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What 20 owners told NHTSA about the 2017 Mercedes-benz B-class E-cell

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)Engine (11)Transmission & drivetrain (10)Electrical system (8)Fuel system (5)Brakes (1)Seat belts (1)Speed control (1)Suspension (1)

1 of 20 complaints match · Brakes · clear filters

Nov 28, 2017Speed controlBrakes

TL* THE CONTACT OWNS A 2017 MERCEDES-BENZ B250. WHILE DRIVING 65 MPH AND ACCELERATING, THE BRAKES WERE APPLIED BUT FAILED TO RESPOND. ADDITIONALLY, THE VEHICLE MADE AN ABNORMAL IRKING NOISE. THE VEHICLE WAS TAKEN TO A LOCAL DEALER (KEYES EUROPEAN, 5400 VAN NUYS BLVD, VAN NUYS, CA 91401), BUT THEY WERE NOT ABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE AND ADVISED THE CONTACT TO CONTINUE TO DRIVE THE VEHICLE. THE FAILURE MILEAGE WAS 1,000.

NHTSA ODI 11048875

Working with the data? Download all 20 complaints as CSV · fetched from NHTSA July 25, 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 2017 Mercedes-benz B-class E-cell verdict →