Mercedes-Benz 2006 SL 500 Operator's Manual page 189

Controls in detail
Automatic climate control
Activating
Briefly press button ,
( page 181).
The indicator lamp on the button
comes on.
i
The air recirculation mode is activated
automatically
at high outside temperatures
if the concentration of carbon mon-
oxide and nitrogen oxide in the out-
side air increases, for example in a
tunnel
The indicator lamp on button , is
not lit when the air recirculation mode
is automatically switched on.
A quantity of outside air is added after
approximately 30 minutes.
188
Warning!
Never operate the side windows 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.
i
Press and hold button ,. The win-
dows will close.
The closing of the windows can be im-
mediately halted by releasing
button ,.
Deactivating
G
Briefly press button ,
( page 181).
The indicator lamp on the button goes
out.
i
The air recirculation mode is deactivat-
ed automatically
after five minutes if the outside
temperature is below approximate-
ly 41°F (5°C)
after five minutes if the air condi-
tioner is turned off
after 30 minutes if the outside tem-
perature is above approximately
41°F (5°C)