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88Instruments and controlsVehicle messages on Midlevel
display
The vehicle messages are displayed
as code numbers.
No.Vehicle message1Change engine oil3Engine coolant level low4Air conditioning off5Steering wheel is locked7Turn steering wheel, switch
ignition off and then onNo.Vehicle message9Turn steering wheel, start
engine again12Vehicle overloaded13Compressor overheated15Centre high-mounted brake
light failure16Brake light failure17Headlight levelling malfunction18Left low beam failure19Rear fog light failure20Right low beam failure21Left sidelight failure22Right sidelight failure23Reversing light failure24Number plate light failure25Left front turn light failure26Left rear turn light failure27Right front turn light failureNo.Vehicle message28Right rear turn light failure29Check trailer brake light30Check trailer reversing light31Check left trailer turn light32Check right trailer turn light33Check trailer rear fog light34Check trailer rear light35Replace battery in radio remote
control49Lane departure warning
unavailable53Tighten fuel filler cap55Exhaust filter is full 3 12356Tyre pressure imbalance on
front axle57Tyre pressure imbalance on
rear axle58Tyres without pressure sensors
detected
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Instruments and controls89No.Vehicle message59Open then close driver window60Open then close front
passenger window65Theft attempted66Service anti-theft alarm system67Service steering wheel lock68Service power steering75Service air conditioning79Top up engine oil81Service transmission82Change engine oil soon84Engine power reduced89Service vehicle soon90Service brake assist94Shift to park before exiting95Service airbag128Bonnet openNo.Vehicle message134Parking assist fault, clean
bumper136Service parking assist145Check washer fluid level151Press clutch to start174Low vehicle battery258Parking assist off
Vehicle messages on Uplevel
display
The vehicle messages are displayed as text. Follow the instructions given
in the messages.
Vehicle messages on
Colour Info Display
Some important messages appear
additionally in the
Colour Info Display. Some messages
only pop-up for a few seconds.
Warning chimes
If several warnings appear at the same time, only one warning chime
will sound.
When starting the engine or whilst driving
The warning chime regarding
unfastened seat belts has priority
over any other warning chime.
● If seat belt is not fastened.
● If a door or the tailgate is not fully
closed when starting off.
● If a certain speed is exceeded with parking brake applied.
● If a programmed speed is exceeded.
● If a warning message appears in the Driver Information Centre orInfo Display.
● If the parking assist detects an object.
● If unintended lane change occurs.
● If the exhaust filter has reached the maximum filling level.
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90Instruments and controlsWhen the vehicle is parked and /
or the driver's door is opened
● With exterior lights on.
During an Autostop ● If the driver's door is opened.
Battery voltage Uplevel display
When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.
Midlevel display
When the vehicle battery voltage is
running low, a warning code 174 will appear in the Driver Information
Centre.
1. Switch off immediately any electrical consumers which are
not required for a safe drive, e.g.
seat heating, heated windscreen
and heated rear window or other
main consumers.
2. Charge the vehicle battery by driving continuously for a while or
by using a charging device.The warning message or warning
code will disappear after the engine
has been started twice consecutively
without a voltage drop.
If the vehicle battery cannot be
recharged, have the cause of the fault
remedied by a workshop.Vehicle personalisation
The vehicle's behaviour can be
personalised by changing the settings
in the Info Display.
Some of the personal settings for
different drivers can be memorised
individually for each vehicle key.
Memorised settings 3 21.
Depending on vehicle equipment and country-specific regulations, some of
the functions described below might
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings
Graphic Info Display
Press CONFIG for the Settings menu.
Turn the MENU-TUNE control to
move to the desired setup menu, and then press MENU-TUNE .
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Instruments and controls91
Select Settings and then Vehicle
settings .
Vehicle settings
● Climate and air quality
Auto fan speed : Modifies the
level of the cabin airflow of the
climate control in automatic
mode.
Auto rear demist : Activates
automatically the heated rear
window.
● Comfort settings
Chime volume : Changes the
volume of warning chimes.
Personalization by driver :
Activates or deactivates the
personalisation function.
Rear auto wipe in reverse :
Activates or deactivates
automatic switching on of the
rear window wiper when reverse gear is engaged.
● Park assist / Collision detection
Park assist : Activates or
deactivates the parking assist.
● Exterior ambient lighting
Exterior lighting by unlocking :
Activates or deactivates the entry
lighting.
Duration upon exit of vehicle :
Activates or deactivates and
changes the duration of exit
lighting.● Power door locks
Auto door lock : Activates or
deactivates the automatic door
locking function after switching on ignition.
Stop door lock if door open :
Activates or deactivates the door locking function while a door isopen.
Delayed door lock : Activates or
deactivates the delayed door
locking function. This menu
option is displayed with Stop door
lock if door open deactivated.
Central locking system 3 21.
● Remote locking, unlocking,
starting
Remote unlock feedback :
Activates or deactivates the
hazard warning flasher feedback
whilst unlocking.
Passive door unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Auto relock doors : Activates or
deactivates the automatic relock
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92Instruments and controlsfunction after unlocking without
opening the vehicle.
● Restore factory settings :
Resets all settings to the default settings.
Personal settings Colour Info Display
Press ; and then select Settings.
In the corresponding submenus the
following settings can be changed:
Vehicle
● Climate & Air Quality
Auto Fan Max Speed : Modifies
the level of the cabin airflow of the climate control in automatic
mode.
Auto Rear Defog : Automatically
activates heated rear window.
● Collision / Detection Systems
Park Assist : Activates or
deactivates the parking assist.
● Comfort and Convenience
Chime Volume : Changes the
volume of warning chimes.
Personalization By Driver :
Activates or deactivates the
personalisation function.
Auto Wipe in Reverse Gear :
Activates or deactivates
automatic switching on of the
rear window wiper when reverse gear is engaged.
● Lighting
Vehicle Locator Lights : Activates
or deactivates the entry lighting.Exit Lighting : Activates or
deactivates and changes the duration of exit lighting.
● Power Door Locks
Unlocked Door Anti Lock Out :
Activates or deactivates the door
locking function while a door is open.
Auto Door Lock : Activates or
deactivates the automatic door
locking function after switching on ignition.
Delayed Door Lock : Activates or
deactivates the delayed door
locking function. This feature
delays the actual locking of the
doors until all doors are closed.
● Remote Lock, Unlock, Start
Remote Unlock Light Feedback :
Activates or deactivates the
hazard warning flasher feedback
whilst unlocking.
Remote Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Relock Remotely Unlocked
Doors : Activates or deactivates
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Instruments and controls93the automatic relock function
after unlocking without opening
the vehicle.
Rear camera ● Rear View Camera Guidelines :
Activates or deactivates the rear
view camera guidelines on the
Info Display.
● Rear Park Assist Symbols :
Activates or deactivates the
warning symbols on the Info
Display.Telematics service
OnStar
OnStar is a personal connectivity and service assistant with integrated
Wi-Fi hotspot. The OnStar service is available 24 hours a day, seven days
a week.
Notice
OnStar is not available for all
markets. For further information,
contact your workshop.
Notice
In order to be available and
operational, OnStar needs a valid
OnStar subscription, functioning
vehicle electrics, mobile service and
GPS satellite link.
To activate the OnStar services and
set up an account, press Z and speak
with an advisor.Depending 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 andlights, control of central locking
system
● Stolen vehicle assistance
● Vehicle diagnostics
● Destination download
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.
Page 100 of 229

98LightingLightingExterior lighting............................ 98
Light switch ................................ 98
Automatic light control ...............99
High beam ............................... 100
Headlight flash ......................... 100
Headlight range adjustment ....100
Headlights when driving abroad .................................... 100
Daytime running lights .............101
Xenon lighting system .............101
Hazard warning flashers ..........102
Turn lights ................................ 102
Front fog lights ......................... 102
Rear fog light ........................... 103
Parking lights ........................... 103
Reversing lights .......................103
Misted light covers ...................103
Interior lighting ........................... 104
Instrument panel illumination control ..................................... 104
Interior lights ............................ 104
Reading lights .......................... 105
Lighting features ........................105
Entry lighting ............................ 105Exit lighting.............................. 106
Battery discharge protection ....106Exterior lighting
Light switch
Turn light switch:
7:lights off8:sidelights9:headlights
Control indicator 8 3 80.
Page 104 of 229
102LightingHazard warning flashers
Operated by pressing ¨.
In the event of an accident with airbag
deployment, the hazard warning
flashers are activated automatically.
Turn lightsstalk up:right turn lightstalk down:left turn light
A resistance point can be felt when
moving the stalk.
Constant flashing is activated when
the stalk is being moved beyond the
resistance point. It is deactivated
when the steering wheel is moved in
the opposite direction or stalk is
manually moved back to its neutral
position.
Activate temporary flashing by
holding the stalk just before the
resistance point. Turn lights will flash
until stalk is being released.
To activate three flashes, tap the stalk
briefly without passing the resistance
point.
Front fog lights
Operated by pressing >
.
Light switch in position AUTO:
switching on front fog lights will switch
the low beam on automatically.