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:

    Cleaning the headliner and carpets
    Roof lining: use soft brushes or dry shampoo if it is particularly dirty. Carpets: use carpet and textile cleaners that have been approved and recommended by Mercedes-Benz. ...

    Checking tire pressure electronically
    Make sure that the SmartKey is in position 2 () in the ignition lock. Press the or button on the steering wheel to select the Service menu. Press the or button to select Tire Pres ...

    Massage function (PULSE)
    The massage function helps you to prevent muscle tension on long journeys. You can choose between two levels. •► To switch on: press button 4 once or twice until the desired level is set. ...