Mercedes-Benz 2007 E -Class Wagon Operator's Manual page 222

Adjusting air distribution
Push the slider for the left center air
vent 1 or right center air vent 2 to
the left, right, up or down.
The air flow is directed in the corre-
sponding direction.
i
For draft-free ventilation, move the sliders
for the center air vents 1 and 2 upward.
Adjusting air volume
Turn thumbwheel 3 or 4 up or down.
The air volume is increased or
decreased.
Controls in detail
Dual-zone automatic climate control
221