Home · 2021 Mercedes-benz AMG Glc43 4matic Coupe · Complaints

What 5 owners told NHTSA about the 2021 Mercedes-benz AMG Glc43 4matic 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 (5)Engine (2)Lights (1)Tires (1)Transmission & drivetrain (1)

1 of 5 complaints match · Tires · clear filters

Jan 31, 2023Tires

The contact owns a 2021 Mercedes-Benz GLC43 equipped with Continental Tires, Tire Line: Sport Contact, Tire Size: 255/40/ZR21, DOT Number: AFHDD76M. The contact stated that on several occasions while driving at approximately 30 MPH and at low speeds on wet pavement, the vehicle started to shake, and a loud abnormal noise was heard in all four tires. No warning light was illuminated. The vehicle was taken to the dealer where it was diagnosed that the tires needed to be replaced; however, tires were not replaced. The manufacturer was notified of the failure and the contact was advised to call the NHTSA Hotline. The failure mileage was approximately 10,000.

NHTSA ODI 11504702

Working with the data? Download all 5 complaints as CSV · fetched from NHTSA July 11, 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 2021 Mercedes-benz AMG Glc43 4matic Coupe verdict →