Mercedes-Benz B-Class 2011 Owner's Manual page 125

Adjusting the air vents
122
dows and the panorama sliding sunroof are
closed.
The indicator lamp in the e button lights
up. Air-recirculation mode is activated.
Convenience opening feature: press and
X
hold the e button until the side win-
dows and the panorama sliding sunroof
have opened. The side windows and the
panorama sliding sunroof move back to
their original position.
The indicator lamp in the e button goes
out. Air-recirculation mode is deactivated.
i
If you open the side windows or the pan-
orama sliding sunroof manually after clos-
ing with the convenience closing feature,
they will remain in this position when
opened using the convenience opening fea-
ture.
Activating/deactivating the residual
heat function
The residual heat function is only available
with THERMOTRONIC automatic climate con-
trol.
It is possible to make use of the residual heat
of the engine to continue heating the station-
ary vehicle for up to 30 minutes after the
engine has been switched off. The heating
time depends on the temperature that has
been set.
i
The blower will run at a low speed regard-
less of the airflow setting.
i
If you activate the residual heat function
at high temperatures, only the ventilation
will be activated. The blower runs at
medium speed.
i
It is possible that the residual heat func-
tion may be activated automatically an hour
after the key has been removed. The vehi-
cle is then ventilated for 30 minutes to dry
the air-conditioning system.
Turn the key to position 0 in the ignition
X
lock or remove it.
To activate: press the Ì button.
X
The indicator lamp in the Ì button lights
up.
To switch off: press the Ì button.
X
The indicator lamp in the Ì button goes
out.
i
Residual heat is deactivated automati-
cally:
after about 30 minutes
R
when the ignition is switched on
R
if the battery voltage drops
R
if the coolant temperature is too low
R
Adjusting the air vents
Important safety notes
G WARNING
Very hot or very cold air can flow from the air
vents. This could cause burns or frostbite to
bare skin in the immediate vicinity of the
vents. Keep bare skin away from these air
outlets. If necessary, direct the airflow away
to a different area of the vehicle interior.
In order to ensure the direct flow of fresh air
through the air vents into the vehicle interior,
please observe the following notes:
keep the air inlet between the windscreen
R
and the bonnet free of blockages, such as
ice, snow or leaves.
never cover the vents or ventilation grilles
R
in the vehicle interior.
i
You can move the adjusters for the air
vents vertically or horizontally, to set the
direction of the airflow.
i
Optimal climate control function is ach-
ieved by opening the air vents fully and set-
ting the adjusters to the middle position.