2024 Mercedes-Benz GLC 300 4MATIC Forward collision avoidance Problems
- Complaints
- 4about this part
- Share
- 50%of 8 total for the year
- Median mileage
- 31,153miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 4 complaints about the forward collision avoidance of the 2024 Mercedes-Benz GLC 300 4MATIC, 50% of the 8 complaints for this model year. Where a mileage was given, the median is 31,153 miles.
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.
“While carrying my carbon fiber bicycle on a rear hitch mounted bicycle carrier, the vehicle severely and violently applies the brakes and swerves either left or right or both. This catastrophic maneuver has put me and other drivers in a non avoidable highly calamity. This “AUTO” maneuver happens dozens of times in during a fifteen mile trip to local bicycle trails. Dealer replaced the Trailer Recognition Module 9-24-2025. As expected, dangerous situation remains. Happens every opportunity when carrying bicycles. First exhibited after purchase 6-29-2024 to current.”
NHTSA complaint #11690219, filed 2025-09“The contact owns a 2024 Mercedes-Benz GLC 300. The contact stated that while driving at approximately 35 MPH, the brake was applied unexpectedly without the contact depressing the brake pedal. The contact stated that she was unsure if the forward collision system was turned on at that time. The driver's seat belt tightened, and she sustained a bruise on her left arm and soreness on her chest. Medical attention was required. The vehicle was taken to a dealer where they were not able to replicate the failure. …”
NHTSA complaint #11735615, filed 2026-05, 31,153 milesRelated 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 2024 Mercedes-Benz GLC 300 4MATIC
3 complaintsBack-over prevention (rear camera)
2 complaintsBrakes
1 complaintsElectrical system
1 complaintsEngine
1 complaintsLane departure
1 complaintsOther or unknown
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2024 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