2013 MERCEDES-BENZ E-Class SEDAN Climate control

Useful information ............................
138
Overview of climate control sys-
tems ................................................... 138
Operating the climate control sys-
tems ................................................... 142
Setting the air vents ......................... 148 137Climate control

Useful information
i This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible.
Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i Read the information on qualified
specialist workshops: ( Y page 25).Overview of climate control systems
Important safety notes
G
WARNING
Observe the settings recommended on the
following pages. The windows could
otherwise

fog up. This could prevent you from
observing the traffic conditions, thereby
causing an accident. G
WARNING
Severe conditions (e.g. strong air pollution)
may require replacement of the filter before
its

scheduled replacement interval. A clogged
filter will reduce the air volume to the interior
and the windows could fog up, impairing
visibility and endangering you and others.
Have a clogged filter replaced as soon as
possible at a qualified specialist workshop.
Climate control regulates the temperature
and the humidity in the vehicle interior and
filters undesirable substances out of the air.
Climate control is only operational when the
engine is running. The system only works
optimally when the side windows and the roof
are closed.
The residual heat function can only be
activated or deactivated with the ignition
switched off (Y page 147). i
Ventilate the vehicle for a brief period
during warm weather, e.g. using the
convenience opening feature ( Y page 94).
This will speed up the cooling process and
the desired vehicle interior temperature
will be reached more quickly.
i The integrated filter can filter out most
particles

of dust, and completely filters out
pollen. A clogged filter reduces the amount
of air supplied to the vehicle interior. For
this reason, you should always observe the
interval for replacing the filter, which is
specified in the Maintenance Booklet.
Since the replacement interval depends on
environmental conditions, e.g. heavy air
pollution, the interval may be shorter than
stated in the Maintenance Booklet.
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. 138
Overview of climate control systems
Climate control

Control panel for dual-zone climate control
Canada only
:
Activates/deactivates air-recirculation mode (Y page 147)
; Defrosts the windshield ( Y page 145)
= Switches the ZONE function on/off ( Y page 145)
? Display
A Sets climate control to automatic (Y page 143)
B Activates/deactivates cooling with air dehumidification ( Y page 143)
C Switches the rear window defroster on/off( Y page 147)
D Switches climate control on/off ( Y page 142)
E Sets the temperature, right ( Y page 144)
F Sets the air distribution (Y page 145)
G Sets the airflow ( Y page 145)
H Sets the temperature, left ( Y page 144)USA only
:
Sets climate control to automatic (Y page 143)
; Defrosts the windshield ( Y page 145)
= Switches the ZONE function on/off ( Y page 145)
? Activates/deactivates air-recirculation mode (Y page 147)
A Switches maximum cooling MAX COOL on/off ( Y page 146)
B Activates/deactivates cooling with air dehumidification ( Y page 143)Overview of climate control systems
139Climate control Z

C
Switches the rear window defroster on/off( Y page 147)
D Switches climate control on/off ( Y page 142)
E Sets the temperature, right ( Y page 144)
F Sets the air distribution (Y page 145)
G Sets the airflow ( Y page 145)
H Sets the temperature, left ( Y page 144)
I Display Information about using automatic
climate control
The following contains notes and
recommendations on optimum use of
automatic climate control.
R Activate
climate control using the à and
¿ buttons. The indicator lamps above
the à and ¿ buttons light up.
R Set the temperature to 72 ‡ (22 †).
R Only use the "defrosting" function briefly
until the windshield is clear again.
R Only use "air-recirculation" mode briefly,
e.g. if there are unpleasant outside odors
or when in a tunnel. The windows could
otherwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
R Use the ZONE function to adopt the
temperature settings on the driver's side
for the front-passenger side as well. The
indicator lamp above the á button goes
out. 140
Overview of climate control systems
Climate control

Control panel for 3-zone automatic climate control
Canada only
Front control panel
: Sets climate control to automatic (Y page 143)
; Defrosts the windshield ( Y page 145)
= Switches the ZONE function on/off ( Y page 145)
? Display
A Activates/deactivates air-recirculation mode (Y page 147)
B Activates/deactivates the residual heat function (Y page 147)
C Activates/deactivates cooling with air dehumidification ( Y page 143)
D Switches the rear window defroster on/off( Y page 147)
E Switches climate control on/off ( Y page 142)
F Sets the temperature, right ( Y page 144)
G Sets climate control to automatic (FOCUS/MEDIUM/DIFFUSE) ( Y page 143)
H Sets the airflow ( Y page 145)
I Sets the air distribution (Y page 145)
J Sets the temperature, left ( Y page 144)

Rear control panel
K Increases the temperature (Y page 144)
L Display
M Increases the airflow ( Y page 145) Overview of climate control systems
141Climate control Z

N
Reduces the airflow ( Y page 145)
O Reduces the temperature ( Y page 144)Information about using 3-zone
automatic climate control
The following contains instructions and
recommendations to enable you to get the
most out of your automatic climate control.
R Activate
climate control using the à and
¿ buttons. The indicator lamps above
the à and ¿ buttons light up.
R In automatic mode, you can also use the
ñ button to set a climate mode
(FOCUS/MEDIUM/DIFFUSE). The
MEDIUM level is recommended.
R Set the temperature to 72 ‡ (22 †).
R Only use the "defrosting" function briefly
until the windshield is clear again.
R Only use "air-recirculation" mode briefly,
e.g. if there are unpleasant outside odors
or when in a tunnel. The windows could
otherwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
R Use the ZONE function to adopt the
temperature settings on the driver's side
for the front-passenger side and the rear
compartment as well. The indicator lamp
above the á button goes out.
R Use the residual heat function if you want
to heat or ventilate the vehicle interior
when the ignition is switched off. The
"residual heat" function can only be
activated or deactivated with the ignition
switched off. Operating the climate control
systems
Activating/deactivating climate
control
Points to observe before use G
WARNING
When the climate control system is
deactivated, the outside air supply and
circulation are also deactivated. Only choose
this setting for a short time. Otherwise the
windows

could fog up, impairing visibility and
endangering you and others.
i Switch on climate control primarily using
the à button ( Y page 143).
Activating/deactivating X
Turn the SmartKey to position 2 in the
ignition lock.
X To switch on: press the à button.
The indicator lamp above the à button
lights

up. Airflow and air distribution are set
to automatic mode.
or
X Press the ^ button.
The indicator lamp above the ^ button
goes out. The previously selected settings
are restored.
X To switch off: press the ^ button.
The indicator lamp above the ^ button
lights up. 142
Operating the climate control systems
Climate control

Activating/deactivating cooling with
air dehumidification
Points to observe before use G
WARNING
If you switch off the cooling function, the
vehicle will not be cooled when weather
conditions
are warm. The windows can fog up
more quickly. This may prevent you from
observing the traffic conditions, thereby
causing an accident.
The cooling with air dehumidification function
is only available when the engine is running.
The air inside the vehicle is cooled and
dehumidified according to the temperature
selected.
Condensation may drip from the underside of
the vehicle when it is in cooling mode. This is
normal and not a sign that there is a
malfunction.
i The cooling with air dehumidification
function uses refrigerant R134a. This
coolant does not contain
chlorofluorocarbons, and therefore does
not damage the ozone layer.
Activating/deactivating X
To activate: press the ¿ button.
The indicator lamp above the ¿ button
lights up.
X To deactivate: press the ¿ button.
The indicator lamp above the ¿ button
goes out. The cooling with air
dehumidification function has a delayed
switch-off feature. Problems with the cooling with air
dehumidification function When you press the
¿ button, the
indicator lamp in the button flashes three
times

or remains off. You can no longer switch
on the cooling with air dehumidification
function.
X Visit a qualified specialist workshop. Setting climate control to automatic
G
WARNING
If you switch off the cooling function, the
vehicle will not be cooled when weather
conditions

are warm. The windows can fog up
more quickly. Window fogging may impair
visibility and endanger you and others.
In automatic mode, the set temperature is
maintained automatically at a constant level.
The system automatically regulates the
temperature of the dispensed air, the airflow
and the air distribution.
Automatic mode will achieve optimal
operation if cooling with air dehumidification
is also activated. If desired, cooling with air
dehumidification can be deactivated.
X Turn the SmartKey to position 2 in the
ignition lock.
X Set the desired temperature.
X To activate: press the à button.
The indicator lamp above the à button
lights up. Automatic air distribution and
airflow are activated.
i 3-zone automatic climate control: when
automatic mode is activated, you can
select a climate mode setting
(Y page 144).
X To deactivate: press the air distribution
button.
Dual-zone

automatic climate control: press
button F(Y page 139). Operating the climate control systems
143
Climate control Z

3-zone automatic climate control: press
button
I(Y page 141).
The indicator lamp above the à button
goes out.
or
X Press the airflow button.
Dual-zone
automatic climate control: press
button G(Y page 139).
3-zone automatic climate control: press
button H(Y page 141).
The indicator lamp above the à button
goes out. Adjusting the climate mode settings
You can select the following climate mode
settings in automatic mode:
FOCUS high airflow that is set slightly cooler
MEDIUM medium airflow, standard setting
DIFFUSE low airflow that is set slightly warmer and with less draft
X Turn the SmartKey to position 2 in the
ignition lock.
X Press the à button.
X Press button G
up or down and select the
desired level ( Y page 141)Setting the temperature
Climate control Different temperatures can be set for the
driver's and front-passenger sides.
X
Turn the SmartKey to position 2 in the
ignition lock.
X To increase/reduce: press switch E or
H up or down ( Y page 139).
Only change the temperature setting in
small increments. Start at

72 ‡ (22 † ).3-zone automatic climate control
Automatic climate control zones
You

can select different temperature settings
for the driver's and front-passenger sides as
well as for the rear compartment.
X Turn the SmartKey to position 2 in the
ignition lock.
X To increase/reduce the temperature in
the front compartment: press switch F
or J up or down ( Y page 141).
Only change the temperature setting in
small increments. Start at

72 ‡ (22 † ).
X To increase/reduce the temperature in
the rear compartment using the front
control panel: press the á button.
The indicator lamp above the á button
goes out.
X Press switch F or J up or down
(Y page 141).
Only change the temperature setting in
small increments. Start at

72 ‡ (22 † ).
X To increase/reduce the temperature in
the rear compartment using the rear
control panel: press button K or
O(Y page 141).
Only change the temperature setting in
small increments. Start at

72 ‡ (22 † ).144
Operating the climate control systems
Climate control