Mercedes-Benz 2009 R-Class Operator's Manual page 179

Rear center console air vents
Rear climate control panel
1
Right rear center air vent, adjustable
2
Left rear center air vent, adjustable
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
B-pillar air vents
Vehicles with 3-zone automatic climate control
(second row) only
Side air vent, adjustable
1
Thumbwheel for air volume control
2
X
Opening/closing: Turn thumbwheel
the left or to the right.
Controls in detail
Air vents below rear quarter windows
Vehicles with 3-zone automatic climate control
(second and third row) only
Defrost air vent for rear quarter window,
1
fixed
Air vent, adjustable
2
to
2
Thumbwheel for air volume control
3
X
Opening/closing: Turn thumbwheel
upward or downward.
3
Z
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