There are 1 owner-reported air bags & restraints complaints for the 2021 Mercedes-Benz A-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The driver’s seatbelt failed to properly engage during a high-speed rear-end collision allowing his head and face to strike the steering wheel causing a loss of consciousness and other symptoms of traumatic brain injury. Thus far the problem has not been reproduced or confirmed by a dealer but it is believed the seat belt was inspected by EMTs responding to the scene. Additional documentation will be provided when received. There were no warnings or other symptoms of the problem prior to the failure. This report is filed on behalf of the owner and driver by their attorney.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026