Mercedes-Benz C-Class 2008 Owners Manual - Manual (Page 258)

257
Controls in detail
Dual-zone automatic climate control
̈ Deactivating: Press button ¯
( ୴ page 250).
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 ,
( ୴ page 250).
The indicator lamp in the button comes
on.
̈ Deactivating: Press button ,
( ୴ page 250) again.
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 ( ୴ page 258) is activated, or
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:
ț after 5 minutes if the outside temperature is
below approximately 41°F (5°C)
ț after 5 minutes if the air conditioning is
turned off
ț after 30 minutes if the outside temperature
is above approximately 41°F (5°C)