Mercedes Benz 2008 c300 Manuale Utente

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Controls in detail
Dual-zone automatic climate control
Deactivating: Press button
¯ 
The indicator lamp in the button goes 
out.
Air recirculation mode
Switch to air recirculation mode to prevent 
unpleasant odors from entering the vehicle 
from the outside (e.g. before driving 
through a tunnel). This setting cuts off the 
intake of outside air and recirculates the 
air in the passenger compartment.
Activating: Press button
, 
The indicator lamp in the button comes 
on.
Deactivating: Press button
, 
The indicator lamp in the button goes 
out.
i
The rear window defroster is automatically 
deactivated after some time of operation de-
pending on the outside temperature.
i
If the rear window defroster switches off too 
soon and the indicator lamp goes out, this indi-
cates that too many electrical consumers are op-
erating simultaneously and the load on the 
battery is reducing available voltage. The system 
responds automatically by deactivating the rear 
window defroster.
Warning!
G
Fogged windows impair visibility, endanger-
ing you and others. If the windows begin to 
fog on the inside, switching off the air 
recirculation mode immediately should clear 
interior window fogging. If interior window 
fogging persists, make sure the air 
conditioning (
press button
y.
i
The air recirculation mode is activated auto-
matically at high outside temperatures.
The indicator lamp in button
, is not lit when 
the air recirculation mode is automatically 
switched on.
A quantity of outside air is added after approxi-
mately 30 minutes.
i
The air recirculation mode is deactivated au-
tomatically:
after 5 minutes if the outside temperature is 
below approximately 41°F (5°C)
after 5 minutes if the air conditioning is 
turned off
after 30 minutes if the outside temperature 
is above approximately 41°F (5°C)