See also:

Roadside Assistance button
  Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance but ...

Selecting a main function
Initial situation You would like to change from the telephone menu to the vehicle settings, for example. Slide the COMAND controller and switch to the main function bar. Select Vehicle i ...

SmartKey
Display messages Possible causes/consequences and Solutions You have put the wrong SmartKey in the ignition lock. – Use the correct SmartKey. The Sma ...