Mercedes-Benz R-Class 2009 Owners Manual - Manual (Page 179)

Overview of climate control system functions and air vents
177
Rear center console air vents
1 Rear climate control panel
2 Right rear center air vent, adjustable
3 Left rear center air vent, adjustable
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.
B-pillar air vents
Vehicles with 3-zone automatic climate control
(second row) only
1
Side air vent, adjustable
2 Thumbwheel for air volume control
X Opening/closing: Turn thumbwheel 2 to
the left or to the right.
Air vents below rear quarter windows
Vehicles with 3-zone automatic climate control
(second and third row) only
1
Defrost air vent for rear quarter window,
fixed
2 Air vent, adjustable
3 Thumbwheel for air volume control
X Opening/closing: Turn thumbwheel 3
upward or downward.
Controls in detail
Z