Page 27 of 233

Keys, doors and windows25Handsfree operation is automatically
disabled when the electronic key buttons have been operated or the
central locking switch e 3 26 is
pressed. To re-enable handsfree
operation, restart the engine.
Power button 3 131.
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 3 103.
Battery replacement, see 'Radio
remote control' 3 22.
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 sources
Emergency 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.
Door 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.
Page 28 of 233

26Keys, doors and windowsThe 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.
Note
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 lockTurn 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 33.
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.
Note
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.Remote control operation
Operation 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.
Page 31 of 233

Keys, doors and windows29Operation 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.
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.
Page 32 of 233

30Keys, doors and windowsUnlocking 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)
when 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 buttons
Page 33 of 233

Keys, doors and windows31Press G to lock/unlock the rear
doors/tailgate (and sliding side
doors).
Electronic key system 3 24.
Manual key operation
Manually lock or unlock the doors by
turning the key in the lock.
Note
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 24.
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.
five seconds. When closing the rear
doors/tailgate, they are locked
automatically.
Automatic locking 3 31.
Handsfree operation is automatically disabled when e is pressed. To re-
enable handsfree operation, restart
the engine.
Electronic key system 3 24.
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.
Page 37 of 233

Keys, doors and windows35Caution
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 82.
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.
Note
In very cold climates, the opening
assistance provided by the tailgate
hydraulic struts may be reduced.
Central locking system 3 26.
Closing
Lower the tailgate using the interior
strap.
Caution
Place fingers through the strap
before pulling, to avoid damage to the strap.
Release strap when tailgate is
lowered and push tailgate to close
fully.
Central locking system 3 26.
Page 38 of 233
36Keys, doors and windowsEmergency tailgate opening from
inside the vehicle
Depending on model, prise off the
cover on the inside of the tailgate.
Then grasp the metal string and pull
it downwards to unlock. Push the
tailgate to open.
General hints for operating
tailgate9 Danger
Do not drive with the tailgate open
or ajar, e.g. when transporting
bulky objects, since toxic exhaust
gases, which can not 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.
Ensure there is adequate
clearance both above (at least
2.15 metres) and behind when
opening tailgate.
Note
The installation of certain heavy
accessories onto the tailgate may
affect its ability to remain open.
Page 40 of 233

38Keys, doors and windows
Press e twice.
Deactivation
Unlock the doors by pressing the
button on any exterior door handle or
press c.
Handsfree operation is automatically
disabled when the electronic key
buttons have been operated (or the
central locking switch e is pressed).
To re-enable handsfree operation,
restart the engine.
Central locking system 3 26.
Electronic key system 3 24.
Anti-theft alarm system
The anti-theft alarm system is
operated in conjunction with the
central locking system 3 26.
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.2-button and 3-button remote control
Press e to activate the anti-theft alarm
system.
Electronic key
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.