See also:

Trailer towing
PARKTRONIC is deactivated for the rear area when you establish an electrical connection between your vehicle and a trailer. Fold in the ball coupling if the trailer tow hitch is not required. ...

Front air bags
The front air bags increase protection for the driver's and front-passenger's head and chest. Driver's air bag 1 deploys in front of the steering wheel; front-passenger front air bag 2 deploys ...

Switching the rear-compartment climate control on/off using the rear control panel
Turn the SmartKey to position 2 in the ignition lock. To switch on: press rocker switch 15 up or down and select AUTO. or Press rocker switch 15 up or down and select MAN. To switch of ...