Mercedes-Benz 2009 GL320 BlueTEC Operator's Manual page 203

Rear center console air vents
Left rear center air vent, adjustable
1
Right rear center air vent, adjustable
2
Rear climate control panel
3
When the front climate control panel is
switched on or off, the air supply through the
rear center air vents is also switched on or
off.
Overview of climate control system functions and air vents
Air vents in the roof liner over the
second-row seats
Vehicles with 3-zone automatic climate control
only
Thumbwheel for air volume control
1
Air vent, adjustable
2
X
Opening/closing: Turn thumbwheels
upward or downward.
Controls in detail
Air vents in the roof liner over the third-
row seats
Vehicles with 3-zone automatic climate control
only
Left air vent, adjustable
1
Right air vent, adjustable
2
Thumbwheel for air volume control for
3
1
adjustable right air vent
Thumbwheel for air volume control for
4
adjustable left air vent
X
Opening/closing: Turn thumbwheels
and upward or downward.
4
3
Z
201