Air Recirculation; Dust Filter - Mercedes-Benz 2003 E -Class Wagon Operator's Manual

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 car's interior.
To select, press O button.
To cancel, press O button again.
The system will automatically switch from recirculated
air to fresh air
• after approximately 5 minutes at outside
temperatures below approximately 41 F (5 C),
• after approximately 30 minutes, at outside
temperatures above approximately 41 F (5 C),
• after approximately 5 minutes, if button S is
pressed.
If the windows should fog up from the inside, switch
from recirculated air back to fresh air.
At high outside temperatures, the system automatically
engages the recirculated air mode thereby increasing
the cooling capacity performance, switching to partially
fresh air within 30 minutes.
Automatic climate control
Instruments
Operation
and controls
Instrument
Driving
cluster display

Dust filter

Nearly all dust particles and pollen are filtered out
before outside air enters the passenger compartment
through the air distribution system.
Notes:
Do not obstruct the air flow by placing objects on the air
flow through exhaust slots below the rear window.
Also keep the air intake grille in front of windshield free
of snow and debris.
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