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28Keys, doors and windows
For the rear doors / tailgate, press thebutton on the exterior handle to
unlock, and pull the handle to open.
The vehicle only unlocks when at
least three seconds have passed
since locking using hands-free
operation.
Hands-free operation is automatically
disabled when the electronic key
buttons have been operated. To re-
enable hands-free operation, restart
the engine.
Unlocking with electronic key buttons
Press c to unlock all doors and the
load compartment.
Locking with electronic key - hands-
free operation
Press the button on any exterior door
handle. All doors and the load
compartment are locked.
The vehicle only locks when at least 3 seconds have passed since
unlocking using hands-free
operation.
Hands-free operation is automatically disabled when the electronic key
buttons have been operated. To re-
enable hands-free operation, restart
the engine.
Locking with electronic key buttons
Press e to lock all doors and the load
compartment.
Load compartment locking and
unlocking with electronic key - hands-
free operation
Press the button on the exterior door
handle to lock or unlock the rear
doors / tailgate (and sliding side
Page 31 of 239

Keys, doors and windows29doors) when the electronic key is
within range of the detection zone
(approx. 1 m).
The rear doors / tailgate (and sliding
side doors) only lock / unlock when at
least 3 seconds have passed since
the button was last pressed.
Hands-free operation is automatically disabled when the electronic key
buttons have been operated. To re-
enable hands-free operation, restart
the engine.
Load compartment locking and
unlocking with electronic key buttonsPress G to lock / unlock the rear
doors / tailgate (and sliding side
doors).
Electronic key system 3 21.
Manual key operation
Manually lock or unlock the doors by
turning the key in the lock.
Notice
If the battery in the electronic key
needs to be replaced, the vehicle
can still be locked / unlocked using
the emergency manual key in the
housing of the electronic key 3 21.
Central locking switch
Locks or unlocks the doors and loadcompartment from the passenger
compartment.
Press e to lock the vehicle. Activation
is indicated by the LED in the button.
When closing any open door, the door is locked automatically.
Press e again to unlock the vehicle.
If the vehicle is driven with an open
load compartment, the front doors
(and sliding side doors) can still be
locked. With the ignition switched on,
press and hold e for approx.
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30Keys, doors and windows5 seconds. When closing the rear
doors / tailgate, they are locked
automatically.
Automatic locking 3 30.
Hands-free operation is automatically disabled when e is pressed. To re-
enable hands-free operation, restart
the engine.
Electronic key system 3 21.
Automatic locking Automatic locking after driving off
This security feature can be
configured to automatically lock the
doors and load compartment as soon as the vehicle is driven.
Activation
With the engine running, press and
hold e on the central locking switch for
approx. 5 seconds. An audible signal
confirms activation.Deactivation
With the engine running, press and
hold e on the central locking switch for
approx. 5 seconds. An audible signal
confirms deactivation.
Central locking switch 3 24.
Child locks
The child safety lock for the sliding
side door is located on its rearward
facing edge.
To prevent the sliding side door from being opened from the inside, open
the door and engage the child lock.
9 Warning
Use the child locks whenever
children are occupying the rear
seats, to prevent unintentional
opening from the inside.
Using a suitable tool, turn the child
lock switch in the sliding side door to
the locked position; the door cannot
be opened from the inside.
The child lock remains engaged even after unlocking the vehicle with the
remote control. The door can only be
opened from outside.
To disengage, turn the child lock
switch to the unlocked position.
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Keys, doors and windows33
Engage the interior lock in its housing
by turning the handle clockwise to the locked position. The door is bolted
and cannot be opened from outside.
Notice
The number plate is only
distinguishable and illuminated
correctly if the rear doors are closed.
Disengage the lock by turning the
handle anticlockwise, to enable the
door to be opened.
Caution
Always make sure that the load in
the vehicle is securely stowed
when driving with an open load compartment.
For further information, refer to
"Loading information" 3 80.
Always comply with local or national regulations.
9 Danger
Engine exhaust gases contain
poisonous carbon monoxide,
which is colourless and odourless and could be fatal if inhaled.
When driving with an open load
compartment, exhaust gases
could enter the vehicle. Open the
windows.
Load compartment
Tailgate Opening
After unlocking, press tailgate button
and lift tailgate to the fully open
position.
The tailgate can be also opened from inside the vehicle by operating the
tailgate interior release.
Notice
In very cold climates, the opening
assistance provided by the tailgate
hydraulic struts may be reduced.
Central locking system 3 24.
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36Keys, doors and windowsElectronic key system operationOperation is confirmed by the hazard
warning flashers.
Activation
For hands-free operation, the
electronic key must be outside the
vehicle, within a range of approx.
1 m of the front doors or load
compartment.
Press the button twice on any exterior
door handle.
- or -
Press e twice.
Deactivation
Unlock the doors by pressing the
button on any exterior door handle or
press c.
Hands-free operation is automatically
disabled when the electronic key
buttons have been operated (or the
central locking switch e is pressed).
To re-enable hands-free operation,
restart the engine.
Central locking system 3 24.
Electronic key system 3 21.
Anti-theft alarm system
The anti-theft alarm system is
operated in conjunction with the
central locking system 3 24.
It monitors: ● doors, rear doors / tailgate, bonnet
● passenger compartment
● load compartment
● ignition
● interruption of alarm siren power supply
Activation
All doors and the bonnet must be
closed.
Hazard warning lights flash to confirm activation. If the hazard warning lights do not flash upon activation, a door or
the bonnet is not fully closed.
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38Keys, doors and windowsActivation without monitoring of
passenger compartment
Disable monitoring of the passenger
compartment, e.g. when animals are
being left in the vehicle, or if the
auxiliary heater has been set for a
timed or remote controlled start
3 122.
Press and hold e on the remote
control or electronic key. An audible
signal will sound as confirmation.
The status will remain until the doors
are unlocked.
Alarm When triggered, the alarm sounds via a separate battery-backed power
sounder, and the hazard warning
lights flash simultaneously. The
number and duration of alarm signals are stipulated by legislation.
If the vehicle battery is disconnected
or its power supply is interrupted, the
alarm siren will be triggered. First
deactivate the anti-theft alarm system
if the vehicle battery must be
disconnected.To silence the alarm siren (if
triggered) and therefore deactivate
the anti-theft alarm system, reconnect vehicle battery and unlock the vehicle
or switch on the ignition.
Immobiliser
The immobiliser is part of the ignition
switch and checks whether the
vehicle is allowed to be started with
the key being used.
The immobiliser is activated
automatically after the key has been
removed from the ignition switch and
also if the key is left in the ignition
switch when the engine is turned off.
If the engine cannot be started, switch off the ignition and remove key, wait
approx. two seconds and then repeat
the start attempt. If start attempt is
unsuccessful, attempt to start the
engine using the spare key and seek
the assistance of a workshop.Notice
Radio Frequency Identification
(RFID) tags may cause interference with the key. Do not have it placednear the key when starting the
vehicle.
Notice
The immobiliser does not lock the doors. You should always lock the
vehicle after leaving it and switch on
the anti-theft alarm system 3 24,
3 36.
Page 42 of 239
40Keys, doors and windowsDepending on version, exterior
mirrors can be automatically folded to the parking position upon locking the
vehicle. For further information, refer
to the Infotainment manual.
Heated mirrors
Operated by pressing Ü
. Activation is
indicated by the LED in the button.
Heating functions with the engine running. It is switched off
automatically after a short time.
Climate control system 3 116.
Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.
Wide view mirror
Depending on vehicle, a large convex
mirror is located in the front
passenger sun visor which helps to
increase visibility and reduce blind
spots.
Page 45 of 239
Keys, doors and windows43Sun blind
Depending on vehicle, a sunblind is
integrated into the window cover.
To close, pull handle downwards and engage the locks at the bottom.
To open, disengage the locks by
pulling sunblind towards you slightly
and guide it upwards.
Heated rear window
Operated by pressing Ü. Activation is
indicated by the LED in the button.
Heating functions with the engine running and is switched off
automatically after a short time.
Climate control system 3 116.
Sun visors
The sun visors can be folded down or swivelled to the side to prevent
dazzling.
Sun visors have vanity mirrors and a
ticket holder on the rear.
The mirror covers should be closed when driving.
Wide view mirror 3 40.