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 up or down.
See also:
Charging the battery
WARNING
Never charge a battery still installed in the vehicle unless
a battery charger unit approved by Mercedes-Benz is being used. Gases may escape
during charging and cause explosions tha ...
General notes
When you lock the vehicle, you can simultaneously:
close the side windows
close the panorama roof with power tilt/ sliding panel
On vehicles with a panorama roof with power tilt/sliding panel ...
Seating & Cargo
The GL550's front seats have a litany of power adjustments, including
adjustable stiffness for the side bolsters. Even with the bolsters and lumbar
support dialed all the way back, the seats are t ...
