Restoring the factory settings

and Press the buttons simultaneously for and approximately six seconds until the battery check lamp flashes twice. buttons simultaneously for approximately six seconds until the battery check lamp flashes twice.

    See also:

    Snow chains
    For safety reasons, Mercedes-Benz recommends that you only use snow chains which have been specially approved for your vehicle by Mercedes-Benz, or are of a corresponding standard of quality. ...

    Displaying navigation instructions
    In the Navi menu, the multifunction display shows navigation instructions. For more information, see the separate operating instructions. •► Switch on COMAND (see the separate operating ...

    System self-test
    The 42 indicator lamp illuminates when you: • turn the SmartKey to position 1 or 2 in the ignition lock • on vehicles with KEYLESS-GO, press the Start/Stop button once or twice The indicator ...