Page 25 of 231

Keys, doors and windows23appears in the Driver Information
Centre (accompanied by a warning
chime when a certain speed is
exceeded), indicating that it is out of
reception range.
This helps you avoid, e.g., driving off
after dropping off a passenger who
has the electronic key.
The message disappears when the
electronic key is detected again.
Handsfree operation is automatically disabled when the electronic key
buttons have been operated or the
central locking switch e 3 24 is
pressed. To re-enable handsfree
operation, restart the engine.
Power button 3 129.
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 3 101.
Battery replacement, see 'Radio
remote control' 3 20.Fault
If the central locking system cannot
be operated or the engine cannot be
started, the cause may be one of the
following:
● fault in electronic key
● electronic key out of reception range
● battery voltage 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 sourcesEmergency manual key
Press and hold the release button on
the side of the electronic key and pull out the emergency manual key from
the top.
Manually lock or unlock the doors by turning the key in the lock.
After use, reinsert the emergency
manual key in the housing of the
electronic key.
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24Keys, doors and windowsDoor locks
Anti-theft security lock
To prevent the doors from being
opened from the outside, open the
driver's door and engage the anti-
theft security lock.
Using a suitable tool, turn the lock
switch on the door to the locked
position. The doors/tailgate cannot be opened from outside.
The anti-theft security lock remains
engaged even after unlocking the
vehicle with the remote control. The
doors/tailgate can only be opened
from inside or by using the manual
key.
Notice
Depending on version, the tailgate
may remain unlocked when the anti-
theft security lock is engaged.
To disengage, turn the switch to the
unlocked position.
Rear door manual lock
Turn the lock switch clockwise to lock
the left-hand rear door from inside the load compartment. To disengage
lock, turn the switch anticlockwise.
Rear doors 3 31.
Central locking system
Unlocks and locks the front doors,
sliding side doors and load
compartment.
With the 3-button remote control, the
front doors and load compartment/
sliding side doors (where fitted) can
be unlocked and locked separately.
For safety reasons, the vehicle
cannot be locked if the key is in the
ignition switch.
Notice
If no door is opened within approx. two minutes after the vehicle has
been unlocked, the vehicle is re-
locked automatically.
Close doors and load compartment. If the doors are not closed properly, the
central locking system will not work.
Refer to "Manual key operation"
below for further information.
Page 27 of 231
Keys, doors and windows25Remote control operationOperation of central locking system
with the remote control is confirmed
by the hazard warning flashers. The
hazard warning flashers flash once to
indicate the vehicle is unlocked, and
twice to indicate the vehicle is locked.
Unlocking with 2-button remote
control
Depending on model and
configuration:
● Press and hold c to unlock all
doors and the load compartment.
- or -
● Press c once to unlock the
driver's door, and press c twice to
unlock all doors and the load
compartment.
Unlocking with 3-button remote
control
Depending on model and
configuration:
● Press and hold c to unlock all
doors and the load compartment.
- or -
● Press c once to unlock the
driver's door, and press c twice to
unlock all doors and the load
compartment.
- or -
● Press c once to unlock all doors
and the load compartment.
Locking with 2-button remote control
Press e: All doors and the load
compartment are locked.
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26Keys, doors and windowsLocking with 3-button remote control
Press e: All doors and the load
compartment are locked.
Notice
Where fitted, alarm monitoring of the passenger compartment 3 36 is
switched off by pressing and holding
e (which is confirmed by an audible
signal).
If this was done unintentionally,
unlock the doors again and press e
briefly to lock the vehicle.
Load compartment locking and
unlocking with 2-button remote
control
Depending on model and
configuration, press c once or twice to
unlock the load compartment (and
sliding side doors).
Press e to lock the load compartment
(and, depending on version, the
sliding side doors).
Load compartment locking and
unlocking with 3-button remote
control
Press G to lock or unlock load
compartment (and, depending on
version, the sliding side doors).
Page 29 of 231

Keys, doors and windows27Electronic key system operation
For handsfree operation, the
electronic key must be outside the
vehicle, within a range of approx.
one metre of the front doors or load
compartment.
Notice
There is no button for handsfree
operation in the exterior door handle
of the sliding side door.
There must be no electronic key left
inside the vehicle and no additional
electronic key in the detection zones, or handsfree operation of the central
locking system will not work.
Operation of central locking system
with the electronic key is confirmed by
the hazard warning flashers. The
hazard warning flashers flash once to
indicate the vehicle is unlocked, and
twice to indicate the vehicle is locked.
When locking, if a door is open or
incorrectly closed, the central locking
system will lock and unlock in quick
succession without flashing the
hazard warning flashers.9 Danger
Never leave an electronic key
inside the vehicle when children or animals are left in the vehicle, to
avoid unintended operation of
windows, doors or engine. Risk of
fatal injury.
Unlocking with electronic key -
handsfree operation
Press the button on either front door
exterior handle to unlock, and pull the
handle to open.
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28Keys, doors and windows
For the rear doors/tailgate, press the
button 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 handsfree
operation.
Handsfree operation is automatically
disabled when the electronic key buttons have been operated. To re-
enable handsfree operation, restart
the engine.
Unlocking with electronic key buttons
Press c to unlock all doors and the
load compartment.
Locking with electronic key -
handsfree operation
Press the button on any exterior door
handle. All doors and the load
compartment are locked.
The vehicle only locks when at least
three seconds have passed since
unlocking using handsfree operation.
Handsfree operation is automatically
disabled when the electronic key
buttons have been operated. To re-
enable handsfree 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 -
handsfree operation
Press the button on the exterior door
handle to lock or unlock the rear
doors/tailgate (and sliding side doors)
Page 31 of 231

Keys, doors and windows29when the electronic key is within
range of the detection zone (approx.
one metre).
The rear doors/tailgate (and sliding side doors) only lock/unlock when at
least three seconds have passed
since the button was last pressed.
Handsfree operation is automatically
disabled when the electronic key
buttons have been operated. To re-
enable handsfree 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 22.
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 22.
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.
Page 32 of 231

30Keys, doors and windowsfive seconds. When closing the rear
doors/tailgate, they are locked
automatically.
Automatic locking 3 30.
Handsfree operation is automatically
disabled when e is pressed. To re-
enable handsfree operation, restart
the engine.
Electronic key system 3 22.
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 ignition switched on, press and hold e on the central locking
switch for approx. 5 seconds. An audible signal confirms activation.Deactivation
With the ignition switched on, 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.