Malfunction without any further details. The car kept running, apparently we'll at first. Then after car was turned off and turned on again the car accelerated by itself proving very dangerous. The day after, le message popped up again, but the car began accelerating by it self in more than three occasions, at one point almost colliding with the car in front. Also a loss of control at certain times during driving was experienced causing impared drivability compromising occupants and driver's safety. …”
NHTSA complaint #11460597, filed 2022-04“The contact owns a 2019 Mercedes-Benz GLC350. The contact stated while driving 62 MPH, several unknown warning lights illuminated, and the vehicle started to lose motive power. The contact stated that the temperature gauge warning light was illuminated and a message to “Stop Vehicle Immediately” was displayed. The contact attempted to merge to the side of the road; however, the vehicle started losing motive power. The vehicle was towed to a dealer where it was diagnosed with a warped head gasket. The local dealer was contacted; however, the vehicle was not repaired. …”
NHTSA complaint #11646016, filed 2025-03, 63,000 milesRelated service bulletins
- 11008056Sep 16, 2024Complaint Check engine light on. Fault code P207273 - "Throttle actuator valve is blocked due to ice" stored. Engine may crank and not start. Fault code P210185 may also be…
- 10202522Jun 4, 2021Vehicle does not start after charging process
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 3 | 50% |
Other parts of the 2019 Mercedes-Benz GLC 350
3 complaintsElectrical system
2 complaintsVehicle speed control
2 complaintsBrakes
1 complaintsEngine cooling
1 complaints
← All problems reported for the 2019 Mercedes-Benz GLC 350
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology