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:

    Activating/deactivating DSR
    Activating You can only activate DSR if you are driving at 25 mph (40 km/h) or slower. – Press button 1. Indicator lamp 2 lights up. The following messages appear in the multifunction displa ...

    Storing the current speed or calling upthe last stored speed
    WARNING   The set speed stored in memory should only be set again if prevailing road conditions and legal speed limits permit. Possible acceleration or deceleration differences arising ...

    Safety systems
    Display messages Possible causes/consequences and Solutions Currently Unavailable See Operator's Manual G Risk of accident ABS (Anti-lock Braking System), ESP® (E ...