Mercedes-Benz 2004 C 320 Sport Automobile User Manual


 
168
Controls in detail
Automatic climate control*
Deactivating
̈ Press button O ( page 163).
The indicator lamp on the button goes
out.
The air recirculation mode is deactivated
automatically:
ț after five minutes if the outside
temperature is below
approximately 41°F (5°C)
ț after five minutes if the air conditioning
is turned off
ț 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 automatically
switch back to outside air. A quantity of
outside air is added after approximately
30 minutes.
i
If you keep button O pressed, the
side windows and the sliding/pop-up
roof* will close.
Warning! G
Never operate the side windows and the
sliding/pop-up roof* if there is the
possibility of anyone being harmed by the
closing procedure.
In the event that the closing procedure
causes potential danger, the closing of the
side windows can be immediately halted by
pressing or pulling the respective window
switch. The closing of the sliding/pop-up
roof* can be immediately halted by moving
the sliding/pop-up roof* switch in the
overhead control panel in any direction.
The closing of the side windows and
sliding/pop-up roof* can be reversed by
again pressing and holding the O button.
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 activated)
Please note that the charcoal filter
must be activated (
page 169) for
the air recirculation mode to be
activated automatically.
If you have turned off the air
conditioning (
page 170) or the out-
side temperature is below 41°F (5°C),
the air recirculation mode will not
switch on automatically.
i
If you keep button O pressed, the
side windows and the sliding/pop-up
roof* will return to their previous
position.