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.
Keys, doors and windows27
Fault in radio remote control unitor electronic key system
Manual unlocking
Manually unlock the driver's door by
turning the key in the lock. Switch on
the ignition and press the central
locking button c to unlock all doors,
load compartment and fuel filler flap.
By switching on the ignition, the anti-
theft locking system is deactivated.
Manual locking
Manually lock the driver's door by
turning the key in the lock.
Fault in central locking system
Manual unlocking
Manually unlock the driver's door by
turning the key in the lock. The other
doors can be opened by pulling the
interior handle twice. The load
compartment and fuel filler flap
cannot be opened. To deactivate the
anti-theft locking system, switch on
the ignition 3 34.
Manual locking
Push inside locking knob of all doors
except driver's door. Then close the driver's door and lock it from the
outside with the key. The fuel filler flap and tailgate cannot be locked.
Automatic locking
Automatic locking after driving
off This security feature can be
configured to automatically lock all
doors, load compartment and fuel
filler flap after driving off and
exceeding a certain speed.When at a standstill after driving, the
vehicle will be unlocked automatically
as soon as the key is removed from
the ignition switch, or with electronic
key system when the ignition is
switched off.
Activation or deactivation of
automatic locking can be set in the
menu Settings , I Vehicle in the
Colour-Info-Display.
Colour-Info-Display 3 114.
Vehicle personalisation 3 118.
The setting can be saved for the
remote control or electronic key being used 3 23.
Automatic relock after unlocking This feature can be configured to
automatically lock all doors, load
compartment and fuel filler flap a
short time after unlocking with the
remote control or electronic key,
provided no door has been opened.
Activation or deactivation of
automatic relock can be set in the
menu Settings , I Vehicle in the
Colour-Info-Display.
118Instruments and controls
During an Autostop■ If the driver's door is opened.
Battery voltage When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.
1. Switch off any electrical consumers which are not required
for a safe ride, e.g. seat heating,
heated rear window or other main consumers.
2. Charge the vehicle battery by driving continuously for a while or
by using a charging device.
The warning message will disappear
after the engine has been started
twice without a voltage drop.
If the vehicle battery cannot be
recharged, have the cause of the fault remedied by a workshop.Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings in the Colour-Info-Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 23.
Depending on vehicle equipment and
country-specific regulations some of
the functions described below might
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings Following the changing of personal
settings is described via the buttons
below the display. This is valid for
4.2'' as well as 8'' Colour-Info-Display.
Additionally the 8'' display is operable
as a touchscreen and with the
touchpad between the front seats. See description Colour-Info-Display
3 114 and the Infotainment system
manual.
With active display, press button ;.
Turn button MENU to select Settings
display icon.
Press button 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
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.
Instruments and controls121
Bluetooth
See Infotainment system manual.
Voice
See Infotainment system manual.
Display
See Infotainment system manual.
Rear Camera
Guidance Lines : Activates or
deactivates the guiding lines.
Rear Park Assist Symbols : Activates
or deactivates the rear park assist
symbols.
Return to Factory Settings
Restore Vehicle Settings : Reset all
settings to the default settings.
Clear All Private Data : Delete all
private information from the vehicle.
Restore Radio Settings : Reset all
radio settings to the default settings.
See Infotainment system manual.
Software Information
See Infotainment system manual.TouchPad
See Infotainment system manual.