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:
Floormats
WARNING
Whenever you are using a floormat, make sure
there is enough clearance and that the
floormat is securely fastened.
The floormat should always be securely
fastened using the fastening ...
"Electronic crumple zone": even more safety in the M-Class
As ever, the best accident is one which does not happen at all. The safety
engineers at the Mercedes Technology Center are working intensively on this
rather simple sounding statement, which in pr ...
General information
Read this section carefully before driving your
vehicle off-road. Practice by driving over more
gentle off-road terrain first.
Familiarize yourself with the characteristics
of your vehicle and t ...
