Mercedes-Benz C-class Operator's Manual page 161

Instruments
Operation
and controls
Automatic climate control
Defrosting
Windows fogged up on the inside
Press the P button. The indicator lamp in the button
illuminates.
Switch off air recirculation, if selected. Press
button O, the indicator lamp in the button will go
out.
The fan is set to a higher speed and the warm air is
directed to the defroster and windshield air outlets.
Pressing the switch again returns the system to the
previous setting.
Instrument
Driving
cluster display
Practical hints Car care
152
Windshield fogged up on the outside
Switch on the windshield wiper.
Close air outlet on dashboard top center (7, page 146).
Switch to manual mode.
Turn air distribution control switch to position h
or k.
Technical
Index
data