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 ...

Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

Cross bar
Points to observe before use The maximum roof load that can be used with additional accessories decreases by the dead weight of the crossbars (13.7 lbs/6.2 kg). Note that installing the crossb ...