Mercedes-Benz 2008 R 320 CDI 4MATIC Operator's Manual page 239

Controls in detail
3-zone automatic climate control*
Adjusting air distribution
Use the air distribution controls 3 or 5
to adjust the air distribution for the rear
passenger compartment.
The symbols on the controls represent the
following functions:
Symbol Function
Z
Directs air to the center air
vents
Y
Directs air to the footwells and
the side air vents
Adjusting manually
Press the desired air distribution con-
trol.
The indicator lamp on button U
goes out.
238
Adjusting automatically
Press button U.
The indicator lamp on the button
comes on. The air distribution is ad-
justed automatically.
Setting the temperature
Use temperature control a ( page 236)
to separately adjust the air temperature of
the rear passenger compartment.
You should raise or lower the temperature
setting in small increments, preferably
starting at 72°F (22°C). The automatic
climate control will adjust to the set
temperature as fast as possible.
i
The rear automatic climate control will not
cool the air when the air conditioning is switched
off ( page 234).
Increasing the temperature
Turn temperature control a
( page 236) slightly clockwise.
The rear automatic climate control will
correspondingly adjust the interior air
temperature for the rear passenger
compartment.
Decreasing the temperature
Turn temperature control a
( page 236) slightly counterclock-
wise.
The rear automatic climate control will
correspondingly adjust the interior air
temperature for the rear passenger
compartment.