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:

    Removing the mechanical key
    - Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey. ...

    Centrally locking and unlocking the vehicle from the inside
    You can centrally lock or unlock the vehicle from the inside. The central locking/unlocking button does not lock or unlock the fuel filler flap. You cannot unlock the vehicle centrally from th ...

    Important safety notes
    WARNING Do not adjust the steering wheel while driving. Adjusting the steering wheel while driving could cause the driver to lose control of the vehicle. The electrical steering wheel adj ...