18Keys, doors and windowsCancelling remote start
To cancel remote start, do any of the
following:
● Aim the radio remote control at the vehicle and press and hold
O until the sidelights turn off.
● Turn on the hazard warning flashers.
● Press POWERm on the
instrument panel with the brake
pedal depressed, then press
POWER m again to switch off the
vehicle.
Conditions in which remote start will not work
● An open bonnet.
● Vehicle propulsion system fault conditions.
● High voltage battery fault conditions.
● The selector lever is not in P
(Park).Conditions in which remote start may be cancelled include:
● Vehicle propulsion system or high voltage battery fault
conditions.
● Electric drive unit coolant temperature is too high.
Replacing battery in the electronic key
Replace the battery as soon as the
range reduces.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
1. Press button at the back of the electronic key unit and extract thekey blade from the housing.
Keys, doors and windows192. Insert the key blade for approx.6 mm and turn the key to open thehousing. Further insertion of the
key blade can damage the
housing.
3. Remove and replace battery. Use
CR 2032 or equivalent battery.
Pay attention to the installation
position.
4. Close the housing and insert key blade.
Radio remote control
synchronisation
After replacing the battery, unlock the
door with the key in the driver's door
lock. The radio remote control will be
synchronised when you switch on the
vehicle.
Fault
If the central locking system cannot
be operated with the radio remote
control, the cause may be one of the
following:
● Fault in radio remote control.
● The range is exceeded.
● The battery voltage is too low.● Frequent, repeated operation of the radio remote control while notin range, which will require re-
synchronisation.
● 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.
Manual unlocking 3 20.
Electronic key systemEnables a keyless operation of the
following functions:
● central locking system 3 20
● tailgate 3 28
● starting and stopping the vehicle 3 151
The electronic key simply needs to be on the driver's person.
Additionally, the electronic key
includes the functionality of the radio
remote control 3 17.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Note
Do not put the electronic key into 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 89.
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 windows23Operation with buttons on the
electronic key
The central locking system can also
be operated with the buttons on the
electronic key.
Press ( to unlock.
Press ) to lock.
Press and release ) and then
immediately press and hold O for at
least 4 seconds to start the vehicle's heating or air conditioning systems
and the heated rear window from
outside the vehicle.
Press 5 to stop charging the vehicle.
Press and hold 5 until the lock of the
charge cable is released.
Remote start 3 20.
Remote control operation 3 20.
Passive locking
Automatic locking 3 25.
Confirmation
Operation of central locking system is
confirmed by the hazard warning
flashers. A precondition is that the
setting is activated in the vehicle
personalisation 3 91.
Central locking buttons Locks or unlocks all doors and load
compartment via a switch in the
driver's door panel.
Press ) to lock.
Press ( to unlock.
Operation with the key in case of
a central locking system fault
In case of a fault, e.g. vehicle battery
or electronic key battery is
discharged, the driver's door can be locked or unlocked with the
mechanical key.
The lock cylinder in the driver's door
is covered by a cap.
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
Keys, doors and windows35Child safety system for rear
windows
To deactivate rear door power
windows, press V. The LED
illuminates.
To activate, press V again.
Overload
If the windows are repeatedly
operated within short intervals, the
window operation is disabled for
some time.
Initialising the power windows
If the driver's window cannot be
closed automatically (e.g. after
disconnecting the vehicle battery), a
warning message is displayed in the
Driver Information Centre.
Vehicle messages 3 89.
Activate the window electronics as
follows:
1. Close doors.
2. Switch on the vehicle.
3. Push switch until the window is completely open and keep
pushing for additional 2 seconds.
4. Pull switch until the window is closed and keep pulling for
additional 2 seconds.
5. Repeat for each window.Heated rear window
Operated by pressing Ü.
The LED in the button indicates
activation.
Heating works after the vehicle has
been started and is switched off
automatically after a short time.
64Instruments and controlsInstruments and
controlsControls ....................................... 65
Steering wheel adjustment ........65
Steering wheel controls .............65
Heated steering wheel ...............65
Horn ........................................... 66
Pedestrian safety alert ...............66
Windscreen wiper and washer ..66
Rear window wiper and washer ...................................... 68
Outside temperature ..................68
Clock ......................................... 69
Power outlets ............................. 69
Inductive charging .....................70
Warning lights, gauges and indi‐ cators ........................................... 72
Instrument cluster ......................72
Speedometer ............................. 74
Odometer .................................. 74
Battery gauge ............................ 74
Driving efficiency gauge ............74
Power indicator gauge ...............76
Regenerative braking ................76
Total vehicle range ....................77
Service display .......................... 77Control indicators ......................77
Turn lights .................................. 77
Seat belt reminder .....................77
Airbag and belt tensioners .........78
Airbag deactivation ....................78
Charging system .......................78
Service vehicle soon .................79
Brake system ............................. 79
Electric parking brake ................79
Electric parking brake fault ........79
Antilock brake system (ABS) .....79
Sport mode ................................ 80
Lane keep assist .......................80
Electronic Stability Control off ...80
Electronic Stability Control and Traction Control system ...........80
Traction Control system off .......80
Tyre pressure monitoring system ...................................... 80
Immobiliser ................................ 81
Vehicle ready ............................. 81
Exterior light .............................. 81
High beam ................................. 81
High beam assist .......................81
Rear fog light ............................. 81
Cruise control ............................ 81
Vehicle detected ahead .............81
Pedestrian detection ..................81
Speed limiter ............................. 81Traffic sign assistant ..................82
Door open .................................. 82
Displays ....................................... 82
Driver Information Centre ..........82
Info Display ................................ 85
Vehicle messages ........................89
Warning chimes .........................90
Battery voltage .......................... 90
Vehicle personalisation ................91
Telematics service .......................94
OnStar ....................................... 94
Instruments and controls699Warning
The road surface may already be
icy even though the display
indicates a few degrees above
0 °C.
Clock
Date and time are shown in the
Info Display.
Info Display 3 85.
Press p and then touch 1.
Select Settings and then select Time
and date to display the respective
submenu.
Auto set
To choose whether time and date are to be set automatically or manually,
select Auto set .
For time and date to be set
automatically, select On - RDS.
For time and date to be set manually, select Off - Manual . If Auto set is set
to Off - Manual , the submenu items
Set time and Set date become
available.
Set time To adjust the time settings, select Set
time .
Touch + or - to adjust the settings.
To select a time mode, select 12 hr or
24 hr format.
If 12 hour format is selected, touch
R or S to adjust AM or PM .
Set date To adjust the date settings, select Set
date .
Touch + or - to adjust the settings.Power outlets
A 12 V power outlet is located in the
centre console.
Do not exceed the maximum power
consumption of 240 W.
With the vehicle off, the power outlet
is deactivated. Additionally, the power
outlet is deactivated in the event of
low vehicle battery voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.