Rear control panel
0071 Sets rear-compartment climate control to automatic (Y page 132)
0072 Directs the air distribution through the rear air vents (Y page 133)
0073 Switches the seat heating on the right-hand side on/off (Y page 106)
0074 Directs the air distribution through the footwell vents (Y page 133)
0075 Switches the rear climate control on/off (Y page 131)
0076 Switches the seat heating on the left-hand side on/off (Y page 106)Control panel for 3-zone automatic climate control
USA only
Front control panel
0043 Sets the temperature, left (Y page 132)
0044 Defrosts the windshield (Y page 133)
0087 Switches the maximum cooling MAX COOL on or off (Y page 134)
0085 Switches cooling with air dehumidification on/off (Y page 131)
0083 Switches the rear window defroster on/off (Y page 134)
0084 Sets the temperature, right (Y page 132)
006B Switches the ZONE function on/off (Y page 133)
006C Activates/deactivates climate control (Y page 131)
006D Sets the air distribution (Y page 133)
006E Increases the airflow (Y page 133)
006F Reduces the airflow (Y page 133)
0070 Display
0071 Adjusts the climate mode settings (Y page 132)
0072 Switches air-recirculation mode on/off (Y page 135)
0073 Sets climate control to automatic (Y page 132)
Rear control panel
0074 Increases the airflow (Y page 133)
0075 Sets the temperature (Y page 132) Overview of climate control systems
127Climate control
0076
Sets rear-compartment climate control to automatic (Y page 132)
0077 Directs the airflow through the rear air vents (Y page 133)
0078 Switches the seat heating on the right-hand side on/off (Y page 106)
0079 Directs the airflow through the footwell vents (Y page 133)
007A Switches the rear climate control on/off (Y page 131)
007B Reduces the airflow (Y page 133)
007C Switches the seat heating on the left-hand side on/off (Y page 106)Canada only
Front control panel
0043 Sets the temperature, left (Y page 132)
0044 Defrosts the windshield (Y page 133)
0087 Switches the residual heat on or off (Y page 135)
0085 Switches cooling with air dehumidification on/off (Y page 131)
0083 Switches the rear window defroster on/off (Y page 134)
0084 Sets the temperature, right (Y page 132)
006B Switches the ZONE function on/off (Y page 133)
006C Activates/deactivates climate control (Y page 131)
006D Sets the air distribution (Y page 133)
006E Increases the airflow (Y page 133)
006F Reduces the airflow (Y page 133)
0070 Display
0071 Adjusts the climate mode settings (Y page 132)
0072 Switches air-recirculation mode on/off (Y page 135)
0073 Sets climate control to automatic (Y page 132)
Rear control panel
0074 Increases the airflow (Y page 133)
0075 Sets the temperature (Y page 132)
0076 Sets rear-compartment climate control to automatic (Y page 132)
0077 Directs the airflow through the rear air vents (Y page 133)
0078 Switches the seat heating on the right-hand side on/off (Y page 106)128
Overview of climate control systemsClimate control
0079
Directs the airflow through the footwell vents (Y page 133)
007A Switches the rear climate control on/off (Y page 131)
007B Reduces the airflow (Y page 133)
007C Switches the seat heating on the left-hand side on/off (Y page 106)Control panel for 3-zone automatic climate control with additional rear
passenger compartment climate control USA only
Front control panel
0043 Sets the temperature, left (Y page 132)
0044 Defrosts the windshield (Y page 133)
0087 Switches the maximum cooling MAX COOL on or off (Y page 134)
0085 Switches cooling with air dehumidification on/off (Y page 131)
Switches the residual heat on or off (Y page 135)
0083 Switches the rear window defroster on/off (Y page 134)
0084 Sets the temperature, right (Y page 132)
006B Switches the ZONE function on/off (Y page 133)
006C Switches the rear climate control on/off (Y page 131)
006D Sets the air distribution (Y page 133)
006E Increases the airflow (Y page 133)
006F Reduces the airflow (Y page 133)
Switches off climate control
0070 Display
0071 Adjusts the climate mode settings (Y page 132)
0072 Switches air-recirculation mode on/off (Y page 135)
0073 Sets climate control to automatic (Y page 132)
Rear control panel
0074 Increases the airflow (Y page 133)
0075 Sets the temperature (Y page 132) Overvie
w of climate cont rol systems
129Climate control
0076
Sets rear-compartment climate control to automatic (Y page 132)
0077 Directs the airflow through the rear air vents (Y page 133)
0078 Directs the airflow through the footwell vents (Y page 133)
0079 Switches the rear climate control on/off (Y page 131)
007A Reduces the airflow (Y page 133)Canada only
Front control panel
0043 Sets the temperature, left (Y page 132)
0044 Defrosts the windshield (Y page 133)
0087 Switches the ZONE function on/off (Y page 133)
0085 Switches cooling with air dehumidification on/off (Y page 131)
Switches the residual heat on or off (Y page 135)
0083 Switches the rear window defroster on/off (Y page 134)
0084 Sets the temperature, right (Y page 132)
006B Switches the rear climate control on/off
006C Activates/deactivates climate control (Y page 131)
006D Sets the air distribution (Y page 133)
006E Increases the airflow (Y page 133)
006F Reduces the airflow (Y page 133)
0070 Display
0071 Adjusts the climate mode settings (Y page 132)
0072 Switches air-recirculation mode on/off (Y page 135)
0073 Sets climate control to automatic (Y page 132)
Rear control panel
0074 Increases the airflow (Y page 133)
0075 Sets the temperature (Y page 132)
0076 Sets rear-compartment climate control to automatic (Y page 132)
0077 Directs the airflow through the rear air vents (Y page 133)
0078 Directs the airflow through the footwell vents (Y page 133)130
Overview of climate control systemsClimate control
0079
Switches the rear climate control on/off (Y page 131)
007A Reduces the airflow (Y page 133)Optimum use of automatic climate
control
The following contains notes and recommenda-
tions on optimum use of the dual-zone auto-
matic climate control or 3-zone automatic cli-
mate control.
R You can switch on climate control by using the
0058 and005A or0058 and0056 buttons.
The indicator lamps in the 0058and
005A buttons or the 0058and0056 buttons
light up.
R Vehicles with 3-zone automatic climate
control: in automatic mode, you can also use
the 00F0 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 "Windshield 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 Vehicles with 3-zone automatic climate
control: use the ZONE function to adopt the
temperature settings on the driver's side for
the front-passenger side and the rear com-
partment as well. The indicator lamp above
the 00D6 button goes out.
R Vehicles with 3-zone automatic climate
control: use the "residual heat" function if
you want to heat or ventilate the vehicle inte- rior when the ignition is switched off. The
residual heat function can only be activated or
deactivated with the ignition switched off.
R If you change the settings of the climate con-
trol system, the climate status display
appears for approximately three seconds at
the bottom of the screen in the multimedia
system display. You will see the current set-
tings of the various climate control functions.
During automatic engine switch-off, the climate
control system only operates at a reduced capa-
city. If you require the full climate control output, you can switch off the ECO start/stop function
by pressing the ECO button (Y page 145). Operating the climate control sys-
tems
Activating/deactivating climate con-
trol
General notes When the climate control is switched off, the air
supply and air circulation are also switched off.
The windows could fog up. Therefore, switch off
climate control only briefly
Activate climate control primarily using the
0058 button (Y page 132).
In the rear compartment, you can also switch
climate control on and off using the 0058and
0078 buttons.
Activating/deactivating X
Turn the SmartKey to position 0048in the igni-
tion lock (Y page 140).
X To activate: press the0058button.
The indicator lamp in the 0058button lights
up. Airflow and air distribution are set to auto-
matic mode.
X To deactivate: press the0078button.
The indicator lamp in the 0078button lights
up. Switching cooling with air dehumidi-
fication on/off
Activating/deactivating X
To activate: press the005Aor0056 button.
The indicator lamp in the 005Aor0056 button
lights up.
X To deactivate: press the005Aor0056 but-
ton.
The indicator lamp in the 005Aor0056 button
goes out. The "Cooling with air dehumidifica-
tion" function has a delayed switch-off fea-
ture. Operating the climate control systems
131Climate control
The temperature setting for the driver's side
is adopted for the rear compartment and the
front-passenger side.
X Turn thumbwheel 0043to the left or right
(Y page 127).
Only change the temperature setting in small
increments. Start at 72 ‡ (22 †).
X To increase or decrease the rear compart-
ment temperature using the rear control
panel: turn control 0075counter-clockwise or
clockwise on the rear control panel
(Y page 127).
Only change the temperature setting in small
increments. Start at 72 ‡ (22 †). Setting the air distribution
Air distribution settings Front control panel
009C
Directs the airflow through the center
vents
009B Directs air through the footwell air vents
009F Directs the airflow through the center
and footwell vents
0061 Directs air through the defroster vents
0087 Directs the airflow through the defroster
and center vents (Canada only)
0086 Directs air through the defroster and
footwell vents
008F Directs the airflow through the defroster,
center and footwell air vents (Canada
only)
Rear control panel
0099 Directs the airflow through the rear cen-
ter and B-pillar air vents
009B Directs air through the footwell air vents
i Using the rear control panel, you can also
activate both air distribution positions simul-
taneously. In order to do this, press both air
distribution buttons. The air is then routed
through all rear air vents.
i Regardless of the air distribution setting,
airflow is always directed through the side air vents. The side air vents can only be closed
when the controls on the side air vents are
turned downwards. Setting X
Turn the SmartKey to position 0048in the igni-
tion lock (Y page 140).
X Press the 008Fbutton repeatedly until the
desired symbol appears in the display. Setting the airflow
X Turn the SmartKey to position 0048in the igni-
tion lock (Y page 140).
X To increase: press the0097button.
X To reduce: press the0095button.
i You can use 3-zone automatic climate con-
trol to set the airflow in the rear compartment
separately. Switching the ZONE function on/off
X To activate: press the00D6button.
The indicator lamp above the 00D6button
lights up.
Dual-zone automatic climate control: the tem-
perature setting for the driver's side is not
adopted for the front-passenger side.
3-zone automatic climate control: the tem-
perature setting for the driver's side is not
adopted for the front-passenger side and the rear compartment.
X To deactivate: press the00D6button.
The indicator lamp above the 00D6button
goes out.
Dual-zone automatic climate control: the tem-
perature setting for the driver's side is adop-
ted for the front-passenger side.
3-zone automatic climate control: the tem-
perature setting for the driver's side is adop-
ted for the front-passenger side and the rear
compartment. Defrosting the windshield
General notes You can use this function to defrost the wind-
shield or to clear a fogged up windshield or front
side windows on the inside.
Switch off the "Windshield defrosting" function
as soon as the windshield is clear again. Operating the climate control systems
133Climate control
Activating/deactivating
X
Turn the SmartKey to position 0048in the igni-
tion lock (Y page 140).
X To activate: press the0064button.
The indicator lamp in the 0064button lights
up.
The climate control system switches to the
following settings:
R high airflow
R high temperature
R air distribution to the windshield and front
side windows
R air-recirculation mode off
X To deactivate: press the0064button.
The indicator lamp in the 0064button goes
out. The previously selected settings are
restored. Air-recirculation mode remains
deactivated. MAX COOL maximum cooling
The MAX COOL function is only available in vehi-
cles for the USA.
MAX COOL is only operational when the engine is running.
X To activate: press the00C9button.
The indicator lamp in the 00C9button lights
up.
X To deactivate: press the00C9button.
The indicator lamp in the 00C9button goes
out. The previously selected settings are
restored.
When you activate MAX COOL, climate control
switches to the following functions: R maximum cooling
R maximum airflow
R air-recirculation mode on Removing condensation from the win-
dows
Windows fogged up on the inside X
Activate the 005Aor0056 cooling with air
dehumidification function.
X Activate automatic mode 0058.
X If the windows continue to fog up, activate the
"windshield defrosting" function
(Y page 133).
i You should only select this setting until the
windshield is clear again.
Windows fogged up on the outside X
Activate the windshield wipers.
X Press the 008Fbutton repeatedly until the
009C or009B symbol appears in the display.
i You should only select this setting until the
windshield is clear again.
i If you clean the windows regularly, they do
not fog up so quickly. Rear window defroster
General notes The rear window defroster has a high current
draw. You should therefore switch it off as soon
as the rear window is clear. Otherwise, the rear
window defroster switches off automatically
after several minutes.
If the battery voltage is too low, the rear window defroster may switch off.
Activating/deactivating X
Turn the SmartKey to position 0048in the igni-
tion lock (Y page 140).
X Press the 006Cbutton.
The indicator lamp in the 006Cbutton lights
up or goes out. 134
Operating the climate control systemsClimate cont
rol
Problems with the rear window defroster
Problem
Possible causes/consequences and
0050
0050Solutions The rear window
defroster has deactiva-
ted prematurely or can-
not be activated. The battery has not been sufficiently charged.
X Switch off any consumers that are not required, e.g. reading lamps,
interior lighting or the seat heating.
When the battery is sufficiently charged, the rear window defroster can be activated again. Switching air-recirculation mode
on/off
General notes You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle from
outside. The air already inside the vehicle will
then be recirculated.
If you switch on air-recirculation mode, the win-
dows can fog up more quickly, in particular at
low temperatures. Only use air-recirculation
mode briefly to prevent the windows from fog-
ging up.
Activating/deactivating X
Turn the SmartKey to position 0048in the igni-
tion lock (Y page 140).
X To activate: press the0089button.
The indicator lamp in the 0089button lights
up.
i In the event of high pollution levels (3-zone
automatic climate control only) or at high out-
side temperatures, air-recirculation mode is
automatically activated. When air-recircula-
tion mode is activated automatically, the indi-
cator lamp in the 0089button is not lit.
Outside air is added after about 30 minutes.
X To deactivate: press the0089button.
The indicator lamp in the 0089button goes
out.
i Air-recirculation mode deactivates auto-
matically:
R after approximately five minutes at outside
temperatures below approximately 41 ‡
(5 †)
R after approximately five minutes if cooling
with air dehumidification is deactivated
R after approximately 30 minutes at outside
temperatures above approximately 41 ‡ (5 †) if the "Cooling with air dehumidifi-
cation" function is activated Switching the residual heat on or off
General notes The residual heat function is only available on
vehicles for Canada.
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 set interior temperature.
Activating/deactivating X
To activate: press the004Bor0056 button.
The indicator lamp in the 004Bor0056 button
lights up.
i The blower will run at a low speed regardless
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.
X To deactivate: press the004Bor0056 but-
ton.
The indicator lamp in the 004Bor0056 button
goes out.
Residual heat is deactivated automatically:
R after approximately 30 minutes
R when the ignition is switched on
R if the battery voltage drops Ionization
Ionization is used to purify the air in the vehicle interior and attain an improved interior climate. Operating the climate control systems
135Climate control