Important Safety Notes - Mercedes-Benz CLS Operator's Manual

X
Turn the SmartKey to position 2 in the
ignition lock.
X
To activate: press the g button.
The indicator lamp in the g button lights
up.
i In the event of high pollution levels
high outside temperatures, air-
recirculation mode is automatically
activated. When air-recirculation mode is
activated automatically, the indicator lamp
above the g button does not light up.
Outside air is added after about
30 minutes.
X
To deactivate: press the g button.
The indicator lamp in the g button goes
out.
Air-recirculation mode deactivates
i
automatically:
after approximately five minutes at
R
outside temperatures below
approximately 41 ‡ (5 †)
after approximately five minutes if
R
cooling with air dehumidification is
deactivated
after approximately 30 minutes at
R
outside temperatures above
approximately 41 ‡ (5 †)
Activating/deactivating the residual
heat function
The residual heat function is only available in
vehicles for Canada with automatic climate
control.
It is possible to make use of the residual heat
of the engine to continue heating the
stationary vehicle for up to 30 minutes after
the engine has been switched off. The heating
time depends on the temperature that has
been set.
1 Automatic climate control only.
X
To activate: press the Ì button.
The indicator lamp in the Ì button lights
up.
i The blower will run at a low speed
regardless of the airflow setting.
1
or at
i If you activate the residual heat function
at high temperatures, only the ventilation
will be activated. The blower runs at
medium speed.
X
To deactivate: press the Ì button.
The indicator lamp in the Ì button goes
out.
i It is possible that the residual heat
function may be activated automatically an
hour after the SmartKey is removed. The
vehicle is then ventilated for 30 minutes to
dry the air-conditioning system.
Residual heat is deactivated automatically:
after approximately 30 minutes
R
when the ignition is switched on
R
if the battery voltage drops
R
Setting 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
vents. 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 windshield
R
and the hood free of blockages, such as ice,
snow or leaves.
never cover the air vents or air intake grilles
R
in the vehicle interior.
Setting the air vents
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