See also:

Bead
The tire bead ensures that the tire sits securely on the wheel. There are several steel wires in the bead to prevent the tire from coming loose from the wheel rim. ...

Switching the windshield wipers on/ off
WARNING Wiper blades are components that are subject to wear and tear. Replace the wiper blades twice a year, preferably in the spring and fall. Otherwise the windows will not be wiped prope ...

Controlling the rear-compartment climate control automatically using the front control panel
Turn the SmartKey to position 2 in the ignition lock. Activate the rear compartment function via COMAND. Rear-compartment climate control can be controlled via the front control panel using ...