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. ...

General notes
WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-B ...

Setting the EASY-ENTRY/EXIT feature
WARNING Make sure that nobody can become trapped when you activate the EASY-ENTRY/EXIT feature. If there is a risk of entrapment by the steering column, move the steering wheel adjustment ...