Activated Charcoal Filter - Mercedes-Benz CL 55 AMG Operator's Manual

The system automatically switches from air
recirculation to fresh air:
• after 30 minutes if the outside temperature is above
about 40 ° F (5 ° C),
• after 5 minutes if the outside temperature is below
about 40 ° F (5 ° C),
• after 5 minutes if economy mode AC
The system switches automatically to air recirculation at
high outside temperatures. A quantity of outside air is
added after a maximum of 30 minutes.
Important!
If the windows should fog up from the inside, switch
from recirculated air back to fresh air.
Automatic climate control
Instruments
Operation
and controls
OFF
is selected.
Instrument
Driving
cluster display

Activated charcoal filter

An activated charcoal filter markedly reduces bad odors
and removes pollutants from air entering the passenger
compartment.
Select activated charcoal filter:
The indicator lamp in the e button is not
illuminated.
Press e button briefly. The indicator lamp in the
button illuminates.
Switch off activated charcoal filter:
The indicator lamp in the e button is illuminated.
Press e button briefly. The indicator lamp in the
button goes out.
The system switches automatically to the air
recirculation mode, if the carbon monoxide (CO) or
nitrogen oxides (NO ) concentration of the outside air
X
increases beyond a predetermined level.
The automatic air recirculation mode does not function
OFF
if economy mode AC is selected or if the outside
temperature has fallen below 40 ° F (5 ° C).
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