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:

    Switching the screen on/off (Rear Seat Entertainment System only)
    If the SmartKey is in the ignition lock in position 0 or 1 or if the SmartKey is not in the ignition lock, the rear screens will switch off after 30 minutes. Before the screens switch off, the ...

    Using KEYLESS-GO
    The KEYLESS-GO key must be outside the vehicle. All the doors must be closed. •► Touch recessed sensor surface 1 on the door handle until the side windows and the sliding sunroof or the ...

    Automatic interior lighting control
    To switch on/off: press the button. When the automatic interior lighting control is activated, the button is flush with the overhead control panel. The interior lighting automatically switch ...