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Controls in detail
Automatic climate control (CLK 500)
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 197).
The indicator lamp on the button
comes on.
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 206) is activated, or
press button P or 0.
i
The air recirculation mode is activated
automatically at high outside tempera-
tures.
The indicator lamp on the button ,
is not lit when the air recirculation
mode is automatically switched on.
A quantity of outside air is added after
approximately 30 minutes.
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
If you press and hold button ,, the
side windows and tilt/sliding sunroof*
will close.