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:

    Socket in the cargo compartment
    The socket is not suitable for operating the tire inflation compressor. ►  Lift up the cover of socket 1. ...

    Setting the center vents in the rear compartment
    1 Rear-compartment air vent, left 2 Rear-compartment air vent, right 3 Rear-compartment air vent thumbwheel, right 4 Rear control panel for automatic climate control 5 Rear-compartment a ...

    Refrigerant of the air-conditioning system
    The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant. Never use refrigerant R 12 (CFC) or mineral lubricants. Otherwise, you could damage the air-conditio ...