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:
Useful information
This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are ...
Effortlessly superior: new four-cylinder diesel engine and proven V6
powerplants
State-of-the-art powerplants ensure an exceptionally high level of ride
comfort and impressive performance right across the GLK range. Plus
fuel-consumption figures are low, as is the emission cou ...
Exterior
A strictly utilitarian appearance is softened somewhat by body-color bumpers,
rub strips and rocker panels, as well as alloy wheels and a stainless steel
spare-tire cover. As for dimensions, the G ...
