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:

    Load bearing index
    The load bearing index (also load index) is a code that contains the maximum load bearing capacity of a tire. ...

    LATCH-type (ISOFIX) child seat anchorsin the rear
    WARNING   Children that are too large for a child restraint must travel in seats using normal seat belts. Position shoulder belt across the chest and shoulder, not face or neck. In orde ...

    Immobilizer
    The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be starte ...