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 steering wheel and gear or selector lever
      Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...

    Important safety notes
    WARNING Do not park this vehicle in areas where combustible materials can come into contact with the hot exhaust system. Do not park the vehicle on dry grassland or harvested grain fields ...

    "Minispare" emergency spare wheel
    The "Minispare" emergency spare wheel can be found in the stowage well under the trunk floor. – Lift the trunk floor up. Example: vehicles without lockable trunk floor – Vehicles ...