See also:

Mercedes-Benz M-Class Owners Manual
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Preparing the vehicle
Your vehicle may be equipped with a "Minispare" emergency spare wheel or MOExtended tires (tires with run-flat properties). Vehicle preparation is not necessary on vehicles with MOEx ...

Operating video DVD
► Switch on COMAND and select video DVD (see the separate operating instructions). ► Press the button on the steering wheel to select the Audio menu. DVD changer display (example) ...