See also:

Call priority
When service calls are active, e.g. Roadside Assistance or MB Info calls, an emergency call can still be initiated. In this case, an emergency call will take priority and override all other ac ...

Switching to navigation mode
Press the function button once or twice. or Select Navi in the main function bar by sliding and turning the COMAND controller and press to confirm. In both cases, you will see ...

Displaying the coolant temperature
WARNING   Driving when your engine is overheated can cause some fluids which may have leaked into the engine compartment to catch fire. You could be seriously burned. Steam from an over ...