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:

    Active Lane Keeping Assist
    Important safety notes Active Lane Keeping Assist monitors the area in front of your vehicle by means of a camera at the top of the windshield. Active Lane Keeping Assist detects lane markings ...

    Opening
    You can open the tailgate automatically using the SmartKey or the handle in the tailgate. - Press and hold the button on the SmartKey until the tailgate opens. or - When the tailgate is unl ...

    Controlling the front climate control using the front control panel
    Turn the SmartKey to position 2 in the ignition lock. Set the desired temperature. To switch on: press the rocker switch up or down. The indicator lamp in the rocker switch lights up. ...