2023 Mercedes-Benz GLC 300 4MATIC Vehicle speed control Problems
- Complaints
- 1about this part
- Share
- 11%of 9 total for the year
- Median mileage
- —not reported
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 1 complaints about the vehicle speed control of the 2023 Mercedes-Benz GLC 300 4MATIC, 11% of the 9 complaints for this model year.
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 issue is regarding the “Traffic Sign Assist” (Owner’s Manual page 221) feature of the Adaptive Cruise Control System. Vehicle will be made available if requested. The function of the Traffic Sign Assist is to monitor roadside Speed Limit signs and the cruise control will increase or decrease speed to stay within the permissible legal speed limit. …”
NHTSA complaint #11732594, filed 2026-04Vehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 11% |
Other parts of the 2023 Mercedes-Benz GLC 300 4MATIC
4 complaintsBrakes
2 complaintsForward collision avoidance
2 complaintsBody and structure
2 complaintsEquipment
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2023 Mercedes-Benz GLC 300 4MATIC
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