The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.

See also:
Managing a subscription
To be able to enable or unsubscribe from the
channels, you must have reception. It is usually
at its best when you have an unobstructed view
of the sky. The channel name is displayed in the
st ...
Drive-off assistant
This system supports driving away on gradients.
The parking brake is not required.
1. Hold the vehicle in place with the foot brake.
2. Release the foot brake and drive away without
delay.
Depen ...
Integrated Owner's Manual in the vehicle
The integrated Owner's Manual can be displayed
on the Control Display. The equipment
and functions that are in the vehicle are described
therein. ...
