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:

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

    Sport Utility Vehicle
    WARNING This Sport Utility Vehicle is designed for both on-road and off-road use. It can go places and perform tasks for which conventional 2-wheel drive passenger cars are not intended. Thi ...

    Trailer load/noseweight
    The trailer load/noseweight affects the gross weight of the vehicle. If a trailer is attached, the trailer load/noseweight is included in the load along with occupants and luggage. The trailer ...