Setting the center air vents

1 Fixed center air vent
2 Center air vent, right
3 Center vent thumbwheel, right
4 Center vent thumbwheel, left
5 Center air vent, left
To open/close: turn thumbwheels 3
and 4 up or down.
See also:
NECK-PRO head restraints
Resetting the NECK-PRO head restraints
requires a lot of strength. If you have
difficulty resetting the NECK-PRO head
restraints, have this work carried out at a qualified specialist workshop, e.g ...
Removing a wheel
– Unscrew the uppermost wheel bolt
completely.
– Screw alignment bolt 1 into the thread
instead of the wheel bolt.
– Unscrew the remaining wheel bolts fully.
Do not place wheel bolts in ...
Vehicle data, GL 450
The data stated here refers specifically to a
vehicle with standard equipment. Consult an
authorized Mercedes-Benz Center for the
data for all vehicle variants and trim levels.
...
