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What 20 owners told NHTSA about the 2021 Mercedes-benz GLA

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 (20)Crash / fire / injury (2)Engine (7)Electrical system (4)Brakes (3)Fuel system (3)Backup camera & sensors (2)Body & structure (2)Tires (2)Driver assistance (1)Speed control (1)Transmission & drivetrain (1)

2 of 20 complaints match · crash/fire/injury only · clear filters

Dec 23, 2024Body & structure1 injury

Twice now, my husband is putting groceries in the back of the vehicle and the top closes on him and this last time, hit him hard in the head. This is a safety issue, what can we do??

NHTSA ODI 11632215

Jun 14, 2022TiresCrash1 injury

The contact called on behalf of his client who owns a 2021 Mercedes-Benz GLA250 equipped with Continual tires, Tire Line: Procontact GXSSR, Tire Size: 235/55r/18, and DOT 6y3lwxx43220. The contact stated while driving at 30 MPH on a local road and attempting to get into the right lane, the driver crashed into a pole where the vehicle came to a stop. The contact suffered injuries to the face from the air bag deploying and hurt her leg. No medical attention was needed. There was no warning light illuminated. The vehicle was towed to an impound lot. The manufacturer was made aware of the failure. The failure mileage was 11,000.

NHTSA ODI 11469173

Working with the data? Download all 20 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 2021 Mercedes-benz GLA verdict →