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201
Controls in detail
Automatic climate control (CLK 500/CLK 55 AMG)
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.
Activating
̈ Press button , (୴ page 195).
The indicator lamp on the button
comes on.
Warning! G
When the outside temperature is
below 41°F (5°C), only switch to air
recirculation mode for short periods to
prevent window fogging.
Window fogging may impair visibility and
endanger you and others.
i
If you keep button , pressed, the
side windows and tilt/sliding sunroof*
will close.
Warning G
Never operate the side windows and the
tilt/sliding sunroof* 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. The
closing of the tilt/sliding sunroof* can be
immediately halted by releasing the ,
button or by moving the tilt/sliding sunroof*
switch in the overhead control panel in any
direction.
i
The air recirculation mode is activated
automatically:
ț at high outside temperatures
ț if the concentration of carbon mon-
oxide and nitrogen oxide in the out-
side air increases, for example in a
tunnel (charcoal filter must be
activated for the air recirculation
mode to be activated automatically)
The indicator lamp on the , button
is not lit when the air recirculation
mode is automatically switched on.
After approx. 30 minutes, outside air is
added to the air inside the vehicle.
If you have turned off the air
conditioning (
୴ page 204) or the out-
side temperature is below 41°F (5°C),
the air recirculation mode will not
switch on automatically.