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Keys, doors and windows23Key with foldaway key section
Press button to extend. To fold the
key, first press the button.
Car Pass The Car Pass contains security-
related vehicle data and should
therefore be kept in a safe place.
When the vehicle is taken to a
workshop, this vehicle data is needed
in order to perform certain operations.
Radio remote control
Used to operate:
● central locking system
● anti-theft locking system
● anti-theft alarm system
The radio remote control has a range of approx. 20 m. It can be restrictedby external influences. The hazard
warning flashers confirm operation.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Fault
If the central locking system cannot be operated with the radio remote
control, it may be due to the following:
● The range is exceeded.
● The battery voltage is too low.
● Frequent, repeated operation of the radio remote control while not
in 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.
Unlocking 3 24.
Basic settings Some settings can be changed in the
Info Display.
Vehicle personalisation 3 106.
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24Keys, doors and windowsRadio remote control battery
replacement
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.
Extend the key and open the unit
sideways. Replace the battery
(battery type CR 2032), paying
attention to the installation position.
Close the unit and synchronise.
Memorised settings
Whenever the key is removed from
the ignition switch, the following
settings are automatically memorised by the key:
● lighting
● electronic climate control
● presets for Infotainment system
● central locking system
● comfort settings
The saved settings are automatically
used the next time the memorised key
is inserted into the ignition switch and
turned to position 1 3 134.
A precondition is that Personalization
by driver is activated in the personal
settings of the Info Display. This must
be set for each key used.
Vehicle personalisation 3 106.Central locking system
Unlocks and locks doors, load
compartment and fuel filler flap.
From inside the vehicle with the doors
locked, pull an interior door handle to unlock the respective door.
Note
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Note
3 minutes after unlocking with the
remote control, the doors are
relocked automatically if no door has
been opened.
Page 27 of 271

Keys, doors and windows25Unlocking
Press c.
Two settings are selectable in the
Info Display:
● To unlock only the driver's door and fuel filler flap, press c once.
To unlock all doors and load
compartment, press c twice.
● Press c once to unlock all doors,
load compartment and fuel filler
flap.
Vehicle personalisation 3 106.
The setting can be saved for the key
being used.
Memorised settings 3 24.
Unlocking and opening the tailgate
3 27.
Locking
Close doors, load compartment and
fuel filler flap.
Press e
.
If the driver's door is not closed
properly, the central locking system will not work.
Central locking buttons Locks or unlocks doors, the load
compartment and fuel filler flap from
inside the passenger compartment.
Press e to lock.
Press c to unlock.
Delayed door lock
Switch off engine and remove key from the lock. Press e with at least
one door opened and three chimes
will sound. When the last door is
closed, the vehicle will automatically
lock all doors after 5 seconds and
feedback is given.
After 10 minutes, the vehicle will automatically lock all doors even if a
door is still open. This function may be activated or deactivated in the Info
Display.
Vehicle personalisation 3 106.
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26Keys, doors and windowsFault in radio remote control
system
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 the other
doors, load compartment and fuel
filler flap.
By switching on the ignition, the anti-
theft locking system is deactivated.
Locking
Manually lock the driver's door by
turning the key in the lock.
Fault in central locking system
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. The load
compartment and fuel filler flap
cannot be opened.
To deactivate the anti-theft locking system, switch on the ignition 3 28.
Locking
Press 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
This security feature can be
configured to automatically lock
doors, load compartment and fuel
filler flap as soon as a certain speed
is exceeded.Additionally, it is configurable to
unlock the driver's door or all doors after the ignition is switched off and
the ignition key is removed (manual
transmission) or the selector lever is
moved to position P (automatic
transmission).
Settings can be changed in the
Info Display.
Vehicle personalisation 3 106.
The settings can be saved for the key being used 3 24.
Child locks9 Warning
Use the child locks whenever
children are occupying the rear
seats.
Page 29 of 271
Keys, doors and windows27
Using a key or suitable screwdriver,
turn switch on rear door lock to the
horizontal position. The door cannot
be opened from inside.
Doors
Load compartment TailgateOpening
To open the tailgate, push the
touchpad switch below the brand
emblem.
Closing
Use interior handle.
Do not press the touchpad switch
whilst closing as this will unlock the
tailgate again.
Central locking system 3 24.
General hints for operating
tailgate
9 Danger
Do not drive with the tailgate open
or ajar, e.g. when transporting
bulky objects, since toxic exhaust
Page 30 of 271

28Keys, doors and windowsgases, which cannot be seen or
smelled, could enter the vehicle.
This can cause unconsciousness
and even death.Caution
Before opening the tailgate, check overhead obstructions, e.g. a
garage door, to avoid damage to
the tailgate. Always check the
moving area above and behind the
tailgate.
Note
The installation of certain heavy
accessories onto the tailgate may
affect its ability to remain open.
Vehicle security
Anti-theft locking system9 Warning
Do not use the system if there are
people in the vehicle! The doorscannot be unlocked from the
inside.
The system deadlocks all the doors. All doors must be closed otherwise
the system cannot be activated.
If the ignition was on, the driver's door
must be opened and closed once so
that the vehicle can be secured.
Unlocking the vehicle disables the
mechanical anti-theft locking system.
This is not possible with the central
locking button.
Activating
Press e on the radio remote control
twice within 5 seconds.
Anti-theft alarm system
The anti-theft alarm system is
combined with the anti-theft locking
system.
It monitors: ● doors, tailgate, bonnet
● ignition
Page 31 of 271

Keys, doors and windows29Activation● Self-activated 30 seconds after locking the vehicle by pressing e
once.
● Directly by pressing e twice
within 5 seconds.
Status LED
Status LED is integrated in the sensor
on top of the instrument panel.
Status during the first 30 seconds of
anti-theft alarm system activation:LED illuminates:test, arming delayLED flashes
quickly:doors, tailgate or
bonnet not
completely closed,
or system fault
Status after system is armed:
LED flashes
slowly:system is armed
Seek the assistance of a workshop in the event of faults.
Deactivation Unlocking the vehicle by pressing c
deactivates anti-theft alarm system.
The system is not deactivated by
unlocking the driver's door with the
key or with the central locking button
in the passenger compartment.
Alarm When triggered, the alarm horn
sounds and the hazard warning lights
flash simultaneously. The number
and duration of alarm signals are
stipulated by legislation.
The alarm can be silenced by
pressing any button on the radio
remote control or by switching on the
ignition.
The anti-theft alarm system can only
be deactivated by pressing c on the
radio remote control or by switching
on the ignition.
A triggered alarm, which has not been interrupted by the driver, will be
indicated by the hazard warning
lights. They will flash quickly three
times when the vehicle is unlocked
with the radio remote control.
Vehicle messages 3 103.
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: Switch the
ignition on then off, then disconnect
the vehicle's battery within
15 seconds.
Immobiliser The system is part of the ignition
switch and checks whether the
vehicle is allowed to be started with
the key being used.
Page 32 of 271

30Keys, doors and windowsThe immobiliser is activated
automatically after the key has been
removed from the ignition switch.
If the control indicator d flashes when
the ignition is on, there is a fault in the
system; the engine cannot be started. Switch off the ignition and repeat the
start attempt.
If the control indicator continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
Note
The immobiliser does not lock the
doors. You should always lock the
vehicle after leaving it.
Switch on the anti-theft alarm
system 3 24, 3 28.
Control indicator d 3 95.Exterior mirrors
Convex shape
The shape of the mirror makes
objects appear smaller, which will
affect the ability to estimate
distances.
Side blind spot alert 3 170.
Electric adjustment
Select the relevant exterior mirror by
pressing the rocker switch to the left (L) or right (R). Then swivel the
control : to adjust the mirror.
Rocker switch in center position: no
mirror is selected to be adjusted.
Folding mirrors For pedestrian safety, the exterior
mirrors will swing out of their normal
mounting position if they are struck
with sufficient force. Reposition the
mirror by applying slight pressure to
the mirror housing.
Parking position
The exterior mirrors can be folded in
by pressing gently on the outer edge
of the housing, e.g. when in a
confined parking situation.