Mercedes-Benz 2009 R-Class Operator's Manual page 198

Controls in detail
3-zone automatic climate control
Rear temperature with rear climate
control panel
X
Increasing/decreasing: Turn
temperature control ( Y page 192)
2
slightly clockwise or counterclockwise.
Adjusting air distribution
USA only
The air distribution can be adjusted manually.
The symbols on the buttons represent the
following functions:
Symbol Function
{ Directs air to the windshield and
side air vents
Directs air through the center
a
and side air vents
Directs air to the footwells and
Y
side air vents
196
X
Press the desired air distribution button
{, a, or Y.
The automatic mode is switched off. The
indicator lamp in the desired button comes
on.
Canada only
The air distribution can be adjusted
separately on each side of the passenger
compartment.
The symbols on the buttons represent the
following functions:
Symbol Symbol Function
Driver's Passenger
side side
Directs air to
6 Z
the windshield
and side air
vents
7 Directs air
a
through the
center, side
and rear
passenger
compartment
air vents
8 Directs air to
Y
the footwells
and side air
vents
X
Press the desired air distribution button
6, 7, or for the driver's side,
8
or Z, a, or for the passenger
Y
side.
The automatic mode is switched off. The
indicator lamp in the desired button comes
on.