Air Recirculation Mode - Mercedes-Benz 2004 CLK-Class Cabriolets Operator's Manual

Controls in detail
Automatic climate control

Air recirculation mode

Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside. This setting cuts off the
intake of outside air and recirculates the
air in the passenger compartment.
Warning!
When the outside temperature is below
41°F (5°C), only switch to air recirculation
mode for short periods to prevent window
fogging.
178
Activating
Press button , ( page 173).
The indicator lamp on the button
comes on.
i
If you keep button , pressed, the
side windows will close.
G
Warning
Never operate the side windows if there is
the possibility of anyone being harmed by
the closing procedure.
In the event that the procedure causes po-
tential danger, the closing of the side win-
dows can be immediately halted by
releasing the , button or by pressing or
pulling the respective window switch.
i
The air recirculation mode is activated
automatically:
at high outside temperatures
if the concentration of carbon mon-
oxide and nitrogen oxide in the out-
side air increases, for example in a
tunnel
Please note that the charcoal filter
G
must be activated ( page 179) for the
air recirculation mode to be activated
automatically.
If you have turned off the air condition-
ing system ( page 181) or the outside
temperature is below 41°F (5°C), the
air recirculation mode will not switch
on automatically.