24Keys, doors and windowsNote
Do not put the electronic key in the
load compartment or in front of the
Info-Display.
Replacing battery in electronic
key
Replace the battery as soon as the
system no longer operates properly
or the range is reduced. The need for battery replacement is indicated by a
message in the Driver Information
Centre 3 120.
Battery replacement, see 'Radio
remote control' 3 22.
Electronic key synchronisation The electronic key synchronises itself automatically during every starting
procedure.Fault
If the central locking cannot be
operated or the engine cannot be
started, the cause may be one of the
following:
● Fault in electronic key.
● Electronic key is out of reception range.
● The battery voltage is too low. ● Overload of the central locking system by operating at frequent
intervals; the power supply is
interrupted for a short time.
● Interference from higher-power radio waves from other sources.
To rectify the cause of the fault,
change the position of the electronic
key.
Manual unlocking 3 25.
Memorised settings
Whenever the ignition is switched off, the following settings are
automatically memorised by the
remote control unit or the electronic key:● automatic climate control
● lighting
● Infotainment system
● central locking system
● Sport mode settings
● comfort settings
The saved settings are automatically
used the next time the ignition is
switched on with the memorised key
with remote control unit 3 156 or
electronic key 3 23.
A precondition is that Personalisation
by Driver is activated in the personal
settings of the Info-Display. This must
be set for each remote control unit or
electronic key which is used.
Also memorised are the adjustments
of the driver's seat and exterior
mirrors, independent of the memory
positions 3 51.
Power seat automatically moves into the saved position when unlocking
and opening the driver's door with the
memorised remote control or
electronic key and Auto Memory
Recall in the Info-Display is activated.
Vehicle personalisation 3 121.
122Instruments and controls
With active display, press ;.
Turn MENU to select SETTINGS
display icon.
Press MENU to confirm.
The following settings can be
selected by turning and pressing the
multifunction knob:
● Time and Date
● Sport Mode
● Language (Language)
● Valet Mode
● Radio
● Vehicle
● Bluetooth
●Voice
● Display
● Rear Camera
● Return to Factory Settings
● Software Information
In the corresponding submenus, the
following settings can be changed:
Time and Date
See 'Clock' 3 90.
Sport Mode
The driver can select the functions
which will be activated in Sport mode
3 179.
● Sport Mode Backlighting :
Changes the instrument
illumination colour.
● Engine Sport Performance :
Accelerator pedal and gear
change characteristics become
more responsive.
● Sport Steering : Steering support
is reduced.● Sport Suspension : Damping
becomes harder.
● All Wheel Drive : Engine torque is
distributed to a greater extent to the rear axle.
Language (Language)
Selection of the desired language.
See Infotainment manual.
Valet Mode
See Infotainment manual.
Radio
See Infotainment manual.
Vehicle ● Climate and Air Quality
Auto Fan Speed : Modifies the
level of the cabin airflow of the
climate control in automatic
mode.
Air Conditioning Mode : Controls
the state of the cooling
compressor when the vehicle is
started. Last setting
(recommended) or at vehicle
start is either always on or always
off.
144Climate control
Controller and buttons for the
following functions:
● temperature TEMP
● air distribution l M K
● fan speed Z
● automatic mode AUTO
● cooling A/C
● air recirculation 4
● demisting and defrosting V
● system ON/OFF X
Heated rear window Ü 3 43.
Heated front seats ß 3 54.
Ventilated front seats A 3 54.
Heated steering wheel * 3 86.
Indication
Settings of temperature and fan
speed are indicated in the climate
display.
Each change of settings is shown
briefly in the Info-Display.
The electronic climate control system
is only fully operational when the
engine is running.
Climate control system settings are
saved in the key used to lock the
vehicle.
Automatic mode AUTO
Basic setting for maximum comfort:
● Press AUTO, the air distribution
and fan speed are regulated
automatically. The LED in the
button illuminates to indicate
activation.
● Press A/C to switch on optimal
cooling and demisting. The LED in the button illuminates to
indicate activation.
Climate control145● Set temperature by turningcontroller TEMP. Suggested
comfort setting is 22 °C.
● Open all air vents to allow optimised air distribution in
automatic mode.
Setting of fan speed regulation in
automatic mode can be changed in the vehicle personalisation menu in
the Colour-Info-Display.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 118.
Vehicle personalisation 3 121.
Temperature preselection TEMPSet temperature by turning controller
TEMP to the desired value.
Selected temperature is indicated in
the climate display.
If the minimum temperature Lo is set,
the climate control system runs at maximum cooling, if cooling A/C is
switched on.
If the maximum temperature Hi is set,
the climate control system runs at
maximum heating.
Note
If AC is switched on, reducing the set
cabin temperature can cause the
engine to restart from an Autostop or inhibit an Autostop.
Stop-start system 3 160.Demisting and defrosting the
windows V
●
Press V. The LED in the button
illuminates to indicate activation.
● Temperature and air distribution are set automatically and the fan
runs at high speed.
● Switch on heated rear window Ü.
● To return to previous mode: press V. To return to automatic
mode: press AUTO.
Setting of automatic rear window heating can be changed in the vehicle personalisation menu in the Colour-
Info-Display.
146Climate controlSelect the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 118.
Vehicle personalisation 3 121.
Note
If V is pressed while the engine is
running, an Autostop will be inhibited
until V is pressed again.
If V is pressed while the engine is
in an Autostop, the engine will restart
automatically.
Stop-start system 3 160.
Manual settings Climate control system settings canbe manually adapted by using the air distribution buttons and the fan speed controller as follows. Manual
changing of settings will deactivate
automatic mode.Fan speed Z
Turn controller Z. The selected fan
speed is indicated by the number of segments in the climate display.
If the fan is switched off, the air
conditioning is also deactivated.
To return to automatic mode: Press AUTO .
Air distribution l, M , K
Press appropriate button for desired
adjustment. The LED in the button
illuminates to indicate activation.
l:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
Combinations are possible.
Return to automatic air distribution:
press AUTO .
Climate control147Cooling A/C
Press A/C to switch on cooling. The
LED in the button illuminates to
indicate activation. Cooling is only
functional when the engine is running and climate control fan is switched on.
Press A/C again to switch off cooling.
The air conditioning system cools and
dehumidifies (dries) cabin air as
required. Therefore condensation
may form and is drained under the
vehicle.
If no cooling or drying is required,
switch off the cooling system for fuel
saving reasons.
System ON/OFF X
Cooling, fan and automatic mode can
be switched off by pressing X. When
the system is deactivated, LED in the button X extinguishes.
Activate by pressing X or cooling
button A/C or automatic mode button
AUTO . The LED in the button
illuminates to indicate activation.
Manual air recirculation 4
Press 4 to activate air recirculation
mode. The LED in the button
illuminates to indicate activation.
Select air recirculation to assist in cooling the interior or in blocking
outside odours or exhaust. When
recirculation is selected, a partial
ventilation to refresh the interior air
will occur every 10 minutes.
Press 4 again to deactivate
recirculation mode.
In warm and very humid ambient air
conditions, the windscreen may mist
up from outside, when cold air is
directed towards it. If windscreen
mists up from outside, activate
windscreen wiper and deactivate l.
Basic settings
Some basic settings can be changed in the vehicle personalisation menu in the Colour-Info-Display.
Select the relevant settings in
Settings , I Vehicle in the Colour-Info-
Display.
Colour-Info-Display 3 118.
Vehicle personalisation 3 121.
148Climate controlDual automatic climatecontrol system
The dual automatic climate control
allows different climatisation
temperatures for driver and front
passenger side.
In Automatic mode, temperature, fan speed and air distribution are
regulated automatically.
Panels and buttons for the following
functions:
● temperature RS
● air distribution l M K
● fan speed R ZS
● automatic mode AUTO
● cooling A/C
● air recirculation 4
● demisting and defrosting V
● system ON/OFF X
● dual zone temperature
synchronisation SYNC
Heated rear window Ü 3 43.
Heated front seats ß 3 54.
Ventilated front seats A 3 54.
Heated steering wheel * 3 86.
IndicationTemperature settings are indicated
separately on the panels for driver
and passenger side.
Each change of settings is shown in
the Info-Display for a few seconds.
The dual automatic climate control
system is only fully operational when
the engine is running.
Climate control system settings are
saved in the key used to lock the vehicle.
Automatic mode AUTO
Climate control149Basic setting for maximum comfort:● Press AUTO, the air distribution
and fan speed are regulated
automatically. The LED in the
button illuminates to indicate
activation.
● Press A/C to switch on optimal
cooling and demisting. The LED in the button illuminates to
indicate activation.
● Set temperature by touching R or
S on the driver side. Suggested
comfort setting is 22 °C.
Temperature can be set
differently for driver and
passenger. Touch R or S on the
passenger side to allow different
temperature zones.
● Open all air vents to allow optimised air distribution in
automatic mode.
Setting of fan speed regulation in
automatic mode can be changed in
the vehicle personalisation menu in
the Colour-Info-Display.
Select the relevant setting in Settings,
I Vehicle in the Colour-Info-Display.
Colour-Info-Display 3 118.Vehicle personalisation 3 121.
Temperature preselection SR
Set desired temperature by touching
R for higher temperatures or S for
lower temperatures.
Selected temperature is indicated in
the panels. Using driver's side panel
changes temperatures for both sides (when SYNC is selected), while using
the passenger side panel changes
only the passenger side temperature and turns off SYNC (if previously
selected).
If the minimum temperature Lo is set,
the climate control system runs at
maximum cooling, if cooling A/C is
switched on.
If the maximum temperature Hi is set,
the climate control system runs at
maximum heating.
Note
If AC is switched on, reducing the set
cabin temperature can cause the
engine to restart from an Autostop or
inhibit an Autostop.
Stop-start system 3 160.
Dual zone temperature
synchronisation SYNC
Press SYNC to link passenger side
temperature setting to the driver side.
The LED in the button illuminates to
indicate activation.
When passenger side settings will be
adjusted, the LED extinguishes.