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:

    Overview
    The on-board computer is activated as soon as you turn the SmartKey to position 1 in the ignition lock. You can control the multifunction display and the settings in the on-board computer using ...

    Rejecting or ending a call
    Press the button on the steering wheel. If you are not in the Tel menu, you can still reject or end a call. ...

    Engine
    Display messages Possible causes/consequences and Solutions The coolant level is too low. Add coolant, observing the warning notes when doing so. If coolant nee ...