Home · 2026 Mercedes-benz GLC 300 4matic · Complaints

What 7 owners told NHTSA about the 2026 Mercedes-benz GLC 300 4matic

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 (7)Crash / fire / injury (1)Electrical system (4)Engine (2)Backup camera & sensors (1)Body & structure (1)Brakes (1)Steering (1)Transmission & drivetrain (1)Wheels (1)

1 of 7 complaints match · Backup camera & sensors · clear filters

Jan 13, 2026Backup camera & sensors

Backup camera keeps opening and closing constantly while driving in slow speeds. While driving, backup camera keeps opening and closing, creating a noise and distraction to the driver and might cause accidents. The issue has been confirmed by the Mercedes Benz dealership service manager, describing as a recurrent in specific models with no current action plan or solution on near future. The car and component has been checked by the manufacturer. There are no warning lamps or symptoms prior to the problem occurrence and appeared at the first couple of days driving the car out of the dealership.

NHTSA ODI 11710801

Working with the data? Download all 7 complaints as CSV · fetched from NHTSA July 13, 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 2026 Mercedes-benz GLC 300 4matic verdict →