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:
Off-Road Recovery
The vehicle's right wheels can drop off the edge of a road onto the shoulder
while driving.
Follow these tips:
1. Ease off the accelerator and then, if there is nothing in the way, steer the ...
Tire Inspection
We recommend that the tires, including the spare tire, if the vehicle has one,
be inspected for signs of wear or damage at least once a month.
Replace the tire if:
The indicators at three or mor ...
Power steering fluid
Check the fluid level in the reservoir.
The fluid level should be checked using the
HOT range (1 : HOT MAX., 2 : HOT MIN.).
at fluid temperatures of 122 to 1768F (50
to 808C) or using the CO ...






