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Keys, doors and windows23
Fault in central locking systemUnlocking
Manually unlock the driver's door by
turning the key in the lock. The other
doors can be opened by pulling the
interior handle twice. The load
compartment and fuel filler flap
cannot be opened. To deactivate the
anti-theft locking system, switch on
the ignition 3 25.
Locking
Push inside locking knob of all doors
except driver's door. Then close the driver's door and lock it from the
outside with the key. The fuel filler flap
and tailgate cannot be locked.
Delayed locking This feature will delay the actual
locking of the doors and arming of the
anti-theft alarm system for
five seconds when the power door
lock switch or radio remote control is
used to lock the vehicle.
This can be changed in the vehicle
settings.Vehicle personalisation 3 98.
ON : When pressing the central
locking button, three chimes will
sound to signal delayed locking is in
use.
The doors will not lock until
five seconds after the last door is
closed. You can temporarily override
delayed locking by pressing the
central locking button or the locking
button on the radio remote control.
OFF : The doors will lock immediately
when pressing the power lock switch
or the button e on the radio remote
control.
Automatic locking This security feature can be
configured to automatically lock all
doors, load compartment and fuel
filler flap as soon as a certain speed
is exceeded.
Additionally, it is configurable to
unlock the driver's door or all doors
after the ignition is switched off and
the ignition key is removed (manualtransmission) or the selector lever is
moved to position P (automatic
transmission).
Settings can be changed in the menu Settings in the Info-Display. Vehicle
personalisation 3 98.
The settings can be saved for the key being used 3 21.
Child locks
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24Keys, doors and windows9Warning
Use the child locks whenever
children are occupying the rear
seats.
Using a key or suitable screwdriver,
turn the child lock in the rear door to
the horizontal position. The door
cannot be opened from the inside. For
deactivation turn the child lock to the
vertical position.
Doors
Load compartment
Tailgate
Opening
After unlocking, push the touchpad
switch and open the tailgate.
Closing
Use one of the interior handles.
Do not push the touchpad switch or
the brand emblem whilst closing as
this will unlock the tailgate again.
Central locking system 3 21.
General hints for operating
tailgate9 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
smelled, 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.
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Keys, doors and windows25Vehicle 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.
If the ignition was on, the driver's door
must be opened and closed once so
that the vehicle can be secured.
Unlocking the vehicle disables the
mechanical anti-theft locking system.
This is not possible with the central
locking button.
Activating
Press e on the radio remote control
twice within 5 seconds.
Anti-theft alarm system
The anti-theft alarm system is
combined with the central locking
system.
It monitors: ■ Doors, load compartment, bonnet,
■ Ignition.
Unlocking the vehicle deactivates the
anti-theft alarm system.
Activation
■ Self-activated 30 seconds after locking the vehicle (initialisation of
the system)
■ Directly by pressing e on the radio
remote control once more after locking
Notice
Changes to the vehicle interior, e.g.
the use of seat covers, and open
windows, could impair the function
of passenger compartment
monitoring.
Status LED
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26Keys, doors and windows
Status LED is integrated in the sensoron top of the instrument panel.
Status during the first 30 seconds of
anti-theft alarm system activation:LED illu‐
minates=test, arming delay.LED
flashes
quickly=doors, tailgate or
bonnet not completely
closed, or system fault.
Status after system is armed:
LED flashes
slowly=system is armed.
Seek the assistance of a workshop in
the event of faults.
Deactivation Unlocking the vehicle deactivates the
anti-theft alarm system.
Alarm The alarm can be silenced by
pressing any button of the radio
remote control or by switching on the
ignition.
The anti-theft alarm system can be
deactivated by pressing the button e
or switching on the ignition.
Auto door locking
If any of the doors is not opened or the
position of the ignition key is not
located in position 2 or 3 3 121 within
3 minutes after unlocking doors with
the radio remote control, all doors are locked and the anti-theft alarm
system is activated automatically.
Automatic door unlocking
All doors will be automatically
unlocked when impact is delivered to
impact sensors while the ignition is
switched on.
However, the doors may not be
unlocked if mechanical problems
occur with the door locking system or battery.
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.If the control indicator d flashes when
the ignition is on, there is a fault in the system; the engine cannot be started.
Switch off the ignition and repeat the
start attempt.
If the control indicator continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
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 21,
3 25.
Control indicator d 3 87.
Page 29 of 217
Keys, doors and windows27Exterior 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.
Electric adjustment
Select the relevant exterior mirror by
turning the control to left (L) or right
(R) . Then swivel the control to adjust
the mirror.
In position 0 no mirror is selected.
Folding mirrors
Manual folding
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.
Electric folding
Turn control to 0, then push the
control backwards. Both exterior
mirrors will fold in.
Push the control backwards again -
both exterior mirrors return to their
original position.
Page 30 of 217
28Keys, doors and windowsHeated mirrors
Operated by pressing the Ü button.
Heating functions with the engine running and is switched off
automatically after a short time.
Interior mirrors
Manual anti-dazzle
To reduce dazzle, adjust the lever on the underside of the mirror housing.
Automatic anti-dazzle
Dazzle from following vehicles at
night is automatically reduced.
Page 31 of 217

Keys, doors and windows29Windows
Windscreen
Heat-reflecting windscreen The heat-reflecting windscreen has a
coating which reflects solar radiation.
Also data signals, e.g. from toll
stations, might be reflected.
The marked areas of the windscreen
behind the interior mirror are not
covered with the coating. Devices for
electronic data recording and fee
payment must be attached in these
areas. Otherwise data recording
malfunctions may occur.
Windscreen stickers
Do not attach stickers such as toll
road stickers or similar on the
windscreen in the area of the interior
mirror. Otherwise the detection zone
of the sensor and the view area of the camera in the mirror housing could be
restricted.
Manual windows The door windows can be opened or
closed with the window winders.
Power windows9 Warning
Take care when operating the
power windows. Risk of injury,
particularly to children.
If there are children on the rear seats, switch on the child safety
system for the power windows.
Keep a close watch on the
windows when closing them.
Ensure that nothing becomes
trapped in them as they move.
Switch on ignition to operate power
windows.
Operate the switch for the respective
window by pushing to open or pulling to close.
Pushing or pulling gently to the first
detent: window moves up or down as long as the switch is operated.
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30Keys, doors and windows
Pushing or pulling firmly to the second
detent and then releasing: window
moves up or down automatically with
safety function enabled. To stop
movement, operate the switch once
more in the same direction.
Safety function If the window glass encounters
resistance above the middle of the
window during automatic closing, it is
immediately stopped and opened
again.
Override safety function
In the event of closing difficulties due to frost or the like, switch on the
ignition, then pull the switch to the first
detent and hold. The window moves
up without safety function enabled.
To stop movement, release the
switch.Child safety system for rear
windows
Press switch z to deactivate rear
power windows.
To activate, press z again.
Overload If the windows are repeatedly
operated within short intervals, the window operation is disabled for
some time.
Initialising the power windows
If the windows cannot be closed
automatically (e.g. after
disconnecting the vehicle battery),
activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Close the window completely and
keep the switch pulled for
additional 2 seconds.
4. Repeat for each window.
Heated rear window