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What 3 owners told NHTSA about the 2015 Mercedes-benz B 250e

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 (3)Seat belts (2)Brakes (1)Engine (1)Steering (1)Transmission & drivetrain (1)

1 of 3 complaints match · Brakes · clear filters

Oct 18, 2025SteeringSeat beltsBrakes

Subject: Urgent Safety Concern – Immediate Attention Required Dear To Whom it may Concern, I am writing to urgently express serious safety concerns with the vehicle I recently [purchased/test drove/had serviced]. Seat Belt Malfunction: The children’s seat belts are not retracting properly, posing a significant safety risk. Braking Issues: Despite being told the brakes are at 90%, they feel like they are grinding metal. This is highly concerning. Alignment Problem: The vehicle is veering aggressively to the right during normal driving, which indicates a serious alignment or suspension issue. During the test drive, I was told the alignment would be addressed before delivery. However, the vehicle still exhibits unsafe behavior. Additionally, the braking condition does not align with the claim that the brakes are at 90%. These are critical safety issues that must be addressed immediately. I am extremely concerned about the roadworthiness of this vehicle and request a full inspection and immediate resolution before any further use. Please respond as soon as possible to confirm that these issues will be addressed without delay. Sincerely, [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI 11694260

Working with the data? Download all 3 complaints as CSV · fetched from NHTSA July 28, 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 2015 Mercedes-benz B 250e verdict →