Mercedes Benz 2008 c300 Manuale Utente

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265
Controls in detail
3-zone automatic climate control* (Canada only)
Rear window defroster
Activating: Switch on the ignition.
Press button
¯ (
The indicator lamp in the button comes 
on.
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.
!
The rear window defroster uses a large 
amount of power. To keep battery drain to a min-
imum, switch off the defroster as soon as the 
rear window is clear.
i
The rear window defroster is automatically 
deactivated after some time of operation de-
pending on the outside temperature.
Warning!
G
Any accumulation of snow and ice should be 
removed from the rear window before driv-
ing. Visibility could otherwise be impaired, 
endangering you and others.
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 
page 267) is activated, or 
press button
y.