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:

    PRE-SAFE® (preventative occupant protection)
    WARNING The PRE-SAFE® system reduces the impact of an accident on vehicle occupants, as long as their seat belts have been fastened correctly. Although your vehicle is equipped with a PRESAF ...

    ETS/4ETS (Electronic Traction System)
    WARNING Observe "Important safety notes" (). Traction control is part of ESP®. Traction control brakes the drive wheels individually if they spin. This enables you to pull away and ...

    DOT (Department of Transportation)
    DOT marked tires fulfill the requirements of the United States Department of Transportation. ...