Page 29 of 259

Keys, doors and windows27Doors
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 22.
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.
Page 30 of 259

28Keys, doors and windowsIf the switch is pressed while the
engine is in an Autostop, the engine
will restart automatically.
Stop-start system 3 134.
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.Bus
The engine is restarted automatically
when operating the power sliding
door switch during an Autostop.
Stop-start system 3 134.
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 thatnothing 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.
Emergency exit
In an emergency, the sliding side door
can be opened manually after
releasing the interior handle.
Page 31 of 259

Keys, doors and windows29Alternatively, if the vehicle is
unlocked, open the door using the exterior handle (depending on modelvariant). 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
It is the owner's responsibility to have
the drive belt replaced after every
25,000 cycles, and for this purpose a
counter is incorporated in the lower B- pillar. The counter is incremented at
each opening and closing, it is not
possible to reset the counter. Seek
the assistance of a workshop.
If 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.
Page 32 of 259

30Keys, doors and windows
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.
Rear doors
Lock and unlock the rear doors with
the remote control or key (if
equipped).
Central locking system 3 22, Manual
door locks 3 21.
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.
Page 33 of 259
Keys, doors and windows31
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 swing doors open to the
desired position.
When 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 closed due to the force of the wind!
When closing the doors, secure each
locking stay to the catch on the door
frame.
Page 34 of 259

32Keys, doors and windowsThe 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.
Activation
Press e twice within three seconds.
Hazard warning lights flash
five times as confirmation.
Deactivation Unlock the doors by pressing c on the
remote control.
Anti-theft alarm system The anti-theft alarm system is
operated in conjunction with the
central locking system.
Page 35 of 259

Keys, doors and windows33It monitors:● doors, tailgate, bonnet
● passenger compartment
● load compartment
● ignition
● interruption of alarm siren power supply
Activation All doors and the bonnet must be
closed.
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.
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 thevehicle, or if the auxiliary heater
3 121 is set for a timed or remote
controlled start.
Depending 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.
Page 36 of 259

34Keys, doors and windowsAlarmWhen 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, reconnect
vehicle 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. two 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. You should always lock the
vehicle after leaving it and switch on the anti-theft alarm system 3 22,
3 32.Exterior mirrors
Convex shape
The convex exterior mirror contains
an aspherical area and reduces blind spots. The shape of the mirror makes
objects appear smaller, which will
affect the ability to estimate
distances.
Manual adjustment
Adjust mirrors by swivelling in
required direction.
The lower mirrors are not adjustable.