Audi, BMW, Mercedes-Benz Warning Message
“Parking Brake Malfunction”
The electronic parking brake (EPB) system has detected a fault. The parking brake may not engage or release properly. This is an epidemic issue across all three German brands as EPB motors and cables age.
moderate severity
Common Causes
- EPB motor failure (caliper-mounted)
- EPB control module fault
- Parking brake cable stretch or seizure
- Battery voltage too low for EPB operation
- Brake pad replacement without EPB retraction procedure
Immediate Action
If the parking brake is stuck engaged, do not force the vehicle to move — this will destroy the rear brakes. If it won't engage, use wheel chocks on inclines. Schedule service.
Typical Repair Cost
$400–$1,500