Please bear the following in mind

At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center.

Observe the notes in the "Changing a wheel" section

    See also:

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

    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 ...

    Warranty
    The Service and Warranty Information booklet contains detailed information about the warranties covering your vehicle. Your authorized Mercedes-Benz Center will exchange or repair any defecti ...