
Control panel for air-conditioning system
:
To set the temperature (Y page 122)
; To demist the windscreen (Y page 123)
= To set the air distribution (Y page 122)
? To activate/deactivate air-recirculation mode (Y page 124)
A To set the airflow (Y page 123)
B To activate/deactivate cooling with air dehumidification (Y page 121)
C To switch the rear window heating on/off (Y page 124)Notes on using the air-conditioning
system
Air-conditioning system Below, you can find a number of tips and rec-
ommendations for optimum use of the air-con-
ditioning system.
R Switch on the air-conditioning system by turn-
ing control knob Aclockwise to the desired
position (except position 0).
R Set the temperature to 22 †.
R Recommendation for avoiding misted
windows at low exterior temperatures or
in rain: switch on the ¿cooling with dehu-
midification function (Y page 121).
Set air distribution to ¯and if possible
switch off PandO (Ypage 122).
Deactivate air-recirculation mode e
(Y page 124).
Set airflow control Ato a setting between 3
and 6(Y page 123). R
Recommendation for rapid cooling or
heating of the vehicle interior: briefly set
airflow control Ato a setting between 3and
6 (Y page 123).
R Recommendation for a constant vehicle
interior temperature: set airflow controlA
to a setting between 1and 3(Y page 123).
R Recommendation for air distribution in
winter: select the Oand¯ settings
(Y page 122).
Recommendation for air distribution in
summer: select the PorP and¯
settings (Y page 122).
R Use the "Windscreen demisting" function only
briefly until the windscreen is clear again.
R Use air-recirculation mode only briefly, e.g. if
there are unpleasant outside odours or when
in a tunnel. The windows could otherwise mist up as no fresh air is drawn into the vehicle inair-recirculation mode.
R If you change the settings of the climate con-
trol system, the climate status display
appears for approximately three seconds at 118
Overview of climate control systemsClimate control

I
To switch the rear window heating on/off (Y page 124)
J To switch the ZONE function on/off (Y page 123)Information on using THERMOTRONIC
automatic climate control
Automatic climate control The following contains instructions and recom-
mendations to enable you to get the most out of
your THERMOTRONIC automatic climate con-
trol.
R Activate climate control using the Ãand
¿ buttons. The indicator lamps in the
à and¿ buttons light up.
R Set the temperature to 22 †.
R Use the "Windscreen demisting" function only
briefly until the windscreen is clear again.
R Use air-recirculation mode only briefly, e.g. if
there are unpleasant outside odours or when
in a tunnel. The windows could otherwise mist up as no fresh air is drawn into the vehicle in
air-recirculation mode.
R Use the ZONE function to adopt the temper-
ature settings on the driver's side for the
front-passenger side as well. The indicator
lamp in the ábutton 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 be activated or deactivated only
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 (see separate operating
instructions). You will see the current settings
of the various climate control functions.
DYNAMIC SELECT button (except
Mercedes-AMG vehicles) You can choose between various drive programs
with the DYNAMIC SELECT button
(Y page 141). If you have selected drive program
E:
R when heating, the electrical heater booster is
deactivated and in the warming-up phase
heat output is reduced
R the rear window heating running time is
reduced
Depending on the configuration, the climate set-
tings can also be influenced in drive program I.
If you have selected drive program Cor S, the
climate settings are not affected.
ECO start/stop function During automatic engine switch-off, the climate
control operates only at a reduced capacity. If
you require the full climate control output, you
can switch off the ECO start/stop function by
pressing the ECO button (Y page 138). Operating the climate control system
Switching the climate control on/off
General notes When climate control is switched off, the air
supply and air circulation are also switched off.
The windows could mist up. Therefore, switch
off climate control only briefly.
Air-conditioning system X
Turn the key to position 2in the ignition lock
(Y page 133).
X To switch on: turn controlAclockwise to
the desired position (except position 0)
(Y page 118).
X To switch off: turn controlAanti-clockwise
to position 0(Y page 118). 120
Operating the climate control systemClimate control

Setting climate control to automatic
mode X
Turn the key to position 2in the ignition lock
(Y page 133).
X Set the desired temperature.
X To activate: press theÃbutton.
The indicator lamp in the Ãbutton lights
up. Automatic air distribution and airflow are
activated.
X To switch to manual mode: press theÉ
or Ë button.
or
X Press the KorI button.
The indicator lamp in the Ãbutton goes
out. Automatic air distribution and airflow are deactivated. Setting the temperature
Air-conditioning system You can set the temperature for the entire vehi-
cle. The set temperature is automatically main-
tained at a constant level.
X Turn the key to position 2in the ignition lock
(Y page 133).
X To increase or reduce: turn control:anti-
clockwise or clockwise (Y page 118). Change
the temperature setting only in small incre-
ments. Start at 22 †.
THERMOTRONIC automatic climate
control Different temperatures can be set for the driv-
er's and front-passenger sides. The set temper- ature is automatically maintained at a constant
level.
X Turn the key to position 2in the ignition lock
(Y page 133).
X To increase or decrease: turn control:or
E anti-clockwise or clockwise (Y page 119).
Change the temperature setting only in small
increments. Start at 22 †. Setting the air distribution
Air-conditioning system Air distribution settings
¯ Directs the airflow through the demister
vents
P Directs the airflow through the centre
and side air vents
O Directs the airflow through the footwell
air vents
i You can also activate several of the air dis-
tribution settings simultaneously. In order to
do this, press several of the air distribution
buttons. The air is then routed through differ-
ent 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 if
the adjusters are turned clockwise until they
engage.
Setting the air distribution X Turn the key to position 2in the ignition lock
(Y page 133).
X Press one or more of the P,O,¯
buttons.
The corresponding indicator lamp comes on.
THERMOTRONIC automatic climate
control Air distribution settings
¯ Directs the airflow through the demister
vents
P Directs the airflow through the centre
and side air vents
O Directs the airflow through the footwell
air vents
S Directs the airflow through the centre
and side air vents as well as the footwell
air vents
b Directs the airflow through the centre
and side air vents as well as the demister
vents
a Directs the airflow through the footwell
and demister vents
_ Directs the airflow through the demister
vents, the centre and side air vents as
well as the footwell air vents 122
Operating the climate control systemClimate control

i
Regardless of the air distribution setting,
airflow is always directed through the side air
vents. The side air vents can only be closed if the adjusters are turned clockwise until they
engage.
Setting the air distribution X Turn the key to position 2in the ignition lock
(Y page 133).
X Press the ÉorË button repeatedly
until the desired symbol appears in the dis-
play. Setting the airflow
Air-conditioning system X
Turn the key to position 2in the ignition lock
(Y page 133).
X To increase or reduce: turn controlAanti-
clockwise or clockwise (Y page 118).
THERMOTRONIC automatic climate
control X
Turn the key to position 2in the ignition lock
(Y page 133).
X To increase or reduce: press theKor
I button. Switching the ZONE function on/off
This function is only available with
THERMOTRONIC automatic climate control.
X To activate: press theábutton.
The indicator lamp in the ábutton lights
up.
The temperature setting for the driver's side
is not adopted for the front-passenger side.
X To deactivate: press theábutton.
The indicator lamp in the ábutton goes
out.
The temperature setting for the driver's side
is adopted for the front-passenger side. Demisting the windscreen
General notes You can use this function to defrost the wind-
screen or to demist the inside of the windscreen
and the side windows.
i You should only select the "Windscreen
demisting" function until the windscreen is
clear again.
Switching the "Windscreen demisting"
function on or off X
Turn the key to position 2in the ignition lock
(Y page 133).
X To activate: press the¬button.
The indicator lamp in the ¬button lights
up.
The climate control system switches to the
following functions:
R high airflow
R high temperature
R air distribution to the windscreen and front
side windows
R air-recirculation mode off
i The "Windscreen demisting" function auto-
matically sets the blower output to the opti-
mum demisting effect. As a result, the airflow may increase or decrease automatically after
the ¬ button is pressed.
i You can adjust the blower output manually
while the "Windscreen demisting" function is
in operation:
R Air-conditioning system: turn airflow con-
trol Aanti-clockwise or clockwise
(Y page 118).
R THERMOTRONIC automatic climate con-
trol: press the óorô button.
X To deactivate: press the¬button.
The indicator lamp in the ¬button goes
out. The previous settings are reactivated.
Air-recirculation mode remains deactivated.
or
X THERMOTRONIC automatic climate control:
press the Ãbutton.
The indicator lamp in the ¬button goes
out. Airflow and air distribution are set to
automatic mode. Operating the climate control system
123Climate control

or
X Air-conditioning system: turn temperature
control :anti-clockwise or clockwise
(Y page 118).
THERMOTRONIC automatic climate control:
turn temperature control :orE anti-clock-
wise or clockwise (Y page 119).Demisting the windows
Windows misted up on the inside Air-conditioning system
X Activate the ¿"Cooling with air dehumid-
ification" function.
X If the windows continue to mist up, activate
the ¬ "Windscreen demisting" function.
i You should only select this setting until the
windscreen is clear again.
THERMOTRONIC automatic climate con-
trol
X Activate the ¿"Cooling with air dehumid-
ification" function.
X Activate automatic mode Ã.
X If the windows continue to mist up, activate
the ¬ "Windscreen demisting" function.
i You should only select this setting until the
windscreen is clear again. Windows misted up on the outside X
Activate the windscreen wipers.
X Set the air distribution to PorO.
i You should only select this setting until the
windscreen is clear again. Rear window heating
General notes The rear window heating has a high current
draw. You should therefore switch it off as soon
as the window is clear. The rear window heating otherwise switches off automatically after sev-
eral minutes.
If the battery voltage is too low, the rear window
heating may switch off.
Activating/deactivating X
Turn the key to position 2in the ignition lock
(Y page 133).
X Press the ¤button.
The indicator lamp in the ¤button lights
up or goes out.
Problems with the rear window heating Problem
Possible causes/consequences and
M MSolutions The rear window heating
has switched off prema-
turely or cannot be
switched on. 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 heating
can be switched on again. Activating/deactivating air-recircula-
tion mode
General notes You can deactivate the flow of fresh air tempo-
rarily if unpleasant odours are entering the vehi-
cle from outside. The air already inside the vehi- cle will then be recirculated. If you activate air-recirculation mode, the win-
dows can mist up more quickly, particularly at
low temperatures. Use air-recirculation mode
only briefly to prevent the windows from misting
up.
The operation of air-recirculation mode is the
same for all control panels. 124
Operating the climate control systemClimate control

The auxiliary heating heats the air in the vehicle
interior to the set temperature. This occurs with- out using the heat of the running engine. The
auxiliary heating is operated directly using the
vehicle's fuel. For this reason, the fuel tank must
be at least Õfull to ensure that the auxiliary
heating functions.
The auxiliary heating/ventilation automatically
adjusts to changes in temperature and weather conditions. For this reason, the auxiliary heating could switch from ventilation mode to heating
mode or from heating mode to ventilation mode.
The auxiliary heating switches off when the
engine is switched off. The auxiliary ventilation
switches off when you turn the key to key posi-
tion 2(Y page 133).
The auxiliary heating switches off automatically
after 50 minutes.
You cannot use the auxiliary ventilation to cool
the vehicle interior to a temperature lower than
the outside temperature.
Before switching on X
Turn the key to position 2in the ignition lock
(Y page 133).
X Set the desired temperature.
Auxiliary heating or ventilation can also be
switched on if the manually set climate control is
activated. Optimum comfort is attained by set-
ting the system to automatic mode. Set the tem-
perature to 22 †.
The auxiliary heating or auxiliary ventilation can be switched on/off using the button on the
centre console or the remote control.
The on-board computer can be used to specify
up to three departure times, one of which may
be preselected (Y page 211). Switching the auxiliary heating/venti-
lation on or off using the button on the
centre console General notes
The colours of the indicator lamps on button
:
signify the following:
R Blue: auxiliary ventilation activated
R Red: auxiliary heating activated
R Yellow: departure time preselected
(Y page 211)
Activating/deactivating the auxiliary
heating or auxiliary ventilation
X Press button :.
The red or blue indicator lamp in button :
lights up or goes out.
Switching the auxiliary heating/venti-
lation on or off using the remote control General notes
Your vehicle comes with one remote control.
You may use two additional remote controls for
your vehicle. For more information, please con-
tact a qualified specialist workshop.
Store the remote control for the auxiliary heat-
ing so that the auxiliary heating cannot be
switched on unintentionally. In particular,
ensure that the remote control for the auxiliary
heating is kept out of the reach of children.
The remote control has a range of approximately
300 metres. This range is reduced by:
R sources of radio interference
R solid objects between the remote control and
the vehicle Operating the climate control system
127Climate control Z

Hill start assist is not active if:
R you are pulling away on a level road or a
downhill gradient
R on vehicles with automatic transmission, the
transmission is in position N
R the electric parking brake is applied
R ESP ®
is malfunctioning
Further information on holding the vehicle sta-
tionary on uphill gradients (Y page 148).ECO start/stop function
Introduction The ECO start/stop function switches the
engine off automatically if the vehicle is stopped
under certain conditions.
When pulling away again, the engine starts auto-
matically. The ECO start/stop function thereby
helps you to reduce the fuel consumption and
emissions of your vehicle.
Important safety notes G
WARNING
If the engine is switched off automatically and you exit the vehicle, the engine is restarted
automatically. The vehicle may begin moving. There is a risk of accident and injury.
If you wish to exit the vehicle, always turn off
the ignition and secure the vehicle against
rolling away.
General notes :
ECO start/stop display
The ECO start/stop function is activated when-
ever you start the engine using the key or the
Start/Stop button.
If the è symbol is shown on the multifunction
display, the ECO start/stop function switches the engine off automatically if the vehicle stops
moving.
If the ECO start/stop function has been man-
ually deactivated (Y page 138) or a malfunction
has caused the system to be deactivated, the
è orç ECO symbol is not displayed.
Mercedes-AMG vehicles: the ECO start/stop
function is only available in drive program C.
Automatic engine switch-off General notes
The ECO start/stop function is operational and
the è ECO symbol is displayed on the mul-
tifunction display if:
R the indicator lamp in the ECO button is lit
green
R the outside temperature is within the range
that is suitable for the system
R the engine is at normal operating temperature
R the set temperature for the vehicle interior
has been reached
R the battery is sufficiently charged
R the system does not detect moisture on the
windscreen when the air-conditioning system
is switched on
R the bonnet is closed
R the driver's door is closed and the driver's
seat belt is fastened
If all conditions for automatic engine switch-off
are not fulfilled, the çECO symbol is shown.
All the vehicle's systems remain active when the engine is switched off automatically.
The engine can be switched off automatically a
maximum of four times (initial stop, then three
subsequent stops) in succession. The çECO
symbol is shown on the multifunction display
after the engine has been started automatically
for the fourth time. When the èECO symbol
is shown on the multifunction display, automatic
engine switch-off is possible again.
Vehicles with manual transmission Driving
137Driving and parking Z

The ECO start/stop function switches off the
engine automatically at low speeds.
X Brake the vehicle.
X Shift to neutral N(Y page 142), (follow gear-
shift instructions :to shift into neutral N, if
necessary).
X Release the clutch pedal.
The engine is switched off automatically.
Vehicles with automatic transmission If the vehicle is braked to a standstill with the
transmission in Dor N, the ECO start/stop func-
tion switches off the engine automatically.
The HOLD function can be activated if the
engine has been switched off automatically. It is
then not necessary to continue applying the
brakes during the automatic stop phase. When
you depress the accelerator pedal, the engine
starts automatically and the braking effect of
the HOLD function is deactivated.
Automatic engine start General notes
The engine is started automatically if:
R you deactivate the ECO start/stop function
by pressing the ECO button
R you engage reverse gear R
R you unfasten your seat belt or open the driv-
er's door
R the vehicle starts to roll
R the brake system requires this
R the temperature in the vehicle interior devi-
ates from the set range
R the system detects moisture on the wind-
screen when the air-conditioning system is
switched on
R the battery's charge status is too low
Vehicles with manual transmission
! Only engage gear when the clutch pedal is
depressed.
The engine is started automatically if you:
R depress the clutch pedal fully
R depress the accelerator pedal Vehicles with automatic transmission
The engine is started automatically if you:
R release the brake pedal in transmission posi-
tion Dor Nwhen the HOLD function is not
active
R depress the accelerator pedal
R move the transmission out of position P
Shifting the transmission to position Pdoes not
start the engine.
If you shift the transmission from Rto D, the
ECO start/stop function is available again as
soon as the èsymbol reappears on the mul-
tifunction display.
Switching the ECO start/stop function
off/on X
To deactivate: press ECO button :.
Indicator lamp ;and the èorç ECO
symbol on the multifunction display go out.
X To activate: press ECO button :.
Indicator lamp ;lights up.
If all conditions for the automatic engine
switch-off (Y page 137) are fulfilled, the è
ECO symbol is shown in the multifunction dis- play.
If all conditions for the automatic engine
switch-off (Y page 137) are not fulfilled, the
ç ECO symbol is shown in the multifunc-
tion display. If this is the case, the ECO start/
stop function is not available.
If indicator lamp ;is off, the ECO start/stop
function has been deactivated manually or as
the result of a malfunction. The engine will then
not be switched off automatically when the vehi- cle stops. 138
DrivingDriving and parking