Page 27 of 223

Keys, doors and windows25
Activating
Press button p on the radio remote
control twice within 3 seconds.
Alternatively, turn key in driver's door
towards rear of vehicle again within
3 seconds after locking.
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
■ Vehicle inclination, e.g. if it is raised
■ Siren power supply
■ Ignition
Unlocking the vehicle deactivates the
anti-theft alarm system.
Activation
Ensure the doors, tailgate, fuel filler
flap, bonnet, windows and sunroof
are closed.
Press button p on radio remote
control or manually lock the driver's
door.
The system is activated: ■ Automatically, 30 seconds after locking the vehicle (initialisation of
the system)
■ Directly by pressing p on the radio
remote control once more after
locking
If the hazard warning lights do not flash once upon activation or the
control indicator flashes rapidly, this
may indicate that a door, the tailgate
or the bonnet is not fully closed.
Notice
Changes to the vehicle interior such
as the use of seat covers, and open
windows or sunroof, could impair the function of passenger compartment
monitoring.
Page 28 of 223

26Keys, doors and windows
Activation without monitoring of
passenger compartment and
vehicle inclination
Switch off the monitoring of
passenger compartment and vehicle
inclination when people or animals
are being left in the vehicle, because
of high volume ultrasonic signals,
movements triggering the alarm and
when the vehicle is on a ferry or train.
1. Close tailgate, bonnet, windows and sunroof.
2. Press button o. Control
indicator o illuminates yellow in
the instrument cluster.
3. Close doors.
4. Activate the anti-theft alarm system.
Press button o again to cancel.
Control indicator o extinguishes.
Status LED
Status LED is located in the centre
console.
Status during the first 30 seconds of
anti-theft alarm system activation:LED illuminates=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.LED flashes
quickly 3 times
after unlocking=system is
disarmed.
Seek the assistance of a workshop in
the event of faults.
Deactivation
Unlocking the vehicle deactivates
anti-theft alarm system. Hazard
warning lights flash twice upon
deactivation.
If no door is opened or the engine is
not started within 30 seconds after the
vehicle has been unlocked, the
vehicle is relocked automatically and
the alarm is reactivated.
Page 29 of 223

Keys, doors and windows27
If the alarm has been triggered, the
hazard warning lights will not flash
upon deactivation.
Alarm When 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 alarm can be silenced by
pressing any button of the radio
remote control or manually unlocking
the driver's door with the ignition key. The anti-theft alarm system is
deactivated at the same time.
If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: switch the
ignition on then off, then disconnect
the vehicle's battery within
15 seconds.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.
Control indicator d illuminates in the
instrument cluster when the ignition is switched on, then extinguishes. If d
remains illuminated when the ignition
is on, there is a fault in the system; the
engine cannot be started. Switch off
the ignition and remove key, wait
approx. 2 seconds and then repeat
the start attempt.
If the control indicator remains
illuminated, 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 90.
Page 32 of 223

30Keys, doors and windowsAutomatic anti-dazzle
Press button on mirror housing to turn
function on; button illuminates and
dazzle from following vehicles at night
is automatically reduced. Press
button again to turn function off.
There are two light sensors in the
mirror housing. To avoid interference
and loss of function, do not cover the
sensors or hang anything on the 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 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 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.
Power windows can be operated:
■ with ignition on,
■ within 10 minutes of switching ignition off.
Page 34 of 223

32Keys, doors and windowsHeated rear window
Operated by pressing the RÜ button.
LED illuminates in the button.
Heating works with the key in ignition
switch positions ACC or ON and is
switched off automatically after a
short time.
To avoid discharging the battery, operate only with the engine running. Do not operate when you are juststarting the vehicle, or if there is a
build up of snow or ice on the rear
window.
Do not use sharp instruments or abrasive cleaners on the rear window
and avoid scratching or damaging the
heating elements.
Sun visors
The sun visors can be folded down or swivelled to the side to prevent
dazzling.
Sun visors have vanity mirrors and a
ticket holder on the rear. When the
vanity mirror covers are opened, the
sun visor light illuminates.
The mirror covers should be closed
when driving.
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.
Slide/tilt sunroof
Page 36 of 223

34Seats, restraintsSeats, restraintsHead restraints............................ 34
Front seats ................................... 35
Rear seats ................................... 39
Seat belts ..................................... 41
Airbag system .............................. 44
Child restraints ............................. 51Head 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.
Height adjustment
Press release button, adjust height
and engage.
Pull head restraint up to raise. Push
head restraint down while pressing
the release button to lower the head
restraint.
Removal
Insert a suitable tool into the small
hole in the side of the guide sleeve
without the release button and
depress the lock. Press the release
button on the other guide sleeve and
pull up the head restraint.
Page 37 of 223

Seats, restraints35
Stow head restraints securely in load
compartment.
Active head restraints
In the event of a rear-end impact, the active head restraints automatically
tilt forwards. Thus the head is
supported so that the risk of whiplash
injury is reduced.
Notice
Do not attach objects or components
that are not approved for your
vehicle to the head restraints. These affect the protective effect of the
head restraints and can be propelled
through the vehicle in an
uncontrolled manner if the driver
brakes hard or an accident occurs.
Notice
Approved accessories may only be
attached if the seat is not in use.Front 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
tilt the backrest too far back. We
recommend a maximum rake of
approximately 25°.
■ Adjust the steering wheel 3 73.
■ 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 34.
■ Adjust the height of the seat belt 3 42.
■ Adjust the lumbar support so that it
supports the natural shape of the
spine.
Page 38 of 223
36Seats, restraintsSeat adjustment9Danger
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.
Drive only with engaged seats and
backrests.
Seat positioning
Pull handle, slide seat, release
handle.
Seat backrests
Pull lever, adjust inclination and
release lever. Allow the backrest to
engage audibly.
Do not lean on the seat backrest
whilst adjusting it.