There are 1 stored owner reports matching the brakes leading-label group for the 2021 Mercedes-Benz E-Class in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)The contact owns a 2021 Mercedes-Benz E350. The contact stated that while parking the vehicle the emergency brake independently seized. The contact stated that the vehicle abruptly stopped. The vehicle would not drive forward or backward. The contact contacted the dealer and a service technician was dispatched to the location. The service technician connected the vehicle to the diagnostic equipment. The contact was advised that the vehicle was not safe to drive. The vehicle was towed to the dealer where it was diagnosed with a failed brake caliber voltage malfunction and the brake caliber voltage needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 24,001.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 31, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.