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.
See also:
Service and literature
Your vehicle is covered under the terms of the
warranties printed in the Service and
Warranty Information booklet. Your
authorized Mercedes-Benz Center will
exchange or repair any defective parts
...
Problems with the sliding sunroof
Problem: the sunroof cannot be closed
and you cannot see the cause.
WARNING
You could be severely or even fatally injured
when closing the sliding sunroof with
increased closing force ...