2016 Mercedes-Benz GLC 300 Vehicle speed control Problems
- Complaints
- 2about this part
- Share
- 1%of 134 total for the year
- Median mileage
- 34,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the vehicle speed control of the 2016 Mercedes-Benz GLC 300, 1% of the 134 complaints for this model year. Where a mileage was given, the median is 34,000 miles. 2 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.
“The contact owns a 2016 Mercedes-Benz glc300w. While making a right turn to park, the vehicle accelerated automatically and crashed into a building. The contact stated that the brakes failed to stop the vehicle. A police report was filed and there were no injuries. The vehicle was towed to an independent mechanic. The manufacturer was notified of failure. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The failure mileage was 23,000.”
NHTSA complaint #11193090, filed 2019-04, 23,000 miles“The contact owns a 2016 Mercedes-Benz GLC300W. The contact stated while driving at 65 mph the vehicle went through a sudden acceleration and then slowed down to about 65 mph. The contact stated no warning lights were illuminated. The contact got off the highway and proceeded to her destination. The contact said she smelled the odor of gasoline while the vehicle was parked. The contact was driving in a parking lot at approximately 5 mph when she lost power to her brakes and the vehicle had another occurrence of sudden acceleration. …”
NHTSA complaint #11453712, filed 2022-02, 45,000 milesRelated service bulletins
- 11031730Aug 27, 2022Dear Mercedes-Benz Owner: In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz…
- 11031728Aug 19, 2022Dear Mercedes-Benz Owner: In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz…
- 11031727Aug 19, 2022In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (“MBUSA”) hereby…
- 11031731Aug 13, 2022Dear Mercedes-Benz Owner: In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz…
- 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
Other parts of the 2016 Mercedes-Benz GLC 300
38 complaintsBrakes
27 complaintsFuel system
21 complaintsOther or unknown
21 complaintsAir bags
12 complaintsElectrical system
11 complaintsSteering
7 complaintsTransmission and drivetrain
6 complaintsSeat belts
5 complaintsVisibility (wipers, defrost, mirrors)
5 complaintsEngine cooling
4 complaintsBody and structure
4 complaints
← All problems reported for the 2016 Mercedes-Benz GLC 300
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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