Preparation
1. Check whether the battery of the other vehicle has a voltage of 12 volts. This information can be found on the battery.
2. Switch off the engine of the assisting vehicle.
3. Switch off any electronic systems/power consumers in both vehicles.
Bodywork contact between vehicles
Make sure that there is no contact between the bodywork of the two vehicles; otherwise, there is the danger of short circuits.
See also:
Deactivating/activating DTC Dynamic
Traction Control
The system can be deactivated/activated via the
TRACTION and SPORT+ programs of the Dynamic
Driving Control. ...
The concept
The parking brake is primarily intended to prevent
the vehicle from rolling while parked; it
brakes the rear wheels.
...
Releasing
With the ignition switched on:
Automatic transmission: Press
the switch
while the brake is pressed or transmission
position P is engaged.
The LED and indicator lamp go out.
The parking bra ...