See also:

Change of address or change of ownership
In the event of a change of address, please send us the "Change of Address Notice" found in the Service and Warranty Information Booklet, or simply call the Mercedes-Benz Customer As ...

De-registering (de-authorizing) a mobile phone
Mercedes-Benz USA, LLC recommends deauthorizating in both COMAND and the mobile phone. Subsequent authorization may otherwise fail. To call up the telephone menu: press the function button ...

Switching the belt adjustment on/off
For further information on belt adjustment. Press the or button on the steering wheel to select the Settings menu. Press the or button to select Belt Adjustment. Press the button to ...