Mercedes-Benz E-Class Coupe 2021 Operator's Manual page 138

136 Climate control
If the windows continue to fog up: press the
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¬ button.
Windows fogged up on the outside
Switch on the windshield wipers.
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Press the à button.
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Switching air-recirculation mode on/off
Press the g button.
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The interior air will be recirculated.
Air-recirculation mode automatically switches to
fresh air mode after some time.
% If air-recirculation mode is switched on, the
windows may fog up more quickly. Switch on
air-recirculation mode only briefly.
Switching the residual heat on or off
Requirements:
The vehicle is parked.
R
It is possible to make use of the residual heat
from the engine to continue heating or ventilat‐
ing the front compartment of the vehicle for
approximately 30 minutes.
To switch on: press the ! button.
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Residual heat is switched off automatically.
Activating/deactivating ionization
Ionization improves the quality of the vehicle's
interior air. Ionization of the interior air is odor‐
less.
Call up the air conditioning menu
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( page 134).
/
Select Air Quality.
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Select IONIZATION.
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Fragrance system
Setting the fragrance system
Requirements:
Automatic climate control is activated.
R
The glove box is closed.
R
The fragrance system distributes a pleasant fra‐
grance throughout the vehicle interior from a fla‐
con located in the glove box.
Call up the climate control menu
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( page 134).
/
Select Air Quality.
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Select AIR FRESHENER.
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Keep pressing until the desired intensity is
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reached.
Inserting or removing the flacon of the fra‐
grance system
& WARNING Risk of injury from liquid per‐
fume
If children open the flacon, they could drink
the liquid perfume or it could come into con‐
tact with their eyes.
Do not leave children unattended in the
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vehicle.
Consult a doctor immediately if liquid
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perfume has been drunk.