Page 39 of 277

Keys, doors and windows37AlarmWhen triggered, the alarm siren
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 or switching on
the ignition.
A triggered alarm, which has not been interrupted by the driver, will be
indicated by the LED in the button
o . The LED will flash quickly the
next time the vehicle is unlocked with the radio remote control.
If the battery has been reconnected
(e.g. after maintenance work), wait for
10 minutes to restart the engine.
Fault
If the LED in the button o
illuminates permanently when
switching on the ignition, seek the
assistance of a workshop.Locking the vehicle without
activation of the anti-theft alarm
Lock the vehicle by locking the
driver's door with the integral key.
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.
Note
Radio Frequency Identification
(RFID) tags may cause interference with the key. Do not have it placednear the key when starting the
vehicle.
Note
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 35.Exterior mirrors
Convex shape The shape of the mirror makes
objects appear smaller, which will
affect the ability to estimate
distances.
Side blind spot alert 3 182.
Electric adjustment
Select the relevant exterior mirror by
pushing the mirror button to the left or right.
Then swivel the control to adjust the
mirror.
Page 40 of 277
38Keys, doors and windowsFolding 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.
Electric folding
Pull mirror button rearwards. Both
exterior mirrors will fold.
Pull 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.
Heated mirrors
Operated by pressing b.
Heating works with the engine
running and is switched off
automatically after a short time.
Heated rear window 3 41.
Page 43 of 277

Keys, doors and windows41
Press and hold e to close windows.
Release button to stop window
movement.
If the windows are fully closed, the
hazard warning lights will flash twice.
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 3 104.
Activate the window electronics as follows:
1. Close doors.
2. Switch on ignition.
3. Pull switch until the window is closed and keep pulling for
additional 2 seconds.
4. Push switch until the window is completely open and keep
pushing for additional 2 seconds.
5. Repeat for each window.
Heated rear window Operated by pressing b together with
heated exterior mirrors.
Heating works with the engine
running and is switched off
automatically after a short time.Depending on climate control system, b is located at a different position.
Vehicles with heating and
ventilation system or air
conditioning system
Page 44 of 277
42Keys, doors and windowsVehicles with electronic climate
control system
Heated windscreen
Operated by pressing ,. LED in
button illuminates.
Heating works with the engine
running and is switched off
automatically after a short time.
Depending on climate control
system, , is located at a different
position.
Vehicles with electronic climate
control system
Vehicles with air conditioning
system
Sun visors
The sun visors can be folded down or swivelled to the side to prevent
dazzling.
If the sun visors have integral mirrors, the mirror covers should be closed
when driving.
A ticket holder is located on the
backside of the sun visor.
Roller blinds
To reduce sunlight at the second row seats, pull the blind upwards using
the grip and engage it at the top of the
door frame.
Page 45 of 277

Keys, doors and windows43Roof
Glass panel
Sunblind
Press N gently to the first detent at
the rear: the sunblind is opened as long as the switch is operated.
Press N firmly to the second detent
and then release at the rear: the
sunblind is opened as long as the
switch is operated.
Press N gently to the first detent at
the front: the sunblind is closed as
long as the switch is operated.
Press N firmly to the second detent
and then release at the front: the
sunblind is closed as long as the
switch is operated.
Safety function
If the sunblind encounters resistance during automatic closing, it is
immediately stopped and opened again.
Function standby In ignition switch position 1 the
sunblind is operational 3 135.
Initialising after a power failure
After a power failure, it may only be
possible to operate the sunblind to a limited extent. Initialise the system as follows:
1. Turn key in ignition switch to position 1.
2. Press N twice gently to the first
detent at the rear, the sunblind
opens slightly.
3. Immediately press N twice gently
to the first detent at the front, the
sunblind closes slightly.After step 3 the sunblind is in
initialising mode without safety
function.
4. Press N gently to the first detent
at the rear until the sunblind is
completely opened.
5. Press N gently to the first detent
at the front until the sunblind is
completely closed.
After this procedure, the sunblind is
initialised with safety function
activated.
When N is pressed firmly to the
second detent during initialising, the
procedure is cancelled.
Page 47 of 277

Seats, restraints45Head restraints on rear seats
Height adjustment
Pull the head restraint upwards or
press the catch to release and push the head restraint downwards.
Removal
Press catch, pull the respective head
restraint upwards and remove.
Front seats
Seat position9 Warning
Only drive with the seat correctly
adjusted.
9 Warning
Never adjust seats while driving as
they could move uncontrollably.
9 Danger
Do not sit closer than 25 cm to the
steering wheel, to permit safe
airbag deployment.
9 Warning
Never store any objects under the
seats.
● 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.
● 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.
Page 48 of 277

46Seats, restraints● Sit with shoulders as far backagainst 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 seat and steering wheel in
a way that the wrist rests on top
of the steering wheel while the
arm is fully extended and
shoulders are on the backrest.
● Adjust the steering wheel 3 79.
● Adjust the head restraint 3 44.
● Adjust the height of the seat belt 3 52.
● 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 ofthe spine.Manual seat adjustment
Drive only with engaged seats and
backrests.
Longitudinal adjustment
Pull handle, slide seat, release
handle. Try to move the seat back and forth to ensure that the seat is locked
in place.
Backrest inclination
Turn handwheel. Do not lean on
backrest when adjusting.
Page 55 of 277
Seats, restraints53
Loose or bulky clothing prevents the
belt from fitting snugly. Do not place
objects such as handbags or mobile
phones between the belt and your body.
9 Warning
The belt must not rest against hard
or fragile objects in the pockets of
your clothing.
Seat belt reminder X 3 93.
Height adjustment
1. Pull belt out slightly.
2. Press the button to disengage the
height adjuster and push it
upwards or downwards.
Adjust the height so that the belt lies
across the shoulder. It must not lie
across the throat or upper arm.
Do not adjust while driving.