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What 23 owners told NHTSA about the 2024 Mercedes-benz GLC Coupe

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (23)Crash / fire / injury (2)Engine (7)Transmission & drivetrain (7)Electrical system (6)Brakes (3)Lights (3)Driver assistance (2)Airbags (1)Seat belts (1)Speed control (1)Visibility & wipers (1)

1 of 23 complaints match · Seat belts · clear filters

Sep 6, 2024Seat belts

Passenger backseat seatbelt would not release under any circumstance. I tried turning the car off and on again. Checking settings on the screen and even releasing the seat a bit. Pushing the red button on the buckle did nothing. Pulling did nothing. Eventually had to cut the seatbelt to get the passenger out. And it is still stuck in the buckle.

NHTSA ODI 11613147

Working with the data? Download all 23 complaints as CSV · fetched from NHTSA July 19, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2024 Mercedes-benz GLC Coupe verdict →