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:

    Interior
    The M-Class seats five people on front buckets and a three-place split rear seat that folds to expand cargo space to 81.2 cubic feet. An optional two-place third-row seat increases passenger capac ...

    Setting climate control to automatic
    WARNING   If you switch off the cooling function, the vehicle will not be cooled when weather conditions are warm. The windows can fog up more quickly. Window fogging may impair visibil ...

    Through-loading facility in the rear compartment
    WARNING Do not transport any unsecured items in the through-loading area. The through-loading facility is opened from the cargo compartment. – Unlatch the rear seat backrests and tilt th ...