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What 56 owners told NHTSA about the 2020 Mercedes-benz GLB

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 (56)Crash / fire / injury (4)Body & structure (14)Electrical system (9)Engine (8)Airbags (7)Fuel system (7)Suspension (6)Speed control (3)Steering (3)Backup camera & sensors (2)Brakes (2)

2 of 56 complaints match · Backup camera & sensors · clear filters

Aug 11, 2022Electrical systemBackup camera & sensors

The contact owns a 2020 Mercedes-Benz GLB250. The contact received notification of NHTSA Campaign Number: 21V354000 (Back Over Prevention, Electrical System) however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. Parts distribution disconnect.

NHTSA ODI 11478756

Jun 24, 2022Backup camera & sensors

The contact owns a 2020 Mercedes-Benz GLB250. The contact stated that upon purchasing the vehicle, the rearview camera failed to activate while reversing. The contact stated that whenever the rearview camera was activated a black or blank screen would be displayed; and the screen remained activated while driving. There was no warning light illuminated. The contact later received notification of NHTSA Campaign Number: 22V232000 (Back Over Prevention) however, the part to do the recall repair was not yet available. The dealer was notified of the failure and informed the contact that parts for the recall repair were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the failure but did not provide any assistance. The failure mileage was approximately 16. VIN tool confirms parts not available.

NHTSA ODI 11470863

Working with the data? Download all 56 complaints as CSV · fetched from NHTSA July 18, 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 2020 Mercedes-benz GLB verdict →