Mercedes-Benz 2008 R 320 CDI 4MATIC Operator's Manual page 233

Controls in detail
3-zone automatic climate control*
Deactivating
Press button : ( page 224).
The indicator lamp on the button goes
out.
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The air recirculation mode is deactivated
automatically
after 5 minutes if the outside temperature is
below approximately 41°F (5°C)
after 5 minutes if the air conditioning and
air-drying is turned off
after 30 minutes if the outside temperature
is above approximately 41°F (5°C)
At outside temperatures above
79°F (26°C) the system will not automati-
cally switch back to outside air. A quantity
of outside air is added after approximately
30 minutes.
232
Air recirculation mode with
convenience closing and opening
feature
Warning!
Never operate the windows and tilt/sliding
sunroof* or tilt/sliding panel* if there is the
possibility of anyone being harmed by the
opening or closing procedure.
In case the procedure causes potential
danger:
Vehicles with or without tilt/sliding
sunroof*: The closing of the windows can be
immediately halted by pressing or pulling
the respective window switch. The closing of
the tilt/sliding sunroof* can be immediately
halted by moving the switch for the
tilt/sliding sunroof* in any direction.
The closing of the windows and the
tilt/sliding sunroof* can be reversed by
again pressing and holding the : button.
Vehicles with panorama roof*: The closing
of the windows and tilt/sliding panel* can
be immediately halted by releasing
the : button.
G
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A window, the tilt/sliding sunroof*, or the
tilt/sliding panel* will only return to its previous
position if it has not been moved to another
position using the respective window switch or
tilt/sliding sunroof* (or tilt/sliding panel*)
switch after it was closed with button :.
Vehicles with tilt/sliding sunroof*
Convenience closing:
Press button : for approximately
2 seconds.
The windows and/or tilt/sliding
sunroof will close. You can release
button : once the closing proce-
dure has begun. The windows and
tilt/sliding sunroof continue closing
until they are fully closed. The indicator
lamp on the button comes on. The air
recirculation mode is activated.