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:
Two-Wheel-Drive Vehicles
Dinghy Towing
Notice: If a two-wheel-drive vehicle is towed with all four wheels on the ground,
the transmission could be damaged. The repairs would not be covered by the vehicle
warranty. Do not ...
Increasing fuel economy
► Accelerate slowly and smoothly. Maintain
cruising speeds with a constant
accelerator position.
► Drive at moderate speeds on the highway.
► Avoid unnecessary stopping and b ...
Engine Fan
The vehicle has electric cooling fans. The fans spinning at low speed during
most everyday driving might be heard. The fans can turn off if no cooling is required.
Under heavy vehicle loading, trail ...






