Emergency Braking, Basic Function - GF42.20-P-1005A

Model All (4xWD, CAR) 

Overview 

This document contains information on:

• General 
• Function requirements 
• Function 

General 

If the electric parking brake switch is pressed and held down during vehicle operation, emergency braking takes place via the service brake.

Function requirements 

• Drive system active
• Vehicle speed > 4 km/h

Function 

If the electric parking brake switch is pressed and held down while driving, the ESP® control unit detects a brake request and activates the following processes:

• The vehicle is braked via the service brake.
• The brake lamps are actuated.
• The instrument cluster indicates the status of the parking brake via a function lamp.