Adjusting Air Volume - Mercedes-Benz SL 500 Operator's Manual

Decreasing
Turn the outer adjustment ring slightly
to the left.
The automatic climate control system
will correspondingly adjust the interior
air temperature.
Adjusting the temperature for center
and side air vents
When outside temperatures are low, you
can manually raise the air temperature for
the center and side air vents. The
controls 3 are located between the cen-
ter air vents ( page 170).
Turning on warm air
Press the left button (red).
The indicator lamp on the button
comes on. Warm air will enter from the
center and side air vents.
Turning off warm air
Press the left button (red).
The indicator lamp on the button goes
out. The air from the outlets will return
to the temperature set in the system.
Turning on cooler air
Press the right button (blue).
The indicator lamp on the button
comes on. Cooler air will enter from the
center and side air vents.
Turning off cooler air
Press the right button (blue).
The indicator lamp on the button goes
out. The air from the outlets will return
to the temperature set in the system.
Controls in detail
Automatic climate control

Adjusting air volume

Use air volume control a ( page 171) for
both automatic and manual air volume ad-
justment.
Adjusting manually
Press the control knob.
The U light on the control knob
goes out. You can now select one of
nine air volume settings.
Adjusting automatically
Press the control knob.
The U light on the control knob
comes on. The airflow is adjusted auto-
matically.
173