See also:

Tow-starting (emergency starting)
Vehicles with automatic transmission must not be started by tow-starting. This could otherwise damage the transmission. ...

Trailer towing
For vehicles with a trailer tow hitch, the minimum length for parking spaces is slightly increased. If you have attached a trailer to your vehicle, you should not use Active Parking Assist. On ...

Dialing a number from the phone book
You can use the mobile phone to enter new telephone numbers into the phone book (see COMAND). If your mobile phone is operational, you can select and dial a number from the phone book at any t ...