28Keys, doors and windowsOperation with the key in case of
a central locking system fault
In case of a fault, e.g. vehicle battery
or remote control / electronic key
battery is discharged, the driver's
door can be locked or unlocked with
the mechanical key.
Manual unlocking
Electronic key: press and hold the
latch to extract the integral key.
Manually unlock the driver's door by
inserting and turning the key in the
lock cylinder.
The other doors can be opened by
pulling the interior handle. The load
compartment and fuel filler flap will
possibly not be unlocked.
By switching on the ignition, the anti- theft locking system is deactivated.
Manual locking
Manually lock the driver's door by
inserting and turning the key in the lock cylinder.
To lock the other doors, first remove
the black cover by inserting a key and turning clockwise.
Insert key into the recess and move
latch sideways.
Remove key and attach the black
cover.
The fuel filler flap and tailgate are
possibly not locked.
Automatic locking Automatic locking after driving off This system allows automatic locking
of the doors as soon as the speed of
the vehicle exceeds 10 km/h.
Keys, doors and windows29If one of the doors or the load
compartment is open, the automatic
central locking does not take place.
This is signalled by the sound of the
locks rebounding, accompanied by
illumination of h in the instrument
panel, an audible signal and the display of an alert message.
You can activate or deactivate this
function permanently. With the
ignition on, press Q 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
doors 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.
30Keys, doors and windowsElectric child locks
Remotely operated system to prevent
opening of the rear doors using their
interior controls.
Switching on
Press Ô. 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 Ô again. The indicator lamp on
button goes off, accompanied by a
confirmation message. This indicator
lamp remains on while child lock is
switched on.Doors
Load compartment TailgateOpening
After unlocking, press the tailgate
button and open the tailgate.
Keys, doors and windows31Closing
Use the interior handle.
Do not push the touchpad switch
whilst closing as this will unlock the
tailgate again.
Central locking system 3 24.
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
gases, which cannot be seen or
smelled, could enter the vehicle.
This can cause unconsciousness
and even death.Caution
Before opening the tailgate, check overhead obstructions, e.g. a
garage door, to avoid damage to
the tailgate. Always check the
moving area above and behind the
tailgate.
Note
The installation of certain heavy
accessories onto the tailgate may
affect its ability to remain open.
Note
At low outside temperatures the
tailgate may not open fully by itself.
In this event, lift the tailgate manually
to its normal end position.
Vehicle 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 all the doors. All doors must be closed otherwise
the system cannot be activated.
Unlocking the vehicle disables the
mechanical anti-theft locking system.
This is not possible with the central
locking button.
32Keys, doors and windowsActivating
Press N on the radio remote control
twice within 5 seconds.
Anti-theft alarm system
The anti-theft alarm system is
combined with the anti-theft locking
system.
It monitors: ● doors, tailgate, bonnet
● passenger compartment including adjoining load
compartment
● vehicle inclination, e.g. if it is raised
● ignition
Activation
All doors must be closed and the electronic key of the electronic key
system must not remain in the
vehicle. Otherwise the system cannot be activated.
● Radio remote control: self- activated 30 seconds after
locking the vehicle by pressing e
once.
● Electronic key system: self- activated 30 seconds after
locking the vehicle by pressing with a finger or thumb on one of
the front door handles at the
markings.
● Radio remote control or electronic key: directly by
pressing e twice within
5 seconds.
● Electronic key system with passive locking enabled: briefly
activated after passive locking
occurs.
Note
Changes to the vehicle interior such
as the use of seat covers and open
windows, could impair the function
of passenger compartment
monitoring.
Keys, doors and windows33Activation without monitoring of
passenger compartment and
vehicle inclination
Switch off the monitoring of
passenger compartment and vehicle
inclination 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. Press o. LED in the button o
illuminates for a maximum of
10 minutes.
3. Close doors.
4. Activate the anti-theft alarm system.
Status message is displayed in the
Driver Information Centre.
Indication
LED in the o button button flashes
if the anti-theft alarm system is
activated.
Seek the assistance of a workshop in the event of faults.
Deactivation Radio remote control: Unlocking the
vehicle by pressing c deactivates the
anti-theft alarm system.
Electronic key system: Unlocking the
vehicle by pressing on one of the front
door handles at the markings
deactivates the anti-theft alarm
system.
The electronic key must be outside
the vehicle, within a range of approx. 1 m of the relevant door side.
The system is not deactivated by
unlocking the driver's door with the
key or with the central locking button
in the passenger compartment.
34Keys, doors and windowsAlarmWhen 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 hazard warning
lights. They will flash quickly four
times the next time the vehicle is
unlocked with the radio remote
control.
Vehicle messages 3 101.
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.
Note
Radio Frequency Identification
(RFID) tags may cause interference
with the key. Do not have it placed
near the key when starting the
vehicle.
Note
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 24,
3 32.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 3 169.
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.
72Instruments and controlsInstruments and
controlsControls ....................................... 73
Steering wheel adjustment ........73
Steering wheel controls .............73
Heated steering wheel ...............73
Horn ........................................... 74
Windscreen wiper and washer ..74
Rear window wiper and washer ...................................... 76
Outside temperature ..................76
Clock ......................................... 77
Power outlets ............................. 77
Inductive charging .....................78
Cigarette lighter ......................... 79
Ashtrays .................................... 79
Warning lights, gauges and indi‐ cators ........................................... 80
Instrument cluster ......................80
Speedometer ............................. 84
Odometer .................................. 84
Trip odometer ............................ 84
Tachometer ............................... 84
Fuel gauge ................................ 85
Fuel selector .............................. 85Engine coolant temperature
gauge ....................................... 86
Engine oil level monitor .............87
Service display .......................... 87
Control indicators ......................88
Turn lights .................................. 88
Seat belt reminder .....................89
Airbag and belt tensioners .........89
Airbag deactivation ....................89
Charging system .......................90
Malfunction indicator light ..........90
Service vehicle soon .................90
Stop engine ............................... 90
System check ............................ 90
Brake and clutch system ...........91
Parking brake ............................ 91
Antilock brake system (ABS) .....91
Gear shifting .............................. 91
Lane departure warning ............91
Electronic Stability Control and Traction Control system ...........92
Electronic Stability Control and Traction Control system off ......92
Engine coolant temperature ......92
Preheating ................................. 92
Exhaust filter .............................. 92
AdBlue ....................................... 92
Deflation detection system ........93
Engine oil pressure ....................93
Low fuel ..................................... 93Autostop.................................... 93
Exterior light .............................. 93
Low beam .................................. 94
High beam ................................. 94
High beam assist .......................94
Front fog lights ........................... 94
Rear fog light ............................. 94
Rain sensor ............................... 94
Cruise control ............................ 94
Side blind spot alert ...................94
Active emergency braking .........94
Speed limiter ............................. 94
Door open .................................. 94
Displays ....................................... 95
Driver Information Centre ..........95
Info Display ................................ 97
Head-up display ........................99
Vehicle messages ......................101
Warning chimes .......................101
Battery voltage ........................ 101
Vehicle personalisation ..............102
Telematics service .....................105
OnStar ..................................... 105