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:
Safety notes
WARNING
Work improperly carried out on electronic
components and associated software could
cause them to cease functioning. Because the
vehicle's electronic components are
interconnected, a ...
Checking the vehicle and trailer weight
- To check that the weights of the towing
vehicle and the trailer comply with the
maximum permissible values, have the
vehicle/trailer combination (including the
driver, passengers, and cargo ...
Problems with your vehicle
If you should experience a problem with your
vehicle, particularly one that you believe may
affect its safe operation, we urge you to
contact an authorized Mercedes-Benz Center
immediately to ...
