16Keys, doors and windowsKeys, doors and
windowsKeys, locks ................................... 16
Keys .......................................... 16
Radio remote control .................17
Electronic key system ................19
Memorised settings ...................20
Central locking system ..............20
Delayed locking ......................... 25
Automatic locking ......................25
Child locks ................................. 26
Smartphone remote function .....26
Doors ........................................... 28
Load compartment ....................28
Vehicle security ............................ 29
Anti-theft locking system ...........29
Anti-theft alarm system ..............29
Immobiliser ................................ 31
Exterior mirrors ............................ 31
Convex shape ........................... 31
Electric adjustment ....................32
Folding mirrors .......................... 32
Heated mirrors ........................... 33
Interior mirrors ............................. 33
Automatic anti-dazzle ................33Windows...................................... 33
Windscreen ............................... 33
Power windows ......................... 34
Heated rear window ..................35
Sun visors .................................. 36Keys, locks
Keys
Replacement keys
The key number is specified on a
detachable tag.
The key number must be quoted
when ordering replacement keys as it
is a component of the immobiliser
system.
Locks 3 244.
Central locking 3 20.
Starting and stopping the vehicle 3 151.
Radio remote control 3 17.
Electronic key 3 19.
The code number of the adapter for
the locking wheel nuts is specified on
a card. It must be quoted when
ordering a replacement adapter.
Keys, doors and windows17Radio remote control
Enables operation of the following
functions via the use of the remote control buttons on the electronic key:
● central locking system 3 20
● anti-theft locking system 3 29
● anti-theft alarm system 3 29
● remote start
The remote control has a range of up
to 60 m, but may also be much less
due to external influences. The
hazard warning flashers confirm
operation.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Remote start
Activates the heating or air
conditioning systems and the heated
rear window from outside the vehicle.
The climate control system will
typically default to the last climate
setting. If the fan is off or if fan only
was selected, the air conditioning or
heat will turn on as needed.
Electronic climate control system
3 142.
If the vehicle has heated seats and
the vehicle personalisation setting
enabled, the remote start auto heated seats may also come on.
Heated front seats 3 41.
Vehicle personalisation 3 91.
If the vehicle is low on electricity, do
not use the remote start feature. The
vehicle may run out of electricity.
The remote control range may be
reduced while the vehicle is running.Activating
1. Press and release ).
2. Immediately press and hold O
until the turn lights flash or for at
least 4 seconds. Pressing and
holding O again during remote
start will turn the feature off.
Remote start will automatically shut
off after 20 minutes, unless a time
extension is activated.
After entering the vehicle during
remote start, press POWERm on the
instrument panel with the brake pedal
depressed to operate as normal.
Extending the time
To extend the time by another
20 minutes, repeat the steps for
activating remote start. Remote start
can only be extended once.
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.
26Keys, doors and windowsPassive door lockThis feature locks the vehicle
automatically after several seconds if
an electronic key has been
recognised previously inside the
vehicle, all doors have then been
closed and the electronic key does
not remain within the vehicle.
If the electronic key remains in the
vehicle or the vehicle is not off,
passive door lock will not be
permitted.
If there have been two or more
electronic keys in the vehicle and the
vehicle was on once, the feature locks the vehicle if just one electronic key is
taken out of the vehicle.
To prevent locking of the vehicle e.g.
when passengers remain in the
vehicle, the system must be disabled.
To disable the system, press the
central locking button for a few
seconds while one door is open. The
function remains disabled until the
central locking button is pressed or
the vehicle is switched on.Activation or deactivation of passive
locking can be set in the menu
Settings I Vehicle settings I Remote
lock / unlock / start 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.
Child locks9 Warning
Use the child locks whenever
children are occupying the rear
seats.
Move the pin in the rear door to the front position. The door cannot be
opened from the inside.
To deactivate, move the pin to the
rear position.
Smartphone remote
function
This feature allows a smartphone to
be connected to the vehicle and
remote vehicle functions to be
requested. Features vary depending
on availability.
Features include: ● Remote commands: Use to lock /
unlock the vehicle, remote start
for the cabin climate, or sound or cancel the horn and flash the
lights.
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