2019 Mercedes-Benz GLC 350 Vehicle speed control Problems
- Complaints
- 2about this part
- Share
- 33%of 6 total for the year
- Median mileage
- 82,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the vehicle speed control of the 2019 Mercedes-Benz GLC 350, 33% of the 6 complaints for this model year. Where a mileage was given, the median is 82,000 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 GLC 350. While the contact's husband was attempting to park the vehicle, the vehicle independently accelerated. The contact stated that the vehicle was uncontrollable. The vehicle crashed into two vehicles and then crashed into a tree before coming to a stop. The contact stated that the speed independently increased to approximately 50 - 60 MPH. The vehicle was towed to the dealer. The contact was seated in the front passenger's seat and was transported to the local medical center. …”
NHTSA complaint #11773309, filed 2026-10, 82,000 milesRelated service bulletins
- 11031592Aug 5, 2022Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has extended the warranty for the accelerator pedal wiring harness and connectors from the original New…
Vehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 2 | 33% |
Other parts of the 2019 Mercedes-Benz GLC 350
3 complaintsOther or unknown
3 complaintsElectrical system
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