Mercedes-Benz GL-Class: Setting the center air vents
1 Center air vent, left
2 Center air vent, right
3 Center vent thumbwheel, right
4 Center vent thumbwheel, left
► To open/close: turn thumbwheels 3 and 4 to the right or left.
Important safety notes
WARNING
When operating the climate control, the air
that enters the passenger compartment
through the air vents can be very hot or very
cold (depending on the set temperature). This
c ...
Setting the side air vents
► To open/close: turn thumbwheel 3 to the
left or right.
Side window defroster vent 1 is never
completely shut, even if side air vent 2 is
shut. ...
See also:
Checking Brake Fluid
Check brake fluid by looking at the brake fluid reservoir. See Engine Compartment
Overview .
The fluid level should be above MIN. If it is not, have the brake hydraulic system
checked to se ...
Important safety notes
Important safety notes
Do not leave the SmartKey in the cargo
compartment. You could otherwise lock
yourself out
WARNING
When leaving the vehicle, always remove the
SmartKey from the ...
Draining of coolant water
If the vehicle is to be left outside without
antifreeze, drain the cooling system, including
the engine block. Refill before
operating the vehicle. For details, see
“Engine cooling system” ...
