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16Keys, doors and windowsThis function can be activated or
deactivated at any time. With the
ignition on, press b until an audible
signal starts and a corresponding
message is displayed.
The state of the system stays in
memory when switching off the
ignition.
Automatic relock after unlocking
This feature automatically locks all
doors, load compartment and fuel
filler flap a short time after unlocking
with the remote control or electronic
key, provided no door has been
opened.
Child locks9 Warning
Use the child locks whenever
children are occupying the rear
seats.
Mechanical child locks
Turn the red child lock in the rear door inwards to the horizontal position by
using a key. The door cannot be
opened from the inside.
To deactivate, turn the child lock to
the vertical position.
Electric child locks
Remotely operated system to prevent
opening of the rear doors via the
interior door handles and the use of
the rear power windows.
Switching on
Press >. The indicator lamp in the
button comes on, accompanied by a
confirmation message. This indicator
lamp remains on until the child lock is
switched off.
Switching off
Press > again. The indicator lamp on
button goes off, accompanied by a
confirmation message.
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18Keys, doors and windowsActivating
Press b on the radio remote control
twice within 5 seconds.
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
● ignition
Activation
All doors, the load compartment and
the engine compartment must be
closed and the electronic key must
not remain in the vehicle.
The system is self-activated
45 seconds after locking the vehicle.
If a door, the tailgate or the bonnet is
not properly closed, the vehicle is not locked. However, the anti-theft alarm
is self-activated after 45 seconds.
Notice
Changes to the vehicle interior such
as the use of seat covers and open
windows, could impair the function
of passenger compartment
monitoring.Activation without monitoring of
passenger compartment
Switch off the monitoring of
passenger compartment when
animals are being left in the vehicle,
because of high volume ultrasonic
signals or movements triggering the
alarm. Also, switch off when the
vehicle is on a ferry or train.
1. Close tailgate, bonnet, windows.
2. Switch off ignition and press !
within 10 seconds until the LED in
the button ! illuminates.
Page 21 of 227

Keys, doors and windows193. Leave the vehicle and close thedoors.
4. Activate the anti-theft alarm system.
Indication
LED in the ! button flashes if the
anti-theft alarm system is activated. The hazard warning lights illuminates for a few seconds.
Deactivation Unlocking the vehicle with radio
remote control by pressing a or with
the electronic key deactivates the
anti-theft alarm system.
The system is not deactivated by
unlocking the front door with the key
or with the central locking button in
the passenger compartment.
The hazard warning lights flash for a
few seconds.Alarm
When 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 can be
deactivated by pressing a 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 !. The LED will flash quickly
the next time the vehicle is unlocked.
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 !
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 front
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.
Notice
Radio Frequency Identification
(RFID) tags may cause interference with the key. Do not have it placednear the key when starting the
vehicle.
Notice
The immobiliser does not lock the doors. Always lock the vehicle after
leaving it 3 11.
Switch on the anti-theft alarm
system 3 18.
Emergency operation of electronic
key 3 99.
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20Keys, doors and windowsExterior mirrors
Convex shape
The shape of the mirror makes
objects appear smaller, which will
affect the ability to estimate
distances.
Side blind spot assistant 3 20.
Electric adjustment
Select the relevant exterior mirror by
pushing C to the left or right.
Then swivel the control to adjust the
mirror.
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
Move C to the centre position.
Pull C rearwards. Both exterior
mirrors are folded.
Pull C rearwards again. Both
exterior mirrors return to their original position.
If an electrically folded mirror is
manually unfolded, pulling C
rearwards will only unfold the other
mirror electrically.
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24Keys, doors and windowsInitialising 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 75.
Activate the window electronics as
follows:
1. Close doors.
2. Switch on ignition.
3. Pull the switch until the window is completely opened and keep
pulling for additional 2 seconds.
4. Push the switch as long as the window is completely closed and
keep pushing for additional
2 seconds.
5. Repeat for each window.
Heated rear window
Operated by pressing f 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, f is located at a different position.
Vehicles with heating and
ventilation system or air
conditioning systemVehicles with electronic climate
control system
Heated mirrors 3 21.
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.
Page 29 of 227

Seats, restraints27Head restraints on rear seats
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 32 of 227
30Seats, restraintsMove switch upwards / downwards.Lumbar support
Press * or '.
*:more lumbar support':less lumbar supportArmrest
Push button and fold armrest
upwards. Under the armrest there is
a storage compartment.
Heating
Adjust heating to the desired setting
by pressing " for the respective seat
one or more times. The control
indicator in the button indicates the
setting.
Prolonged use of the highest setting
for people with sensitive skin is not
recommended.
Seat heating is operational when engine is running.
Stop-start system 3 102.
Page 33 of 227

Seats, restraints31Massage
Activate the back massage function
by pressing K. The LED in the button
illuminates to indicate activation.
The massage function is activated for
a period of 1 hour. During this time,
massage is performed in six cycles
with breaks in between.
Pressing K once more deactivates
massage function. The LED goes off.
The massage function is operational
when engine is running and during an
Autostop.
Stop-start system 3 102.
Seat belts
The seat belts are locked during
heavy acceleration or deceleration of
the vehicle, holding the occupants in
the seat position. Therefore the risk of injury is considerably reduced.
9 Warning
Fasten seat belt before each trip.
In the event of an accident, people
not wearing seat belts endanger their fellow occupants and
themselves.
Seat belts are designed to be used by only one person at a time.
Child restraint system 3 40.
Periodically check all parts of the belt
system for damage, soiling and
proper functionality.
Have damaged components
replaced. After an accident, have the
seat belts and triggered belt
pretensioners replaced by a
workshop.
Notice
Make sure that the belts are not
damaged by shoes or sharp-edged
objects or are trapped. Prevent dirt
from getting into the belt retractors.
Seat belt reminder
Each seat is equipped with a seat belt reminder, indicated by a control
indicator a for the respective seat in
the roof console 3 65.
Belt force limiters
Stress on the body is reduced by the
gradual release of the belt during a
collision.