Mercedes-Benz 2005 E -Class Wagon Operator's Manual page 206

i
The air recirculation mode is activated
automatically at high outside tempera-
tures.
If you have turned off the air condition-
ing ( page 206) or the outside
temperature is below 41°F (5°C), the
air recirculation mode will not switch
on automatically.
Deactivating
Press button O ( page 198) or
( page 199).
The indicator lamp on the button goes
out.
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If you keep button O pressed, the
side windows and tilt/sliding sunroof*
will return to their previous position.
Controls in detail
Dual-zone automatic climate control
The air recirculation mode is deactivated
automatically:
after five minutes if the outside temper-
ature is below approximately 41°F
(5°C)
after five minutes if the air conditioning
is turned off
after 30 minutes if the outside temper-
ature is above approximately 41°F
(5°C)
At outside temperatures above 79°F
(26°C), the system will not automatically
switch back to outside air. A quantity of
outside air is added after approximately
30 minutes.
205