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28Keys, doors and windows
Passive locking can be disabled by
pressing c for a few seconds while
one door is open. It remains disabled
until e is pressed or the ignition is
switched on.
Activation or deactivation of passive
locking can be set in the menu
Settings , I Vehicle in the Colour-Info-
Display.
Colour-Info-Display 3 118.
Vehicle personalisation 3 122.
The setting can be saved for the remote control or electronic key being used 3 23.Child locks9 Warning
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
5-door Hatchback, Sports Tourer,
Country Tourer
After unlocking, press the button
under the tailgate moulding and open the tailgate manually.
4-door Saloon
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Keys, doors and windows29
Press x on radio remote control
until the tailgate is opened
automatically, or press the button
under the tailgate moulding after
unlocking.
Central locking system 3 23.
Closing
Use the interior handle.
Do not pull the button under the
moulding whilst closing as this will unlock the tailgate again.
Central locking system 3 23.
Power tailgate
9 Warning
Take care when operating the
power tailgate. Risk of injury,
particularly to children.
Keep a close watch on the
movable tailgate when operating.
Ensure that nothing becomes
trapped during operating and no
one is standing within the moving
area.
The power tailgate is operated by:
■ x on the radio remote control.
■ The switch G in the door panel of
the driver's door.
■ The touchpad switch and G in
the tailgate.
On vehicles with automatic
transmission, the tailgate can only be operated when the vehicle is
stationary and automatic
transmission in P.
The tail lights flash and a chime
sounds when the power tailgate is
operating.
Notice
Operating the power tailgate does not operate the central locking
system. To open the tailgate with the remote control, it is not necessary to
unlock the vehicle. Unlock the
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32Keys, doors and windows
Notice
Adjusting opening height should be programmed at ground level.
A chime sound indicates the new
setting and the outer rear lights will
flash if the tailgate is below an
opening angel of 30°.
When turning the adjuster wheel in
the driver's door to intermediate mode 3/4 , the power tailgate will stop
opening at the newly set position.
The tailgate can only be held open ifa minimum height is exceeded
(minimum opening angle from 30°).
The opening height cannot be
programmed below that height.
Safety function
If the power tailgate encounters an obstacle during opening or closing,
the direction of movement will
automatically be reversed slightly.
Multiple obstacles in one power cycle
will deactivate the function. In this
case, close or open the tailgate
manually.The power tailgate has pinch sensors
on the side edges. If the sensors
detect obstacles between tailgate and chassis, the tailgate will open, until it
is activated again or closed manually.
The safety function is indicated by a
warning chime.
Remove all obstacles before
resuming normal power operation.
If the vehicle is equipped with factory-
fitted towing equipment and a trailer
is electrically connected, the power
tailgate can only be opened with the
touchpad switch or closed with G in
the open tailgate. Ensure that there
are no obstacles in the moving area.
General hints for operatingtailgate9 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, such as a
garage door, to avoid damage to
the tailgate. Always check the
moving area above and behind the
tailgate.
Notice
Power tailgate: If the lifters of the
open tailgate lose pressure, the
tailgate falls a bit and will then be
stopped by the system. Following
the tailgate will be power opened
and closed. During this the tail lights will flash and a chime will sound.
After closing, the tailgate may not be operated until it has been serviced
by a workshop.
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Keys, doors and windows33
Notice
The operation of the power tailgate
is disabled under low vehicle battery conditions. In this case, the tailgate
may not even by manually operable.
Notice
With the power tailgate disabled and
all doors unlocked, the tailgate can
only be operated manually. In this
event, manually closing the tailgate
requires significantly greater force.
Notice
The installation of certain heavy
accessories onto the tailgate may
affect its ability to remain open.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 all the doors.
All doors must be closed and the
electronic key must not remain in the
vehicle. 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 in the passenger
compartment.
Activating
Radio remote control or electronic
key: press e twice within 5 seconds.
Anti-theft alarm system The anti-theft alarm system is
operated in conjunction with the
central locking system.
It monitors: ■ doors, tailgate, bonnet
■ passenger compartment including adjoining load compartment
■ vehicle inclination, e.g. if it is raised
■ ignition
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Keys, doors and windows35
Status LED
Status LED is integrated in the sensor
on top of the instrument panel.
Status during the first 30 seconds of
anti-theft alarm system activation:
LED illuminates=test, arming delayLED flashes
quickly=doors, tailgate or
bonnet not
completely closed,
or system fault
Status after system is armed:
LED flashes
slowly=system is armedSeek the assistance of a workshop in
the event of faults.
Deactivation
Radio remote control: Unlocking the
vehicle by pressing c deactivates
anti-theft alarm system.
Electronic key system: Unlocking the
vehicle by pressing the button on any
exterior door handle deactivates anti-
theft alarm system.
The system is not deactivated when
unlocking the driver's door with the
key or with the central locking button
in the passenger compartment.
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 only by pressing c or by
pressing the switch on the door
handle (electronic key system) or
switching on the ignition.
A triggered alarm, which has not been interrupted by the driver, will be
indicated by the hazard warning
lights. They will flash quickly three
times when the vehicle is unlocked
next time with the radio remote
control. Additionally, a warning
message is displayed in the Driver
Information Centre after switching on
the ignition.
Vehicle messages 3 120.
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: switch the
Page 41 of 331

Keys, doors and windows39Automatic anti-dazzle
Dazzling by following vehicles at nightis automatically reduced by dimmingthe interior mirror.
Windows
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 on the windscreen 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 rear door windows can be
opened or closed manually with the
window cranks.
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.
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Keys, doors and windows41
Press c again for three seconds after
unlocking: windows will be opened.
Press e again for three seconds after
locking: windows will be closed.
Press any button to stop window
movement.
Folding mirrors 3 37.
Closing sunroof 3 42.
Confirmation
Complete opening or closing of the
windows is confirmed by the hazard
warning flashers.
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), a
warning message is displayed in the
Driver Information Centre.
Vehicle messages 3 120.
Activate the window electronics for
each window as following:
1. Close doors.
2. Switch on ignition.
3. Pull switch to the second detent until the window starts to close
and hold pulled for additional
4 seconds.
4. Push switch to the second detent until the window starts to open
automatically.
5. Repeat for each window.Heated rear window
Operated by pressing Ü.
The LED in the button indicates
activation.
Heating works with the engine
running and is switched off
automatically after a short time.
Sun visors The sun visors can be folded down orswivelled to the side to prevent
dazzling.
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42Keys, doors and windows
If the sun visors have integral mirrors,the mirror covers should be closed
when driving.
Roller blinds
To reduce sunlight at the rear seats,
pull the blind upwards using the grip
and engage it at the top of the door
frame.Roof
Sunroof9 Warning
Take care when operating the
sunroof. Risk of injury, particularly to children.
Keep a close watch on the
movable parts when operating
them. Ensure that nothing
becomes trapped in them as they
move.
Operable with ignition in position
Accessory power mode or Ignition on
power mode 3 153, 3 153.
Retained power off 3 155.
Sunroof, 5-door Hatchback/
4-door Saloon
Open or close
Press p or r gently to the first
detent: sunroof is opened or closed with safety function enabled as long
as the switch is operated.
Press p or r firmly to the second
detent and then release: the sunroof
is opened or closed automatically
with safety function enabled. To stop
movement, operate the switch once
more.