Page 28 of 337
26Keys, doors and windows
Pressing x opens the tailgate even
if the doors are locked.Sports tourer
After unlocking, push the touchpad
switch under the tailgate moulding
and open the tailgate.
Central locking system 3 22.4-door saloon
To unlock the boot lid, press x on
the remote control for at least
2 seconds, or, to open from the inside, press x in the centre console; the
boot lid is opened slightly.
With the doors centrally locked, the
boot lid cannot be opened by pressing
x in the centre console.
Closing
Use one of the interior handles.
Do not push the touchpad switch or
the emblem whilst closing as this will
unlock the tailgate again.
Central locking system 3 22.
General hints for operating
tailgate
9 Danger
Do not drive with the tailgate open
or ajar, e.g. when transporting
bulky objects, since toxic exhaust
Page 31 of 337

Keys, doors and windows29
Seek the assistance of a workshop in
the event of faults.
Deactivation
Unlocking the vehicle by pressing c
deactivates the anti-theft alarm system.
The system is not deactivated by
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 alarm can be silenced by
pressing any button on the radio
remote control or by switching on the
ignition.
The anti-theft alarm system can be
deactivated only by pressing c or by
switching on the ignition.
A triggered alarm, which has not been interrupted by the driver, will be
indicated by the hazard warninglights. They will flash quickly three
times the next time the vehicle is
unlocked with the radio remote
control. Additionally a warning
message or a warning code is
displayed in the DIC after switching
on the ignition.
Vehicle messages 3 125.
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.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 22,
3 27.
Control indicator d 3 117.
Page 32 of 337
30Keys, doors and windowsExterior 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
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 down. Both exterior mirrors
will fold.
Push the control down again - both
exterior mirrors return to their original position.
If an electrically folded mirror is
manually extended, pressing down
the control will only electrically extend
the other mirror.
Page 35 of 337

Keys, doors and windows33
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 z to deactivate rear door
power windows; the LED illuminates.
To activate, press z again.
Operating windows from outside
The windows can be operated
remotely from outside the vehicle.
Press and hold c to open windows.
Press and hold e to close windows.
Release button to stop window
movement.
If the windows are fully opened or
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.
Page 40 of 337
38Seats, restraints
Horizontal adjustment
To adjust horizontally, pull the head
restraint forwards. It engages in
several positions.
To return to its rearmost position, pull fully forwards and release.
Head 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 both catches, pull the head restraint upwards and remove.
Active head restraints In the event of a rear-end impact, the front parts of the active head
restraints are moved slightly
forwards. Thus the head is supported
so that the risk of whiplash injury is
reduced.
Notice
Approved accessories may only be
attached if the seat is not in use.
Page 41 of 337

Seats, restraints39Front 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 99.
■ 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 37.
■ Adjust the height of the seat belt 3 47.■ 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.
Page 45 of 337

Seats, restraints43
The illustration shows the release
lever on VXR seat.
9 Danger
To avoid injury, move the backrest
to an upright position before
folding.
Seat folding on power seats
Lift release lever and fold backrest
forwards. The seat slides
automatically forwards to the stop.
To restore, lift backrest to upright
position and engage. The seat slides
automatically backwards to the
original position.
In case the head restraint of the
folded backrest is blocked by the
upper windscreen frame, allow the
seat to move backwards slightly
before lifting up the backrest 3 43.
Safety function
If the power seat encounters
resistance while sliding forward or
rearward, it is immediately stopped
and moved back.
Overload
If the folding function is electrically overloaded, the power supply is
automatically cut-off for a short time.
Power seat adjustment9 Warning
Care must be taken when
operating the power seats. There
is a risk of injury, particularly for
children. Objects could become
trapped.
Keep a close watch on the seats
when adjusting them. Vehicle
passengers should be informed
accordingly.
Page 50 of 337
48Seats, restraints9Warning
The belt must not rest against hard
or fragile objects in the pockets of
your clothing.
Seat belt reminder X 3 112.
Height adjustment
1. Pull belt out slightly.
2. Shift the height adjustment upwards or press button to
disengage and push the height
adjustment 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.
Removing
To release belt, press red button on
belt buckle.
Seat belts on the rear seats
The seat belt for the rear centre seat
can only be withdrawn from the
retractor if the backrest is engaged in upright position.