Page 25 of 281

Keys, doors and windows23Depending on the version, the
electronic key system enables a
keyless operation of the following functions:
● central locking system 3 24
● tailgate unlocking
● ignition switching on and starting the engine 3 146
● headlight activation
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 21.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Replacing battery in electronic
key
Replace the battery as soon as the
system no longer operates properly
or the range is reduced.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
1. Remove the cover.
2. Extract the flat battery from its location.
3. Replace battery with a battery ofthe same type. Pay attention to
the installation position.
4. Clip the cover in place.
Fault
If the central locking cannot be
operated or the engine 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 24.
Page 26 of 281

24Keys, doors and windowsCentral locking system
Unlocks and locks doors, load
compartment and fuel filler flap.
A pull on an interior door handle
unlocks and opens the respective
door.
Notice
In the event of an accident in which
airbags or belt pretensioners are
deployed, the vehicle is
automatically unlocked.
Notice
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 3 116.
Selective unlocking of cabin and
load compartment
Selective unlocking allows you to
unlock either the doors of the cabin
and the fuel filler flap or the loadcompartment, i.e., sliding doors, rear
door / tailgate. Selective unlocking
has to be configured.Graphic Info Display: Switch on
ignition. Press * more than 2
seconds. An audible signal is given
and a message is displayed in the
Graphic Info Display.
Colour Info Display: Select the
relevant setting in the Vehicle
personalisation.
Vehicle personalisation 3 116.
Remote control operation Unlocking
Press O.
Unlocking mode can be set. Two
settings are selectable:
● All doors and load compartment will be unlocked by pressing O.
● Only the driver's door and the passenger door will be unlocked
by pressing O.
Unlocking the load compartment
Press * or press O two times to
unlock the load compartment only,
i.e., sliding doors and rear doors or
tailgate.
Locking
Close doors and the load
compartment.
Page 27 of 281

Keys, doors and windows25Press N.
If the driver's door is not closed
properly, the central locking system will not work.
Confirmation
Operation of the central locking
system is confirmed by the hazard
warning flashers. A precondition is
that the setting is activated in the
vehicle personalisation 3 116.
Electronic key system operation
The electronic key must be outside
the vehicle, within a range of approx. one metre of the relevant door side.
Unlocking
Pass a hand behind the door handle
of one of the front doors or the rear
door to unlock the vehicle or press the middle tailgate button.
Keep the hand behind the door
handle or keep the tailgate button
pressed to open the windows.
Unlocking mode can be set in the
vehicle personalisation menu in the
Info Display. Two settings are
selectable:
● All doors, load compartment and fuel filler flap will be unlocked by
passing a hand behind one of the front door handles or the handle
of the rear door. If the vehicle is
equipped with a tailgate, press
the tailgate button.
● Only the front doors and the fuel filler flap will be unlocked bypassing a hand behind one of
front door handles.
Vehicle personalisation 3 116.
Unlocking the load compartment
Only the load compartment, i.e., the
rear door or the tailgate, will be
unlocked by passing a hand behind
the rear door handle or pressing the
tailgate button.
Locking
Page 28 of 281

26Keys, doors and windowsPress with a finger or thumb on one
of the door handles (at the markings)
or press the tailgate button.
All doors, load compartment and fuel
filler flap will be locked.
The system locks if any door has
been opened and all doors are now
closed.
If the driver's door is not closed
properly, the electronic key remains in the vehicle or the ignition is not off,
locking will not be permitted.
If there have been two or more
electronic keys in the vehicle and the
ignition was on once, the doors will be locked even if just one electronic key
is taken out of the vehicle.
Confirmation
Operation of central locking system is
confirmed by the hazard warning
flashers.
Central locking button
Locks or unlocks all doors and the
load compartment from inside the
passenger compartment. If thevehicle is equipped with electronic
key system, the fuel filler flap is locked or unlocked, too.
Press Q to lock. The LED in the button
illuminates.
Press Q again to unlock. The LED in
the button extinguishes.
If one of the doors is not closed,
pressing Q does not work.
If the load compartment is open, only
the doors of the cabin are locked.
Operation with the key in case of
a central locking system fault
In case of a fault, e.g. vehicle battery
or remote control / electronic key
battery is discharged, the driver's
door can be locked or unlocked with
the mechanical key.
Manual unlocking
Electronic key: press and hold the
latch to extract the integral key.
Manually unlock the driver's door by
inserting and turning the key in the
lock cylinder.
The other doors can be opened by
pulling the interior handle.
Page 29 of 281

Keys, doors and windows27By switching on the ignition, the anti-
theft locking system is deactivated.
Manual locking
Manually lock the doors, tailgate and
fuel filler flap by inserting and turning the key in the lock cylinder of the
driver's door.
Automatic locking Automatic locking after driving off
This system allows automatic locking of the doors and the tailgate as soon
as the speed of the vehicle exceeds
6 mph.
If one of the doors or the tailgate is
open, the automatic central locking
does not take place. This is signalled
by the sound of the locks rebounding, accompanied by illumination of h in
the instrument cluster, an audible
signal and the display of an alert
message.
This function can be activated or
deactivated at any time. With the
ignition on, press Q until an audible
signal starts and a corresponding message is displayed.
The state of the system stays in
memory when switching off the
ignition.
Automatic relock after unlocking
This feature automatically locks all
doors, load compartment and fuel
filler flap a short time after unlocking
with the remote control or electronic
key, provided no door has been
opened.
Child locks9 Warning
Use the child locks whenever
children are occupying the rear
seats.
Page 30 of 281
28Keys, doors and windowsMechanical child locks
Turn the red child lock in the rear doorclockwise as far as it will go by using
a key. The door cannot be opened
from the inside.
To deactivate, turn the child lock to
the horizontal position.
Electric child locks
Depending on version, the R button
may be located in the driver's door or
below the light switch.
Remotely operated system to prevent
opening of the rear doors via the
interior door handles and the use of
the rear power windows.
Switching on
Press R. The indicator lamp in the
button comes on, accompanied by a confirmation message. This indicator
lamp remains on until the child lock is
switched off.
Switching off
Press R again. The indicator lamp on
button goes off, accompanied by a
confirmation message. This indicator
lamp remains on while child lock is
switched on.
Page 31 of 281

Keys, doors and windows29Doors
Sliding door
Opening
After unlocking, pull the outside door
handle and slide the door towards the
rear beyond the point of resistance.
To open from inside push the handle
and slide the door towards the rear
beyond the point of resistance.
Closing To close from outside pull the door
handle and slide the door towards the
front until it locks.
To close from inside push the handle
and slide the door beyond the point of resistance. Then, use the shaped
recess at the top of the door pillar to
slide the door towards the front until it
locks.
Caution
Ensure the sliding side door is fully closed and secure before driving
the vehicle.
Caution
To avoid damage, do not attempt
to operate the sliding side door
when the fuel filler flap is open.
9 Danger
Do not drive with the sliding side
door open or ajar, e.g. when
transporting bulky objects, since
toxic exhaust gases, which cannot be seen or smelled, could enter
the vehicle. This can cause
unconsciousness and even death.
Refuelling 3 203.
Page 32 of 281
30Keys, doors and windowsRear doors
Unlock the rear doors with the remote control or by turning the key in the rear
door lock cylinder.
Central locking 3 24.
Always open the left hand door before the right hand door.
To open the left hand rear door, pull
the exterior handle.
The door is opened from inside the
vehicle by pulling the interior handle.
The right hand rear door is released
using the lever.
9 Warning
The rear lights may be obscured if
the rear doors are open and the
vehicle is parked on the roadside.
Make other road users aware of the vehicle, by using a warning
triangle or other equipment
specified in the road traffic
regulations.
The doors are retained in the 90º
position by locking stays. To open the
doors to 180º, push the latch and
swing open to the desired position.
Before closing the doors fix the
locking stays to the 90º position.