See also:

Setting the side air vents
To open/close: turn thumbwheel 3 up or down. Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut. ...

Deactivating DISTRONIC PLUS
There are several ways to deactivate DISTRONIC PLUS: Briefly press the cruise control lever forwards 1. or Brake, unless the vehicle is stationary. When you deactivate DISTRONIC PLUS, the ...

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 ...