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 trailer tow hitch
    The ball coupling must be cleaned if it becomes dirty or corroded. Remove rust on the ball of the ball coupling, e.g. with a wire brush. Remove dirt with a clean, lint-free cloth or a brush. A ...

    Socket in the front-compartment center console
    To open: slide cover 1 forwards until it engages. Lift up the cover of socket 2. To close: press cover 1 briefly at the front. The cover moves back. ...

    Center console, upper section
    Vehicles with the Off-Road Pro engineering package 1 Audio system/COMAND; see separate operating instructions 2 Hazard warning lamps 3 Indicator lamp 4 Seat heating 5 Seat ventila ...