Page 25 of 353

Keys, doors and windows23Open battery compartment by
inserting a coin into the slot and
twisting.
Replace the battery (battery type
CR2016), paying attention to the
installation position.
Note
Do not touch the electronic circuit in
the cover when replacing the
battery.
Reattach both halves of cover
ensuring it engages correctly.
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
Door locks Anti-theft security lock
To prevent the front doors from beingopened from the outside, open the
door and engage the anti-theft
security lock.
Using a suitable tool, turn the lock
switch on the door to the horizontal locked position. The door cannot be
opened from outside and can only be
opened from inside the vehicle or by
using the manual key.
To disengage, turn the switch to the
unlocked position.
Manual door locks
To unlock the front doors manually,
turn the key in the driver's door lock.
Open the front doors by pulling the handles.
Sliding side door(s) 3 30.
Page 26 of 353

24Keys, doors and windows
To unlock the rear doors manually,
turn the key in the right-hand rear
door lock. Open the door by pulling the handle.
The left-hand rear door is then
released using the lever on the inside
edge of the door.
Always close the left-hand door
before the right-hand door.
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
(and, depending on vehicle
configuration, the sliding side doors)
can be unlocked and locked
separately.
Note
A short time after unlocking with the
remote control the doors are locked
automatically if no door has been
opened.Unlocking the vehicle
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
Press c to unlock the front doors.
Press again to unlock entire vehicle.
Page 27 of 353

Keys, doors and windows25Unlocking with 3-button remote
control
Depending on vehicle configuration:
● Press c: Front doors and sliding
side doors are unlocked.
Press c again: Load
compartment is also unlocked.
● Press c: Front doors are
unlocked.
Press c again: Sliding side doors
and the load compartment are
also unlocked.
● Press c: All doors and the load
compartment are unlocked.
Locking the vehicle
Close all doors and load
compartment.
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.
Locking with 2-button remote control
Press e: All doors and the load
compartment are locked.
Locking with 3-button remote control
Press e: All doors and the load
compartment are locked.
Note
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.
Page 28 of 353
26Keys, doors and windowsLoad compartmentLocking and unlocking load
compartment with 2-button remote
control
After unlocking the front doors with c,
press c again: Load compartment is
unlocked.
Press e once: Load compartment is
locked.
Locking and unlocking load
compartment with 3-button remote
control
Depending on vehicle configuration:
● Press G: Load compartment is
locked or unlocked.
● Press G: Load compartment
and sliding side doors are locked or unlocked.
Electronic key system operation
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.
Note
There is no button for hands-free
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 hands-free operation of the centrallocking system will not work.
Page 29 of 353

Keys, doors and windows27Operation 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 once for 4 seconds 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.
Unlocking with electronic key - hands-
free operationPress the button on either front door
exterior handle to unlock, and pull the
handle to open.
For the rear doors, press the button
on the exterior handle to unlock, and
pull the handle to open.
The vehicle only unlocks when at
least 3 seconds have passed since
locking using hands-free operation.
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.
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
(and sliding side doors) when the
electronic key is within range of the
detection zone (approx. 1 m).The rear doors (and sliding side
doors) only lock / unlock when at least 3 seconds have passed since the
button was last pressed.
Central locking switch Locks or unlocks the doors and loadcompartment from inside the
passenger compartment.
Press e to lock or unlock.
LED in switch illuminates when the
vehicle is locked.
Depending on version, if the vehicle
is driven with an open load
compartment, the front doors (and
sliding side doors) can still be locked.
Page 30 of 353

28Keys, doors and windowsWith the ignition switched on, press
and hold e for more than 5 seconds.
When closing the rear doors, they are locked automatically.
Automatic locking when exiting the
vehicle
Depending on version, the e switch
can also be used to lock all doors and the load compartment automatically
when closing the front door and
exiting the vehicle:
Remove key from ignition switch then
press and hold the e switch for more
than 5 seconds. The vehicle is locked when the front door is closed.
Automatic locking after driving off
3 29.
Fault in remote control system Unlocking
Manually unlock the front door by turning the key in the lock.
Switch on the ignition and press the central locking switch e to open all
doors and the load compartment.Locking
Manually lock the front door by
turning the key in the lock.
Fault in central locking system
Unlocking
Manually unlock the front door by
turning the key in the lock. The other
doors can be opened by pulling the
interior handles.
Locking
Using a key or suitable screwdriver,
turn switch. The door can only be
opened from inside or the front door
by turning the key in the lock.
Power door locks
Combi, Bus For safety, it is possible for the driver
to operate the passenger door locks
remotely.
All doors must be fully closed and
automatic locking deactivated 3 29.
To lock, turn the switch to b. The
warning light alongside the switch will
flash once and an audible warning will
sound.
Page 31 of 353

Keys, doors and windows29
Warning lights in the appropriate
doors extinguish.
To unlock, turn the switch to a.
Warning lights in the appropriate
doors illuminate continuously.
Fault
In the event of a fault in the system,
the warning light alongside the switch illuminates continuously and an
audible warning will sound.
Unlock manually the sliding door and
the rear doors with interior lock
switches.
If necessary, have the cause of the
fault remedied by a workshop.
Automatic locking
Automatic locking after driving off Depending on version, this security
feature can be configured to
automatically lock all doors and the
load compartment as soon as the
vehicle is driven.
Activation
With the ignition switched on, press
and hold the central locking switch e
for approx. 5 seconds. An audible
signal confirms activation.
LED in switch illuminates when the
vehicle is locked.
Deactivation
With the ignition switched on, press and hold e for approx. 5 seconds. An
audible signal confirms deactivation.
Child locks9 Warning
Use the child locks whenever
children are occupying the rear
seats.
Press down the child lock, door
cannot be opened from the inside.
Raise to deactivate.
Page 32 of 353

30Keys, doors and windowsDoors
Sliding door
Unlock the sliding side door with the remote control or key (if equipped).
Open the door by pulling the handle
and sliding the door towards the rear.
Open and close the sliding side door
only when the vehicle is at a standstill with the parking brake applied (on
certain models, a warning chime will
sound when the sliding side door is
open and the parking brake is
released).The sliding side door can be locked
from inside the vehicle with the
interior lock switch.
Ensure the side door is fully closed
and secure before driving the vehicle.9 Warning
Take care when operating the
sliding side door. Risk of injury.
Ensure that nothing becomes
trapped during operation and no-
one is standing within the moving
area.
If the vehicle is parked on a slope,
open sliding doors may move
accidentally on account of their
weight.
Close the sliding doors before
driving off.
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.
Central locking system 3 24.
Power sliding door
Opening
With vehicle at a standstill and the
parking brake applied, press switch
on instrument panel to open the
power sliding door automatically. The
LED in the switch flashes during
operation.