Keys, doors and windows23
FaultIf 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 out of reception range
■ Battery voltage 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 23.
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 3 149 or
electronic key 3 22.
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 50.
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 3 118.
Central locking system Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks the respective door. Pulling
the handle once more opens the door.
Note
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Note
A short time after unlocking with the
remote control the doors are locked
automatically if no door has been
opened.
Instruments and controls119
■Voice
■ Display
■ Rear Camera
■ Return to Factory Settings
■ Software Information
■ TouchPad
In the corresponding submenus the
following settings can be changed:
Time and Date
See Clock 3 87.
Sport Mode
The driver can select the functions
which will be activated in Sport mode
3 168.
■ Sport Mode Backlighting : Change
of 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 system manual.
Valet Mode
See Infotainment system manual.
Radio
See Infotainment system manual.
Vehicle ■ Climate and Air Quality
Auto Fan Max 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.
Auto Demist : Supports windscreen
dehumidification by automaticallyselecting the necessary settings and automatic air conditioning
mode.
Auto Rear Demist : Activates
automatically the heated rear
window.
■ Collision / Detection Systems
Park Assist : Activates or
deactivates the ultrasonic parking
assist.
Auto Collision Preparation :
Activates or deactivates the automatic brake functionality of the
vehicle in the event of imminent
collision danger. The following is
selectable: the system will take
over brake control, warn by chimes
only or is deactivated completely.
Go Notifier : Activates or
deactivates the reminder function
of the adaptive cruise control.
Side Blind Zone Alert : Activates or
deactivates side blind zone alert.
Rear Cross Traffic Alert : Activates
or deactivates rear cross traffic
alert.
Climate control137
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 41.
Heated front seats ß 3 53.
Ventilated front seats A 3 54.
Heated steering wheel * 3 83.
Indication
Settings of temperature and fan
speed are indicated in the climate
display.
Each change of settings is shown in
the Info-Display for a few seconds.
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. Activation is
indicated by the LED in the button.
■ Press A/C to switch on optimal
cooling and demisting. Activation is indicated by the LED in the button.
■ Set temperature by turning controller TEMP. Suggested
comfort setting is 22 °C.
■ Open all air vents to allow optimised air distribution in
automatic mode.
138Climate control
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 3 114.
Vehicle personalisation 3 118.
Temperature preselection
TEMP
Set 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.
Demisting and defrosting the
windows V■
Press button V. Activation is
indicated by the LED in the button.
■ 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 button V. To return to automatic
mode: press button AUTO.
Setting of automatic rear window
heating 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 3 114.
Vehicle personalisation 3 118.
Note
If the V button is pressed while the
engine is running, an Autostop will
be inhibited until the V button is
pressed again.
If the V button is pressed while the
engine is in an Autostop, the engine will restart automatically.
Stop-start system 3 153.
Climate control139
Manual settingsClimate control system settings can
be manually adapted by using the air
distribution buttons and the fan speed controller as follows. Manual
changing of settings will deactivate
the 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 button.
Air distribution l, M , K
Press appropriate button for desired
adjustment. Activation is indicated by the LED in the button.
l=to windscreen and front door
windows.M=to head area via adjustable air
vents.K=to foot well.
Combinations are possible.
Return to automatic air distribution:
press button AUTO.
Cooling A/C
Press button A/C to switch on cooling.
Activation is indicated by the LED in
the button. Cooling is only functional
when the engine is running and
climate control fan is switched on.
Press button 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.
140Climate control
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 button X.
When the system is deactivated, the
LED in the button X is off.
Activation by pressing button X or
cooling button A/C or automatic mode
button AUTO. Activation is indicated
by the LED in the button.
Manual air recirculation 4Press button 4 to activate air
recirculation mode. Activation is
indicated by the LED in the button.
Select air recirculation to assist in cooling the interior or in blocking
outside odors or exhaust. When
recirculation is selected, a partial
ventilation to refresh the interior air
will occur every 10 minutes.
Press button 4 again to deactivate
recirculation mode.
In warm and very humid ambient air
conditions, the windscreen might mist up from outside, when cold air is
directed to it. If windscreen mists up
from outside, activate windscreen
wiper and deactivate l.
Basic settings Some basic settings can be changedin 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 3 114.
Vehicle personalisation 3 118.Dual automatic climate
control 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
Climate control141
■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 41.
Heated front seats ß 3 53.
Ventilated front seats A 3 54.
Heated steering wheel * 3 83.
IndicationTemperature settings are indicated
for driver and passenger side
separately on the panels.
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 AUTOBasic setting for maximum comfort: ■ Press AUTO, the air distribution
and fan speed are regulated
automatically. Activation is
indicated by the LED in the button.
■ Press A/C to switch on optimal
cooling and demisting. Activation is indicated by the LED in the button.
■ 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 3 114.
Vehicle personalisation 3 118.
142Climate control
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 selected
before).
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.
Dual zone temperature
synchronisation SYNC
Press SYNC to link passenger side
temperature setting to the driver side.
Activation is indicated by the LED in
the button.
When passenger side settings will be adjusted, the LED extinguishes.Demisting and defrosting the
windows V
■
Press button V. Activation is
indicated by the LED in the button.
■ 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 button V. To return to automatic
mode: press button AUTO.