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Instruments and controls95Vehicle messages on the
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 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 signal failure26Left rear turn signal failure27Right front turn signal failureNo.Vehicle message28Right rear turn signal failure35Replace battery in radio remote
control48Clean side blind spot alert
system53Tighten fuel filler cap56Tyre pressure imbalance on
front axle57Tyre pressure imbalance on
rear axle58Winter tyres detection59Open then close driver window60Open then close front
passenger window66Service theft alarm system67Service steering wheel lock68Service power steering75Service air conditioning
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96Instruments and controlsNo.Vehicle message76Service side blind spot alert
system79Top up engine oil82Change engine oil soon84Engine power reduced89Service vehicle soon95Service airbag128Bonnet open134Parking assist fault, clean
bumper136Service parking assist174Low vehicle battery258Parking assist offVehicle messages on the
Uplevel-Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
The system displays messages
regarding the following topics:
● fluid levels
● anti-theft alarm system
● brakes
● ride control systems
● cruise control, speed limiter
● parking assist systems
● lighting, bulb replacement
● wiper/washer system
● doors, windows
● radio remote control
● seat belts
● airbag systems
● engine and transmission
● tyre pressure
● vehicle battery
Vehicle messages on the
Colour-Info-Display
Some important messages appear
additionally in the
Colour-Info-Display. Some
messages only pop-up for a few
seconds.
Warning chimes When starting the engine or whilstdriving
Only one warning chime will sound at a time.
The warning chime regarding
unfastened seat belts has priority
over any other warning chime.
Page 99 of 237

Instruments and controls97● 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 the reverse gear is engaged and the rear end carrier
extended.
When 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
Midlevel-DisplayWhen the vehicle battery voltage is
running low, a warning code 174 will
appear in the Driver Information
Centre.
Uplevel-Display
When the vehicle battery voltage is running low, a warning message 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 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 via 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 knob to move
to the desired setup menu, then press
MENU-TUNE .
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98Instruments and controls
The following settings can be
selected:
● Languages
● Time Date
● Radio settings
● Phone settings
● Vehicle settings
In the corresponding submenus the
following settings can be changed:
Languages
Selection of the desired language.
Time Date
See Clock 3 74.
Radio settings
See Infotainment manual for further
information.
Phone settings
See Infotainment manual for further
information.
Vehicle settings ● Climate and air quality
Auto fan speed : Modifies the
level of the cabin airflow of the
climate control in automatic
mode.
Air conditioning mode : Controls
the state of the cooling
compressor when the vehicle is
started. Last setting
(recommended) or at vehicle
start is either always ON or
always OFF.
Auto rear demist : Activates
automatically rear heated
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 ultrasonic
sensors.
Side blind zone alert : Changes
the settings for the side blind spot alert system.
● 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.
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Instruments and controls99●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 is
open.
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 22.
● 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 relockfunction after unlocking without
opening the vehicle.
● Restore factory settings :
Resets all settings to the default
settings.
Personal settings Colour-Info-Display
When audio is switched on, press ;
on the control panel.
Press Settings .
The following settings can be
selected:
● Time & date settings
● Radio settings
● Connection settings
● Vehicle settings
● Language
● Text scroll
● Touch beep volume
● Max startup volume
● System version
● DivX(R) VOD
In the corresponding submenus the
following settings can be changed:
Time & date settings
See Clock 3 74.
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100Instruments and controlsRadio settings
See Infotainment manual for further
information.
Connection settings
See Infotainment manual for further
information.
Vehicle settings ● Climate & air quality
Auto fan speed : Modifies the
level of the cabin airflow of the
climate control in automatic
mode.
Air conditioning mode : Controls
the state of the cooling
compressor when the vehicle is
started. Last setting
(recommended) or at vehicle
start is either always ON or
always OFF.
Auto rear defog : Activates
automatically rear heated
window.
● Comfort & 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.
● Collision / detection
Park assist : Activates or
deactivates the ultrasonic
sensors.
Side blind zone alert : Changes
the settings for the side blind spot
alert system.
● Lighting
Exit lighting : Activates or
deactivates and changes the
duration of exit lighting.
Vehicle locator lights : Activates
or deactivates the welcome
lighting.
● Power door locks
Auto door lock : Activates or
deactivates the automatic door locking function after switching
on ignition.Unlocked door anti lock out :
Activates or deactivates the door locking function while a door is
open.
Delayed door lock : Activates or
deactivates the delayed door
locking function. This menu
option is displayed with Unlocked
door anti lock out deactivated.
Central locking system 3 22.
● Lock, unlock settings
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 the
automatic relock function after
unlocking without opening the
vehicle.
● Vehicle factory settings :
Restores the setting values back
to the factory default settings.
Page 103 of 237

Instruments and controls101Language
Selection of the desired language.
Text scroll
See Infotainment manual for further information.
Touch beep volume
See Infotainment manual for further information.
Max startup volume
See Infotainment manual for further
information.
System version
See Infotainment manual for further
information.
DivX(R) VOD
See Infotainment manual for further information.OnStar® system
OnStar is a personal connectivity and mobility 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 OnStar advisor.
Depending on the equipment of the vehicle, the following services areavailable:
● OnStar emergency services and support in the case of a vehicle
breakdown
● Wi-Fi hotspot● OnStar smartphone application
● OnStar remote services, e.g. location of the vehicle, activation
of horn and lights, control of
central locking system
● Stolen vehicle assistance
● Vehicle health check
● Destination download
Notice
All functions requiring data
connection to the vehicle are no
longer available if the vehicle ignition
has not been turned on for ten days.
OnStar buttons
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102Instruments and controlsNotice
Depending on the equipment, the
OnStar buttons can also be
integrated in the rear view mirror.
Privacy button
Press and hold j until an audio
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 OnStar advisor.
Press j to access the Wi-Fi settings.
OnStar button
Press Z to establish a connection to
an OnStar advisor.
SOS button
Press [ to establish a priority
emergency connection to a specially
trained emergency advisor.
Status light
Green: The system is ready.
Green flashing: The system is on a
call.
Red: A problem arose.
Off: System is off.Red / green flashing for a short period of time: Transmission of the vehicle
location has been deactivated.
OnStar services
OnStar emergency services
OnStar emergency provides a service with specially trained emergency
advisors for contact, assistance and
information during an emergency.
In the case of an emergency situation
including vehicle breakdown, a flat
tyre or empty fuel tank, press [ and
talk to the advisor. The advisor then
contacts emergency or assistance
service providers and directs them to
your vehicle.
In the case of an accident with
activation of airbags or belt
tensioners, an automatic emergency
call is established. The advisor is
immediately connected to your
vehicle to see whether help is
needed.
OnStar Wi-Fi hotspot
The Wi-Fi hotspot of the vehicle
provides internet connectivity through
the 4G/LTE mobile network.Notice
The Wi-Fi hotspot functionality is not available for all markets.
Up to seven devices may be
connected.
To connect a mobile device with the
OnStar Wi-Fi hotspot:
1. Press j and then select Wi-Fi
settings on the Info-Display. The
settings displayed include the Wi-
Fi hotspot name (SSID),
password and connection type.
2. Start a Wi-Fi network search on your mobile device.
3. Select your vehicle hotspot (SSID) when listed.
4. When prompted, enter the password on your mobile device.
Notice
To change the SSID or password,
select Z and talk to an OnStar
advisor or logon to your account.
To switch off the Wi-Fi hotspot
functionality, press Z to call an
OnStar advisor.