Restoring the factory settings

•► Press the buttons and simultaneously for approximately six 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. ...

    Activating/deactivating
    Turn the SmartKey to position 2 in the ignition lock. To switch on: press the button. The indicator lamp in the button lights up. Airflow and air distribution are set to automatic mode. or ...

    Load index
    In addition to the load bearing index, the load index may also be imprinted on the sidewall of the tire. This specifies the load bearing capacity more precisely. ...