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Keys, doors and windows33Vehicle 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 the doors. All
doors must be closed or the system
cannot be activated.
Note
The anti-theft locking system cannot be activated when the hazard
warning lights or sidelights are
switched on.
Activation and deactivation are not
possible with the central locking
switch.
Activation
Press  e twice within three seconds.
Hazard warning lights flash
five times as confirmation.
Deactivation Unlock the doors by pressing  c on the
remote control.
Anti-theft alarm system The anti-theft alarm system is
operated in conjunction with the
central locking system.
It monitors:
● doors, tailgate, bonnet
● passenger compartment
● load compartment
● ignition
● interruption of alarm siren power supply
Activation
All doors and the bonnet must be
closed.
Press  e to activate anti-theft alarm
system. Hazard warning lights flash
twice to confirm activation. 
     
        
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34Keys, doors and windowsIf the hazard warning lights do not
flash upon activation, a door or the
bonnet is not fully closed.
Note
Changes to the vehicle interior, e.g.
the use of seat covers, and open
windows, could impair the function
of passenger compartment
monitoring.
Deactivation
Unlocking the vehicle or switching on
the ignition deactivates the anti-theft
alarm system. Hazard warning lights
flash once to confirm deactivation.
Note
If the alarm has been triggered,
unlocking the vehicle with the key
will not stop the alarm siren. To stop the siren, switch on the ignition. The
hazard warning lights will not flash
upon deactivation if the alarm has
been triggered.
Activation without monitoring of
passenger compartment
Switch off monitoring of the
passenger compartment when
people or animals are being left in thevehicle, or if the auxiliary heater
3  119 is set for a timed or remote
controlled start.
Depending on vehicle configuration:
● press and hold  e, or
● switch ignition on and off twice quickly, then close doors and
activate the anti-theft alarm
system
An audible signal will sound as
confirmation.
The status will remain until the doors
are unlocked.
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.
If the vehicle battery is disconnected
or its power supply is interrupted, the
alarm siren will be triggered. First
deactivate the anti-theft alarm system if the vehicle battery must be
disconnected.
To silence the alarm siren (if
triggered) and therefore deactivate
the anti-theft alarm system, reconnect vehicle battery and unlock vehicle
with remote control button  c (or
switch on the ignition).
Immobiliser
The system is part of the ignition
switch and checks whether the
vehicle is allowed to be started with
the key being used. 
     
        
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36Keys, 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.
Parking position
The exterior mirrors can be folded in
by pressing gently on the outer edge
of the housing, e.g. when in a
confined parking situation.
Heated mirrors
Operated by pressing  Ü on either
system. LED illuminates in button
during operation.
Heating works with the engine
running and is switched off
automatically after a short time.
Climate control system  3 112.
Electronic climate control system 3  114. 
     
        
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Seats, restraints43Depending on version, head
restraints can also be tilted forwards
or backwards. Push or pull the lower
part of the head restraint to adjust.
Note
Approved accessories may only be
attached to the front passenger seat
head restraint if the seat is not in use.
Removal
Press both catches, pull the head
restraint upwards and remove.
Stow head restraints securely in load
compartment. Do not drive with head
restraints removed if the seat is
occupied.
Front seats
Seat position9 Warning
Only drive with the seat correctly
adjusted.
9 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.
9 Warning
Never store any loose objects
under the seats.
Underseat storage, storage box 3  72.
● 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. Thighs should rest lightly on the seat without pressing into
it. 
     
        
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44Seats, restraints● Sit with shoulders as far backagainst the backrest as possible.
Set the backrest rake so that it is possible to 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 on the backrest.
● Adjust the steering wheel  3 80.
● Adjust the head restraint  3 42.
● Adjust the height of the seat belt 3 52.
● Adjust the lumbar support so that
it supports the natural shape of
the spine  3 44.
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.
Suspension seat 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. 
     
        
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52Seats, restraintsThree-point seat beltSeat belts on the front seats
Fasten
Withdraw the belt from the retractor,
guide it untwisted across the body
and insert the latch plate into the
buckle. Tighten the lap belt regularly
whilst driving by pulling the shoulder
belt.
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  92.
Height adjustment
1. Pull belt out slightly.
2. Shift the height adjustment upwards or press button to
disengage and push the height
adjustment downwards. 
     
        
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Instruments and controls79Instruments and
controlsControls ....................................... 80
Steering wheel adjustment ........80
Steering wheel controls .............80
Horn ........................................... 80
Steering column controls ...........80
Windscreen wiper/washer .........81
Outside temperature ..................82
Clock ......................................... 83
Power outlets ............................. 83
Cigarette lighter ......................... 84
Ashtrays .................................... 84
Warning lights, gauges and indi‐
cators ........................................... 85
Instrument cluster ......................85
Speedometer ............................. 85
Odometer .................................. 86
Trip odometer ............................ 86
Tachometer ............................... 86
Fuel gauge ................................ 86
AdBlue gauge ............................ 87
Engine coolant temperature gauge ....................................... 87
Engine oil level monitor .............87
Service display .......................... 88Transmission display .................88
Control indicators ......................89
Turn signal ................................. 92
Seat belt reminder .....................92
Airbag and belt tensioners .........92
Airbag deactivation ....................92
Charging system .......................93
Malfunction indicator light ..........93
Service vehicle soon .................93
Stop engine ............................... 94
Brake system ............................. 94
Antilock brake system (ABS) .....94
Upshift ....................................... 94
Lane departure warning ............94
Electronic Stability Program ......95
Electronic Stability Program off ............................................. 95
Engine coolant temperature ......95
Preheating ................................. 95
AdBlue ....................................... 95
Tyre pressure monitoring system ...................................... 95
Engine oil pressure ....................96
Low fuel ..................................... 96
Stop-start system ......................96
Exterior light .............................. 97
High beam ................................. 97
High beam assist .......................97
Fog light ..................................... 97
Rear fog light ............................. 97Cruise control............................ 97
Tachograph ............................... 97
Door open .................................. 97
Information displays .....................98
Driver Information Centre ..........98
Info display ................................ 98
Vehicle messages ........................99
Warning chimes .........................99
Trip computer ............................. 100
Tachograph ................................ 102 
     
        
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84Instruments and controls
Connecting electrical accessories
while the engine is off will discharge
the vehicle battery.
Do not exceed the maximum power
consumption of 120 watts.
With ignition off the power outlet is
deactivated.
Additionally, the power outlet may be
deactivated in case of low battery
voltage.
Electrical accessories that are
connected must comply with the
electromagnetic compatibility
requirements laid down in
DIN VDE 40 839.
Caution
Do not connect any current- delivering accessories, e.g.
electrical charging devices or
batteries.
Do not damage the outlets by
using unsuitable plugs.
USB socket
In the Infotainment unit (or in the
centre console) there is a USB socket
for the connection of external audio
sources and for charging devices.
Note
The sockets must always be kept
clean and dry.
Cigarette lighter
Press in cigarette lighter. It switches
off automatically once the element is
glowing. Pull out lighter.
Ashtrays
Caution
To be used only for ash and not for combustible rubbish.