20Keys, doors and windowsBattery replacement in the electronic
key 3 17.
Electronic key synchronisation
The electronic key synchronises itself automatically during every starting
procedure.
Fault
If the central locking cannot be
operated or the propulsion system
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 20.Memorised settings
Whenever the vehicle is switched off, the following settings are
automatically memorised by the
electronic key:
● automatic climate control
● lighting
● Infotainment system
● central locking system
● comfort settings
The saved settings are automatically
used the next time the vehicle is
switched on with the memorised
electronic key 3 19.
A precondition is that Personalisation
by driver is activated in the personal
settings of the Info Display. This must
be set for each electronic key which is used. The status change is available
only after locking and unlocking the
vehicle.
Vehicle personalisation 3 91.
Central locking system Unlocks and locks doors and load
compartment.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. A precondition is that the
setting is activated in the vehicle
personalisation 3 91.
Keys, doors and windows25
After locking, cover the lock cylinder
with the cap: insert the cap with the
lower side in the recesses, swivel and
push the cap until it engages at the
upper side.
Delayed locking
This feature delays the actual locking of the doors and activating of the anti-theft alarm system for 5 seconds
when the button on the door handle or electronic key is used to lock the
vehicle.
Delayed locking can only be turned
on when the Unlocked door anti
lockout feature has been turned off.
This can be changed in the vehicle
settings.
Vehicle personalisation 3 91.
On : When pressing the central
locking button ), three chimes will
sound to signal delayed locking is
activated.
The doors will not lock until
5 seconds after the last door is
closed. Delayed locking can be
temporarily overridden by pressing the central locking button ) or ) on
the electronic key.
Off : The doors will lock immediately
when pressing the central locking
button ) or ) on the electronic key.
Automatic locking Automatic locking after driving off
This security feature can be
configured to automatically lock all
doors and load compartment after the
selector lever is moved out of P.
When at a standstill after driving, the
vehicle will be unlocked automatically
as soon as the vehicle is switched off.Activation or deactivation of
automatic locking can be set in the
menu Settings I Vehicle settings in
the Info Display.
Info Display 3 85.
Vehicle personalisation 3 91.
The setting can be saved for the electronic key being used 3 20.
Automatic relock after unlocking This feature can be configured to
automatically lock all doors and load
compartment a short time after
unlocking with the electronic key,
provided no door has been opened.
Activation or deactivation of
automatic relock can be set in the
menu Settings I Vehicle settings in
the Info Display.
Info Display 3 85.
Vehicle personalisation 3 91.
The setting can be saved for the
electronic key being used 3 20.
Keys, doors and windows27●Vehicle status: View the vehicle’s
range and high voltage battery
level, charging status, and tyre
pressure.
● Welcome lighting: Request light when approaching the vehicle.
● Location services: Save the parked location or start
navigation at the vehicle’s GPS
coordinates.Setup function ● KeyPass setup
● Managing priority setting ● Modifying priority setting
● RevocationActive remote function ● Door lock / unlock
● Remote start / stop
● Panic alarm activation / termination
● Remote charge termination
● High voltage charge functions ● Temporary charging override
update
● Change the charging mode permanently● Update departure timeschedule
● High voltage priority charging
activation and deactivation
● Select charge level / limit preference screen
● Vehicle locator
● Routing / available mileagePassive function
Approach detection / welcome
lightingVisual display for vehicle information ● Low high voltage battery indication
● Tyre pressure
● Remote engine start status
● Odometer reading
● Rear closure ajar switch status
● Electric parking brake status
● Bonnet status
● High voltage battery state of charge status● Vehicle's position
● Charge mode status ● Available mileage
● Charge start and end times status
● Full week of time based delayed charging status
● Disable rate based and delayed charging status
● High voltage charging system fault (unable to
charge)
● High voltage charger power level
● High voltage battery charge cord connected indication
● Charge complete
● Usable state of charge
● High voltage depletion mode range
● High voltage battery state of charge status
Seats, restraints41Heating
Adjust heating to the desired setting
by touching ß for the respective seat
one or more times. The control
indicator in the button indicates the
setting.
Prolonged use of the highest setting
for people with sensitive skin is not
recommended.
Auto heated seats
When the vehicle is on, this feature
will automatically activate seat
heating at the level required by the
vehicle's interior temperature.
The indicators next to the seat
heating symbol on the touch screen
indicate the heat setting.
Use the touch screen button to turn
auto heated seats off.
The auto heated seat feature can be programmed to always be enabled
when the vehicle is on.
Vehicle personalisation 3 91.
Deactivation To deactivate auto heated seat, touchß AUTO on the touch screen.
Remote start heated seats When it is cold outside, the heatedseats can be turned on automaticallyduring a remote vehicle start.
The heated seats will be cancelled
when POWER m is pressed. If the
vehicle has auto heated seats, the
seat heating level will automatically
change to the level required by the
vehicle's interior temperature when
the vehicle is turned on.
The temperature performance of an
unoccupied seat may be reduced.The heated seats will not switch on
during a remote start unless the
heated seat feature is enabled in
vehicle personalisation 3 91.
50Seats, restraints
The front passenger airbag system
can be deactivated via a key-
operated switch on the passenger side of the instrument panel.
Use the key blade to change the
position:
* OFF:front passenger airbag is
deactivated and will not
inflate in the event of a
collision. Control indicator
OFF * illuminates
continuously in the
overhead consoleV ON:front passenger airbag is
active9 Danger
Deactivate passenger airbag only
in combination with the use of a
child restraint system, subject to
the instructions and restrictions in
the table 3 53.
Otherwise, there is a risk of fatal
injury for a person occupying a
seat with a deactivated front
passenger airbag.
If control indicator ON V illuminates
for a certain time after the vehicle is switched on, the front passenger
airbag system will inflate in the event
of a collision.
If both control indicators are
illuminated at the same time, there is
a system failure. The status of the
system is not discernible, therefore
no person is allowed to occupy the
front passenger seat. Contact a
workshop immediately.
Consult a workshop immediately if
neither of the two control indicators
are illuminated.
Change status only when the vehicle is stopped with the vehicle off.
Status remains until the next change.
Control indicator for airbag
deactivation 3 78.
68Instruments and controlsRear window wiper andwasher
Rear window wiper
Turn outer cap to activate the rear
window wiper:
OFF:offINT:intermittent operationON:continuous operation
Do not use if the rear window is
frozen.
Switch off in car washes.
The rear window wiper comes on
automatically when the windscreen
wiper is switched on and reverse gear
is engaged.
Activation or deactivation of this
function can be changed in the menu Settings in the Info Display.
Vehicle personalisation 3 91.
Rear window washer
Push lever.
Washer fluid is sprayed onto the rear
window and the wiper wipes a few
times.
If the rear camera mirror is equipped,
the washer fluid is sprayed on the rear camera at the same time.
Washer fluid 3 216.
Outside temperature A drop in temperature is indicated
immediately and a rise in temperature
after a time delay.
If outside temperature drops to
0.5 °C, a warning message is
displayed in the Driver Information
Centre.
82Instruments and controlsTraffic sign assistantL displays detected traffic signs as
control indicator.
Traffic sign assistant 3 189.
Door open
The indicator shows if a door, the
bonnet or the tailgate is open. The
symbol changes accordingly.
An additional graphic is shown in the
Driver Information Centre every time
the bonnet or the tailgate are opened.
Driver Information Centre 3 82.
Displays
Driver Information Centre The Driver Information Centre is
located in the instrument cluster.
Driver Information Centre indicates
depending on the equipment:
● overall and trip odometer
● vehicle information
● trip information
● driving economy information ● vehicle and warning messages
● audio and Infotainment information
● phone information
● vehicle settings
Menu pages are indicated by
pressing ] on the steering wheel.
Press { or } to select a menu, press
9 to confirm. Selectable menu pages
are:
● Vehicle info
● Audio
● Phone
● Layout
● Options
Some of the displayed functions differ
when the vehicle is being driven or at
a standstill. Some functions are only
available when the vehicle is at a
standstill.
Selecting menus and functionsThe menus and functions can be
selected via the buttons on the right
side of the steering wheel.
90Instruments and controlsSome important messages may
appear additionally in the Info
Display. Some messages only pop-
up for a few seconds.
Warning chimes If several warnings appear at the
same time, only one warning chime will sound.
When starting the propulsion
system or whilst driving
The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
● If seat belt is not fastened.
● If a door or the tailgate is not fully
closed when starting off.
● If a certain speed is exceeded with parking brake applied.
● If approaching a vehicle ahead too rapidly.
● If a programmed speed or speed
limit is exceeded.
● If a warning message appears in the Driver Information Centre.● If the electronic key is not in thepassenger compartment.
● If the parking assist detects an object.
● If an unintended lane change occurs.
● If safety function of the power tailgate detects obstacles in the
moving area.
When the vehicle is parked and /
or the driver's door is opened
● With exterior lights on.
Battery voltage
When the voltage of the 12 V vehicle
battery is running low, a warning
message will appear in the Driver
Information Centre.
1. Switch off any electrical consumers which are not requiredfor a safe drive, e.g. seat heating,
heated rear window or other main
consumers.
2. Charge the 12 V vehicle battery by
driving continuously for a while or
by using a charging device.The warning message will disappear
after the vehicle has been started
twice without a voltage drop.
If the 12 V vehicle battery cannot be
recharged, have the cause of the fault remedied by a workshop.