2023 Mercedes-Benz GLC 300 4MATIC Forward collision avoidance Problems
- Complaints
- 2about this part
- Share
- 22%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 2 complaints about the forward collision avoidance of the 2023 Mercedes-Benz GLC 300 4MATIC, 22% 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 2026-04Related service bulletins
- 11021143Jul 26, 2025Complaint Hand detection system not operating correctly / vehicles with code 266 Fault message in instrument cluster: "Active Emergency Stop Assist not available" "Active Lane…
- 11020951Jul 25, 2025Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated driver assistance system software available for certain subject vehicles. The updated software improves…
- 11019782Jun 28, 2025Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has updated driver assistance system SCN coding available for certain subject vehicles. The updated SCN coding…
Forward collision avoidance: other model years
Other parts of the 2023 Mercedes-Benz GLC 300 4MATIC
4 complaintsBrakes
2 complaintsBody and structure
2 complaintsEquipment
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
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