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Keys, doors and windows319Warning
Ensure extended opening doors
are secured when fully opened.
Opened doors may slam closed due to the force of the wind!
Always close the right hand doorbefore the left hand door.
Central locking system 3 24.
Driving with an open load
compartment
In exceptional cases only, it is
possible to drive with the right-hand rear door open, e.g. if long objects
need to be transported. Open the left- hand followed by the right-hand rear
door, then close the left-hand rear door and lock it.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.
Notice
Do not use the left-hand rear door to
hold objects in place.
If possible, secure objects with
lashing straps attached to lashing
eyes 3 78.
Caution
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 85.
Always comply with local or national regulations.
Load compartment
Tailgate
Opening
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32Keys, doors and windowsDepending on the version, press '
to unlock the tailgate.
After unlocking, press the middle
tailgate button and open the tailgate.
Closing
Use the interior handle.
Do not push the middle tailgate button whilst closing as this will unlock the
tailgate again.
With the electronic key outside the
vehicle and within a range of approx.
one metre of the tailgate, press the
left tailgate button to lock the vehicle.
Central locking system 3 24.
General hints for operating
tailgate
9 Danger
Do not drive with the tailgate open
or ajar, e.g. when transporting
bulky objects, since toxic exhaust
gases, which cannot be seen or
Page 35 of 281

Keys, doors and windows33smelled, 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. Always check the
moving area above and behind the
tailgate.
Notice
The installation of certain heavy
accessories onto the tailgate may
affect its ability to remain open.
Notice
At low outside temperatures the
tailgate may not open fully by itself.
In this case lift the tailgate manually to its normal end position.
Emergency tailgate opening from
inside the vehicle
An access hole between the door and the floor enables the tailgate latch tobe released using a suitable tool.
Push lever to the left to unlock and
open the tailgate.
Rear window The rear window can be opened to
give access to the load compartment
without opening the tailgate.
The tailgate and the rear window
cannot be opened at the same time.
Opening
After unlocking, press the right
tailgate button and open the rear
window.
Closing
Press on the centre of the rear
window until it is fully closed.
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34Keys, doors and windowsVehicle 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 all the doors. All doors must be closed otherwise
the system cannot be activated.
Unlocking the vehicle disables the
mechanical anti-theft locking system.
This is not possible with the central
locking button.
Activating
Simple key: Insert the key and turn it
clockwise twice within 5 seconds.
Remote control: Press N on the radio
remote control twice within five
seconds.
Electronic key: Press twice with a
finger or thumb on one of the door
handles (at the markings) within five seconds
Anti-theft alarm system The anti-theft alarm system is
combined with the central locking
system.
It monitors: ● doors, tailgate, bonnet
● passenger compartment including adjoining load
compartment
Activation
Ignition must be switched off. All
doors must be closed and the
electronic key must not remain in the
vehicle. Otherwise the system cannot
be activated.
● Radio remote control: Monitoring
of doors, tailgate and bonnet is
self-activated 5 seconds after
locking the vehicle by pressing e.
Monitoring of passenger
compartment including adjoiningload compartment is self-
activated 45 seconds after
locking the vehicle by pressing e.
● Electronic key system: Monitoring of doors, tailgate and
bonnet is self-activated
5 seconds after locking the
vehicle by pressing with a finger
or thumb on one of the front door handles at the markings.
Monitoring of passenger
compartment including adjoining
load compartment is self-
activated 45 seconds after
locking the vehicle by pressing with a finger or thumb on one of
the front door handles at the
markings.
Activation is confirmed by the flashing of the status LED and coming on of
the turn lights for a short time.
If a door or the tailgate is not correctly
closed and the vehicle is locked via
remote control or electronic key
system, the vehicle remains
unlocked. However, the anti-theft
alarm system will be activated after
45 seconds.
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Keys, doors and windows35Notice
Changes to the vehicle interior such
as the use of seat covers and open
windows, could impair the function
of passenger compartment
monitoring.
Activation without monitoring of
passenger compartment
Switch off the monitoring of
passenger compartment when
animals are being left in the vehicle,
because of high volume ultrasonic
signals or movements triggering the
alarm. Also switch off when the
vehicle is on a ferry or train.
1. Switch of ignition.
2. Press U within the next 10
seconds until the LED of the
button illuminates constantly.
3. Get out of the vehicle.
4. Lock the vehicle immediately by using the remote control, pressing
with a finger or thumb on one of
the door handles (at the markings) or pressing the tailgate button.
Activation is indicated by the flashing
of the status LED.
Indication
LED in the central locking button
flashes if the anti-theft alarm system
is activated.
Seek the assistance of a workshop in
the event of faults.
Deactivation
Radio remote control: Unlocking the
vehicle by pressing c deactivates the
anti-theft alarm system.
Electronic key system: Unlocking the
vehicle by pressing on one of the front door handles at the markings
deactivates the anti-theft alarm
system.
The electronic key must be outside
the vehicle, within a range of approx. one metre of the relevant door side.
The system is not deactivated by
unlocking the driver's door with the
key or with the central locking button
in the passenger compartment.
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36Keys, doors and windowsNotice
If the vehicle is unlocked and no door is opened, the vehicle is
automatically relocked after 30
seconds. In this case, the anti-theft
alarm will be reactivated, too.
Alarm
When triggered, the alarm horn
sounds and the hazard warning lights flash simultaneously. The number
and duration of alarm signals are
stipulated by legislation.
The anti-theft alarm system can be
deactivated by pressing c, by
pressing on one of the front door
handles at the markings with
electronic key system. The LED of the
U button will extinguish and the turn
lights flash for a short time.
A triggered alarm, which has not been interrupted by the driver, will be
indicated by the rapid flashing of the
LED of the U button. If the ignition is
switched on, the flashing stops
immediately
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must bedeactivated as follows: switch the
ignition on then off, then disconnect
the vehicle's battery within 15 s.
Locking the vehicle without
activation of the anti-theft alarm
Lock the vehicle by inserting and
turning the integrated key of the
remote control or the electronic key
system in the lock cylinder of the
driver's door.
Malfunction of the remote control
Unlock the vehicle by inserting and
turning the integrated key of the
remote control or the electronic key
system in the lock cylinder of the
driver's door.
Open the driver's door.
The horn of the anti-theft alarm will
sound.
Switch on ignition.
The horn will stop sounding and the status LED extinguishes.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.
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 24 and switch on the anti-
theft alarm system 3 34.
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Keys, doors and windows37Exterior mirrors
Convex shape
The shape of the mirror makes
objects appear smaller, which will
affect the ability to estimate
distances.
Side blind spot alert 3 191.
Electric adjustment
Select the relevant exterior mirror by
pushing the mirror button C to the left
or right.
Adjust the respective mirror by the fourway control.
Select the relevant exterior mirror byturning the control to left C or right
D mirror symbol .
Adjust respective mirror by tilting the
fourway control.
Folding mirrors
For pedestrian safety, the exterior
mirrors will swing out of their normal
mounting position if they are struck
with sufficient force. Reposition the mirror by applying slight pressure tothe mirror housing.
Page 40 of 281
38Keys, doors and windowsElectric folding
Pull the mirror button C rearwards.
Both exterior mirrors will fold.
Pull the mirror button rearwards again
to return both exterior mirrors to their
original position.
If an electrically folded mirror is
manually extended, pulling mirror
button rearwards will only electrically
extend the other mirror.
Automatic folding When the vehicle is unlocked, the
mirrors swing to their normal
mounting position. When the vehicle
is locked, the mirrors are folded down.
The function can be deactivated in the
vehicle personalisation 3 116.
Heated mirrors
Depending on the version, heating is
operated by pressing e or d.
Heating works with the engine
running and is switched off
automatically after a short time.
Heated rear window 3 42.
Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.