Page 32 of 351

30Keys, doors and windowsbe seen or smelled, could enter
the vehicle. This can cause
unconsciousness and even death.
Central locking system 3 23.
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.
The engine is restarted automatically
when operating the power sliding
door switch during an Autostop.
Stop-start system 3 227.
Notice
If the parking brake is not applied
when the switch is pressed, a
warning chime will sound and the
power sliding door will not open.
To stop movement at any time, press the switch again. Press once more to
continue power sliding door
movement.
Notice
If the power sliding door is locked
from the inside with the child lock
active, a warning chime will sound. Unlock the door manually from the
inside.
Closing
Press switch again; the LED flashes and a chime sounds during operation.
In the event of opening or closing
difficulties, e.g. due to frost, press and hold the switch to increase power to
the sliding door.9 Warning
Take care when operating the
power sliding door. Risk of injury,
particularly to children.
Take particular care when the
vehicle is parked on a slope: open
or close the door fully until it
latches into its locking position.
Keep a close watch on the moving door when operating. Ensure that
nothing becomes trapped during
operation and no-one is standing
within the moving area.
Notice
Do not operate power sliding door too often without engine running asthis will discharge the vehicle
battery.
Page 33 of 351

Keys, doors and windows31Emergency exit
In an emergency, the sliding side door
can be opened manually after
releasing the interior handle.
Alternatively, if the vehicle is
unlocked, open the door using the
exterior handle (depending on model variant). Lift the handle (3) to the
second notch position, then slide the
door backwards using the handle (2)
near the front edge of the door.
Reset
If the door has been opened
manually, the power sliding door
system must be reset.
Open the sliding side door halfway
and move the relevant handle to the
first notch position. The warning light
illuminates in the instrument panel.
Then press the button (1) on the relevant handle.
Move the handle back and forth to
ensure the door actuator motor
operates, then press and hold the
switch on the instrument panel to fully
close the door. The warning light
extinguishes when the system is
reset correctly.
Maintenance
The counter is incremented at each
opening and closing to determine the
replacement of the drive belt. Seek
the assistance of a workshop.
Page 34 of 351

32Keys, doors and windowsIf the drive belt should fail, the door
may still be opened and closed
manually.
Fault
If a system fault is detected when unlocking the doors, an audible
warning will sound and the LED in the switch illuminates. Check position of
exterior handle. Reset handle if in the
open position and use key to operate door locks.
Seek the assistance of a workshop if the fault remains.
Power side step9 Warning
Take care when using the power
side step, particularly in wet and
cold weather conditions.
The power side step operates
automatically when the sliding door is opened or closed.
9 Warning
Ensure there is adequate
clearance to allow the power side
step to fully extend and retract
without obstruction.
The indicator illuminates during
operation of the power side step. If it
remains illuminated with the door
closed, the step has not retracted, or
the door has not fully latched into its
locking position.
In the event of a failure, manually retract the power side step by
unscrewing the orange handwheel
located at the rear of the step,
ensuring that there are no obstacles
preventing closure. When the step is
retracted, screw in the orange
handwheel. Seek the assistance of a
workshop.
Page 35 of 351
Keys, doors and windows33Rear doors
Lock and unlock the rear doors with
the remote control or key (if
equipped).
Central locking system 3 23.
Manual door locks 3 23.
To open the right-hand rear door, pull
the exterior handle.
The right-hand door can also be
opened from inside the vehicle by
pulling the interior handle.
The left-hand rear door is then
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 or further
(depending on model) release locking
stays from the catches on the door
frames and lock in place. Swing doors open to the desired position.
Page 36 of 351

34Keys, doors and windowsWhen opening the doors to 270º, the
doors are retained in the fully open
position by magnets on the body side.9 Warning
Ensure extended opening doors
are secured when fully opened.
Opened doors may slam due to
the force of the wind!
When closing the doors, secure each
locking stay to the catch on the door
frame.
The rear doors can be locked from
inside the vehicle with the interior lock
switch on the inside of the right-hand door.
Always close the left-hand door
before the right-hand door.
Combi, Bus In left-hand drive vehicles, the rear
doors are opened from inside the
vehicle by pulling the interior handle.
In right-hand drive vehicles, from
inside the vehicle pull the interior
handle on the right-hand door and
open, then release the left-hand door by lowering the lever and open.
Always close the left-hand door
before the right-hand door.9 Danger
Do not drive with the rear doors
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.
Vehicle security
Anti-theft locking system9 Warning
Do not use the system if there are
people in the vehicle! The doorscannot be unlocked from the
inside.
The system deadlocks the doors. All
doors must be closed or the system
cannot be activated.
Notice
The anti-theft locking system cannot be activated when the hazard
warning lights or sidelights are
switched on.
Activation and deactivation are not
possible with the central locking
switch.
Page 37 of 351

Keys, doors and windows352-button and 3-button remote
control operation
Activation
Press e twice within 3 seconds.
Hazard warning lights flash
five times as confirmation.
Deactivation
Unlock the doors by pressing c on the
remote control.
Electronic key system operation Operation 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.
Deactivation
Unlock the doors by pressing the
button on any exterior door handle.
Hands-free operation is automatically
disabled when the central locking
switch e is pressed. To re-enable
hands-free operation, restart the
engine.
Central locking system 3 23.
Electronic key system 3 21.
Anti-theft alarm system
The anti-theft alarm system is
operated in conjunction with the
central locking system.
It monitors: ● doors, bonnet
● passenger compartment
● load compartment
● ignition
● interruption of alarm siren power supply
Activation
All doors and the bonnet must be
closed.
Page 38 of 351

36Keys, doors and windows
Press e to activate anti-theft alarm
system. Hazard warning lights flash
twice to confirm activation.
If the hazard warning lights do not
flash upon activation, a door or the
bonnet is not fully closed.
Notice
Changes to the vehicle interior, e.g.
the use of seat covers, and open
windows, could impair the function
of passenger compartment
monitoring.
Electronic key
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 on any exterior door
handle.
Electronic key system 3 21.
Deactivation
Unlocking the vehicle or switching on the ignition deactivates the anti-theft
alarm system. Hazard warning lights
flash once to confirm deactivation.
Notice
If the alarm has been triggered,
unlocking the vehicle with the key
will not stop the alarm siren. To stop the siren, switch on the ignition. The
hazard warning lights will not flash
upon deactivation if the alarm has
been triggered.
Activation without monitoring of
passenger compartment
Switch off monitoring of the
passenger compartment when
people or animals are being left in the
vehicle, or if the auxiliary heater
3 215 is set for a timed or remote
controlled start.
Page 39 of 351

Keys, doors and windows37Depending on vehicle configuration:● press and hold e, or
● switch ignition on and off twice quickly, then close doors and
activate the anti-theft alarm
system
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, reconnectvehicle battery and unlock vehicle
with remote control button c (or
switch on the ignition).
Immobiliser The system 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. 2 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 placed near the key when starting the
vehicle.Notice
The immobiliser does not lock the doors. Always lock the vehicle after
leaving it 3 23 and switch on the anti-
theft alarm system 3 35.