Air Recirculation - Mercedes-Benz 2002 M-Class Operator's Manual

Instruments
Operation
and controls
Automatic climate control

Air recirculation

This mode can be selected to temporarily reduce the
entry of annoying odors or dust into the vehicle's
interior.
Outside air is not supplied to the vehicles's interior.
To select, press briefly O button. The indicator lamp
in button lights up.
To cancel, press briefly O button again. The indicator
lamp in button goes out.
The system automatically switches from air
recirculation to fresh air, after:
• approx. 30 minutes, when the automatic climate
control switched on,
• approx. 5 minutes, when the automatic climate
control switched off.
• approx. 5 minutes, if the outside temperature is
below 45˚F (7˚C).
If the windows should fog up from the inside, switch
from recirculated air back to fresh air.
Instrument
Driving
cluster display
116
Practical hints Car care
Note:
To achieve the fastest possible cooling of the interior, the
automatic climate control automatically switches to air
recirculation.
The indicator lamp in the O button is not illuminated
when the system automatically switches to air
recirculation.
Technical
Index
data