2024 Mercedes-Benz GLC 300 Brakes Problems
- Complaints
- 3about this part
- Share
- 14%of 21 total for the year
- Median mileage
- 97,000miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 3 complaints about the brakes of the 2024 Mercedes-Benz GLC 300, 14% of the 21 complaints for this model year. Where a mileage was given, the median is 97,000 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.
“3/31/26 2pm After highway driving - 3 miles/35 mph tried to brake- Immediately something was wrong with the brake as and it felt spongy/mushy/unresponsive. Car did not slow until I pressed the brake fully to the floor. The car did stop &was alarmingly unresponsive. Around this time,noticed the white BRAKE light illuminated. Continued to drive - terrified. Had to brake VERY HARD to get car to slow/stop. at home, Quick google search had me try turning on and off parking brake - tied this 5-6 times and white BRAKE light went off and I could brake/stop car. …”
NHTSA complaint #11730496, filed 2026-04“After giving a pressure to the brakes, the car feels like the brakes are being slipped towards the end, so I have to hold the brakes hard at the end. I have tried different models of Mercedes such as E class but the brake of E class works exactly opposite from GLC 300. When I give a pressure to E class, first it will stop slowly and towards the end, it will stop more aggressively. When I drive GLC 300 on highway, I had to make several sudden stops because I couldn't estimate the brake range. I made several different people to drive my car, and they felt the same. …”
NHTSA complaint #11555404, filed 2023-11“The contact owns a 2024 Mercedes Benz GLC 300. The contact stated that while attempting to park, the vehicle experienced unintended acceleration causing the contact to lose control of the vehicle and crash into a wall, another vehicle, and two poles where it came to stop when crashing into the second pole. During the unintended acceleration, the contact depressed the brake pedal to control the vehicle however it failed to respond. No air bags deployed. The contact sustained chest, neck, and back injuries and an ambulance transported her to a hospital. A police report was filed. …”
NHTSA complaint #11604088, filed 2024-07, 97,000 milesRelated service bulletins
- 11038186Sep 22, 2026Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is similar to a tire or wheel vibration, it is usually readily…
- 11024405Oct 20, 2025Complaint At low speeds and light brake pressure, brakes will make a groaning or honking noise. Cause Frictional vibrations with very light brake pressure/modulations. Remedy…
- 11014412Feb 3, 2025Complaint Noises/ squealing from the service brake in various driving situations and ambient conditions. Cause Frictional vibrations Remedy AMG brake systems are designed for…
Brakes: other model years
Other parts of the 2024 Mercedes-Benz GLC 300
7 complaintsElectrical system
6 complaintsTransmission and drivetrain
5 complaintsExterior lighting
3 complaintsOther or unknown
3 complaintsForward collision avoidance
2 complaintsAir bags
1 complaintsSeat belts
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2024 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