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.
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.
Notice
The installation of certain heavy
accessories onto the tailgate may
affect its ability to remain open.
Notice
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 five 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
● 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
five seconds.
● Electronic key system with passive locking enabled: briefly
activated after passive locking
occurs.
Notice
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
ten minutes.
3. Close doors.
4. Activate the anti-theft alarm system.
Status message is displayed in the
Driver Information Centre.
Indication
LED in the central locking 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. one metre 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.
106Instruments and controlsDepending on the equipment of the
vehicle, the following services are
available:
● Emergency services and support
in the case of a vehicle
breakdown
● Wi-Fi hotspot
● Smartphone application
● Remote control, e.g. location of the vehicle, activation of horn and
lights, control of central locking
system
● Stolen vehicle assistance
● Vehicle diagnostics
Notice
The OnStar module of the vehicle is
deactivated after ten days without an
ignition cycle. Functions requiring a
data connection will be available
again after switching on the ignition.OnStar buttons
Privacy button
Press and hold j until a message is
heard to activate or deactivate the
transmission of the vehicle location.
Press j to answer a call or to end a
call to an advisor.
Press j to access the Wi-Fi settings.
Service button
Press Z to establish a connection to
an advisor.
SOS button
Press [ to establish a priority
emergency connection to a specially
trained emergency advisor.
Status LED
Green: The system is ready with
activated transmission of the vehicle
location.
Green flashing: The system is on a
call.
Red: A problem arose.
Off: The system is ready with
deactivated transmission of the
vehicle location or the system is in
standby mode.
Red / green flashing for a short period of time: The transmission of the
vehicle location has been
deactivated.
OnStar services
General services
If you need any information e.g.
opening hours, points of interest and
destinations or if you need any
support e.g. in the case of a vehicle
202Vehicle careNo.Circuit1Interior mirror / Exhaust
system / Electric power
steering / Clutch sensor / LPG /
Exterior mirror adjustment /
Inductive charging2–3Trailer Hitch4Horn5Windscreen washer pump front/
rearNo.Circuit6Windscreen washer pump front/
rear7Heated steering wheel8Rear wiper9–10Central locking system11Central locking system12Instrument cluster13Climate control system / USB14OnStar15Instrument cluster / Climate
control system16Brake / Starter / Retained power off17Instrument cluster18Advanced parking assist19Top column module / Trailer
control module20–No.Circuit21Anti-theft alarm system / Start
button22Rain sensor / Camera23Door module24Advanced parking assist /
Camera / Infotainment25Airbag26Top column module27Anti-theft alarm system28–29Infotainment30–31Infotainment32Power outlet front33–34Heated exterior mirrors / Door
module
248IndexAAccessories and vehicle modifications .......................... 184
Active emergency braking ..........156
Adaptive forward lighting ...........112
AdBlue .................................. 93, 141
Adjustable air vents ...................128
Advanced parking assist ............163
Airbag and belt tensioners ...........90
Airbag deactivation ................56, 90
Airbag label................................... 51 Airbag system .............................. 51
Air conditioning regular operation ................................ 130
Air conditioning system .............. 120
Air intake .................................... 129
Air vents...................................... 128
Antilock brake system ................ 148
Antilock brake system (ABS) .......91
Anti-theft alarm system ................32
Anti-theft locking system .............. 31
Appearance care ........................219
Armrest ................................... 46, 47
Ashtrays ....................................... 80
Automatic anti-dazzle ..................36
Automatic light control ...............111
Automatic locking ........................28
Automatic transmission .............144
Autostop ............................... 94, 137
Auxiliary heater ........................... 127B
Battery discharge protection ......118
Battery voltage ........................... 101 Belts.............................................. 48
BlueInjection ............................... 141
Bonnet ....................................... 186
Brake and clutch fluid .................225
Brake and clutch system .............91
Brake assist ............................... 149
Brake fluid .................................. 189
Brakes ............................... 148, 189
Breakdown.................................. 217
Bulb replacement ....................... 191
C
Capacities .................................. 237
Catalytic converter .....................140
Central locking system ................24
Centre console lighting ..............117
Centre console storage ...............65
Changing tyre and wheel size ...208
Charging system .......................... 90
Child locks ................................... 29
Child restraint installation locations ................................... 60
Child restraints.............................. 57
Child restraint systems ................57
Cigarette lighter ........................... 80
Climate control ............................. 15
Climate control systems .............119