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:

    De-authorizing (de-registering) a Bluetooth® device
    Mercedes-Benz USA, LLC recommends deauthorization in both COMAND and the Bluetooth® device, e.g. the mobile phone. Subsequent authorization may otherwise fail. In the Bluetooth® device list, se ...

    Adaptive Highbeam Assist
    You can use this function to set the headlamps to change between low beam and high beam automatically. The system recognizes vehicles with their lights on, either approaching from the opposite ...

    Checklist after driving off-road
    WARNING   If you notice sudden significant vibrations or unusual handling performance or if you suspect that damage has occurred to the vehicle, you should activate the hazard warning l ...