There are 1 stored owner reports matching the lighting leading-label group for the 2017 Ford Mustang 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 2017 Ford Mustang. The contact stated that after parking and turning off the vehicle, it was later discovered that the rear brake lights had remained illuminated. Upon inspection, the contact discovered that the brake pedal plunger had failed and disintegrated. The vehicle was not repaired. The manufacturer and local dealer were notified of the failure. The failure mileage was 10,000. The VIN was not available.
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: Apr 29, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.