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32Keys, doors and windows
Adjust reduced opening height in
intermediate mode
1. Turn operation mode switch to 3/4 .
2. Open power tailgate with any operation switch.
3. Stop movement at the desired height by pressing any operation
switch. If required, manually move
the stopped tailgate to the desired position.
4. Press and hold the button on the
inside of the open tailgate for
3 seconds.
Note
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 if a 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 button
G in the open tailgate. Ensure that
there are no obstacles in the moving
area.
General hints for operating
tailgate9 Warning
Do not drive with the tailgate open
or ajar, e.g. when transporting
bulky objects, since toxic exhaust
gases, which can not be seen or
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Keys, doors and windows33smelled, 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.
Note
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.
Note
The operation of the power tailgate
is disabled under low vehicle battery
conditions. In this case, the tailgate
can even not be operated manually.
Note
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.
Note
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.
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36Keys, doors and windows
AlarmWhen 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.
The anti-theft alarm system can be
deactivated only by pressing the
button 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 3 116.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 is removed from the ignition switch.
If 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 start
attempt.
If control indicator d continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
Note
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 23,
3 34.
Control indicator d 3 105.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.
Electric adjustment
Select the relevant exterior mirror by
switching the control to left mirror (L)
or right mirror (R). Then swivel the
control to adjust the mirror.
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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.
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.
Operable with ignition in position
Accessory power mode or Ignition on
power mode 3 149, 3 149.
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Keys, doors and windows41
Press button c again for
three seconds after unlocking: all
windows will be opened.
Press button e again for
three seconds after locking: all
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 windowsIf 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 3 116.
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 the Ü button.
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 3 149, 3 149.
Retained power off 3 151.
Sunroof, 5-door Hatchback/
4-door Saloon
Open or close
Press switch 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 switch 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.
Page 47 of 321
Seats, restraints45Seats, restraintsHead restraints............................ 45
Front seats ................................... 47
Rear seats ................................... 54
Seat belts ..................................... 54
Airbag system .............................. 58
Child restraints ............................. 62Head restraints
Position9 Warning
Only drive with the head restraint
set to the proper position.
The upper edge of the head restraint
should be at upper head level. If this
is not possible for extremely tall
people, set to highest position, and
set to lowest position for small people.
Adjustment
Head restraints on front seats
Height adjustment
Press release button, adjust height,
engage.
Page 49 of 321

Seats, restraints47Front seats
Seat position9 Warning
Only drive with the seat correctly
adjusted.
■ Sit with buttocks as far back against
the backrest as possible. Adjust the distance between the seat and the
pedals so that legs are slightly
angled when pressing the pedals.
Slide the front passenger seat as
far back as possible.
■ Sit with shoulders as far back against the backrest as possible.
Set the backrest rake so that it is possible to easily reach the
steering wheel with arms slightly bent. Maintain contact between
shoulders and the backrest when
turning the steering wheel. Do not
angle the backrest too far back. We recommend a maximum rake of
approx. 25°.
■ Adjust the steering wheel 3 82.
■ Set seat height high enough to have a clear field of vision on allsides and of all display instruments.
There should be at least one hand
of clearance between head and the
roof frame. Your thighs should rest
lightly on the seat without pressing
into it.
■ Adjust the head restraint 3 45.
■ Adjust the height of the seat belt 3 55.■ Adjust the thigh support so that
there is a space approx. two fingers
wide between the edge of the seat
and the hollow of the knee.
■ Adjust the lumbar support so that it
supports the natural shape of the
spine.
Seat adjustment9 Danger
Do not sit nearer than 25 cm from
the steering wheel, to permit safe
airbag deployment.
9 Warning
Never adjust seats while driving as
they could move uncontrollably.