Mercedes-Benz 2009 C-Class Operator's Manual page 214

Controls in detail
Climate control system
Function
2 AC cooling on/off
4
y Front defroster
5
Temperature control, passenger side
6
, Air recirculation
7
¯ Rear window defroster
8
Q Increasing air volume
9
ß Decreasing air volume
a
Display
b
Z Air distribution
c
U Air distribution and air volume (automatic mode)
d
212
Recommendation/Notes
i
Switches on the air conditioning. The indicator lamp
in button 2 comes on.
i Keep this setting selected only until the windshield
or the side windows are clear again.
i Set the temperature to 72‡ (22†).
i
Only use this function for a short time, e.g. in a
tunnel. Otherwise, the windows can fog up due to lack
of fresh air.
i At very low temperatures, rear window defroster
operation is delayed until the vehicle interior has
warmed up.
i Switches on the automatic mode. The indicator
lamp in button U comes on.
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Y
( page 222)
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Y
( page 220)
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