92Instruments and controls9Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners, airbag system
3 43, 3 46.
Airbag deactivation
V illuminates yellow.
The front passenger airbag is
activated.
* illuminates yellow.
The front passenger airbag is
deactivated 3 51.
9 Danger
Risk of fatal injury for a child using
a child restraint system together
with activated front passenger
airbag.
Risk of fatal injury for an adult
person with deactivated front
passenger airbag.
Charging system
p illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Stop, switch off engine. Battery is not
charging. Engine cooling may be
interrupted. The brake servo unit may cease to be effective. Seek the
assistance of a workshop.
Malfunction indicator light
Z illuminates or flashes yellow.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.
Illuminates when the engine is
running
Fault in the emission control system.The permitted emission limits may be
exceeded. Seek the assistance of a
workshop immediately.Flashes when the engine is
running
Fault that could lead to catalytic converter damage. Ease up on the
accelerator until the flashing stops.
Seek the assistance of a workshop
immediately.
Brake and clutch system
R illuminates red.
The brake and clutch fluid level is too low, when manual parking brake is
not applied 3 181.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 147.
Antilock brake system (ABS)
u illuminates yellow.
Instruments and controls93Illuminates for a few seconds after the
ignition is switched on. The system is ready for operation when the control
indicator extinguishes.
If the control indicator does not
extinguish after a few seconds, or if it
illuminates while driving, there is a
fault in the ABS. The brake system
remains operational but without ABS
regulation.
Antilock brake system 3 147.
Gear shifting
R or S with the number of a higher or
lower gear is indicated, when up- or
downshifting is recommended for fuel
saving reasons.
Descent control system
u illuminates or flashes green.
Illuminates green
The system is ready for operation.
Flashes green
The system is in operation.Lane departure warning
) illuminates green or flashes yellow.
Illuminates green
System is switched on and ready to
operate.
Flashes yellow
System recognises an unintended
lane change.
Lane departure warning 3 164.
Electronic Stability Control
off
n illuminates yellow.
The system is deactivated.
Electronic Stability Control
and Traction Control system
b illuminates or flashes yellow.Illuminates
A fault in the system is present.
Continued driving is possible. Driving
stability, however, may deteriorate depending on road surface
conditions.
Have the cause of the fault remedied by a workshop.
Flashes
The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.
Electronic Stability Control 3 149,
Traction Control system 3 148.
Traction Control system off k illuminates yellow.
The system is deactivated.
Preheating ! illuminates yellow.
Preheating of diesel engine is
activated. Only activates when
outside temperature is low.
94Instruments and controlsTyre pressure monitoringsystem
w illuminates or flashes yellow.
Illuminates
Tyre pressure loss. Stop immediately
and check tyre pressure.
Flashes
Fault in system or tyre without
pressure sensor mounted (e.g. spare
wheel). After 60-90 seconds the
control indicator illuminates
continuously. Consult a workshop.
Tyre pressure monitor system
3 196.
Engine oil pressure
I illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly
after the engine starts.Illuminates when the engine is
runningCaution
Engine lubrication may be
interrupted. This may result in
damage to the engine and/or
locking of the drive wheels.
1. Depress clutch.
2. Select neutral gear, set selector lever to N.
3. Move out of the flow of traffic as quickly as possible without
impeding other vehicles.
4. Switch off ignition.
9 Warning
When the engine is off,
considerably more force is needed
to brake and steer. During an
Autostop the brake servo unit will still be operational.
Do not remove key until vehicle is
stationary, otherwise the steeringwheel lock could engage
unexpectedly.
Check oil level before seeking the
assistance of a workshop 3 179.
Low fuel
Y illuminates or flashes yellow.
Illuminates
Level in fuel tank is too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Refuelling 3 168.
Catalytic converter 3 141.
Bleeding the diesel fuel system
3 183.
Immobiliser d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Instruments and controls95Have the cause of the fault remedied
by a repairer.
Exterior light 8 illuminates green.
The exterior lights are on 3 114.
High beam C illuminates blue.
Illuminates when high beam is on or
during headlight flash 3 115 , or when
high beam is on with high beam
assist, adaptive forward lighting
3 118.
High beam assist f illuminates green.
The high beam assist is activated
3 118.
Adaptive forward lighting f illuminates or flashes yellow.Illuminates
The adaptive forward lighting system
needs a service.
Seek the assistance of a workshop. Adaptive forward lighting 3 118.
Flashes
System switched to symmetrical low
beam.
Control indicator f flashes for approx.
4 seconds after the ignition is
switched on as a reminder that the
system has been activated 3 117.
Automatic light control 3 115.
Fog light
> illuminates green.
The front fog lights are on 3 121.
Rear fog light
r illuminates yellow.
The rear fog light is on 3 121.
Cruise control
m illuminates white or green.Illuminates white
The system is on.
Illuminates green
Cruise control is active.
Cruise control 3 151.
Vehicle detected ahead
A illuminates green or yellow.
Illuminates green
A vehicle ahead is detected in the
same lane.
Illuminates yellow The distance to a preceding moving
vehicle gets too small or when
approaching another vehicle too
rapidly.
Forward collision alert 3 154.
Speed limiter
L illuminates white or green.
Illuminates white The system is on.
104Instruments and controlsVehicle personalisationThe vehicle's behaviour can be
personalised by changing the settings in the Info-Display.
Depending on vehicle equipment and
country-specific regulations some of
the functions described below may
not be available.
Some functions are only displayed or
active when the engine is running.
Personal settings Graphic-Info-Display
Press MENU to open the respective
menu.
Select Settings , scroll through the list
and select Vehicle Settings
In the corresponding submenus the
following settings can be changed:
Vehicle Settings
● Climate and Air Quality
Auto Fan Max Speed : Modifies
the level of the cabin airflow of the climate control in automatic
mode.
Auto Heated Seats :
Automatically activates the seat
heating.
Auto Demist : Activates or
deactivates auto demist.
Auto Rear Demist : Activates the
heated rear window
automatically.
● Park Assist / Collision Detection
Park Assist : Activates or
deactivates the ultrasonic
sensors.
● Comfort Settings
Chime Volume : Changes the
volume of warning chimes.
Personalisation by Driver :
Activates or deactivates the
personalisation function.
Rear Auto Wipe in Reverse :
Activates or deactivates
automatic switching on of therear window wiper when reverse gear is engaged.
● 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.
Left or Right Hand Traffic :
Changes between lighting for left or right-hand traffic.
Adaptive Forward Lighting :
Changes the settings of the
functions of the LED headlights.
● Power Door Locks
Stop door lock if door open :
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.
106Instruments and controlsAuto Rear Defog: Activates the
heated rear window
automatically.
● Collision / Detection Systems
Park Assist : Activates or
deactivates the ultrasonic
sensors.
● 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.
Left or Right Hand Traffic :
Changes between lighting for left
or right-hand traffic.Adaptive Forward Lighting :
Changes the settings of the
functions of the LED headlights.
● 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.
● Remote Lock, Unlock, Start
Remote Unlock Light Feedback :
Activates or deactivates the
hazard warning flasher feedback
whilst unlocking.
Remote Lock Feedback :
Changes what kind of feedback
is given when locking the vehicle.
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.
Remote Window Operation :
Activates or deactivates the
operation of power windows with
remote control.
Passive Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Passive Door Lock : Activates or
deactivates the passive locking
function. This feature locks the
vehicle automatically after
several seconds if all doors have been closed and an electronic
key has been removed from the
vehicle.
Remote Left in Vehicle Alert :
Activates or deactivates the
warning chime when the
electronic key remains in the
vehicle.
Personal settings 8" Colour-Info-Display
Instruments and controls107Press ; then select the SETTINGS
icon.
In the corresponding submenus the
following settings can be changed:
Vehicle ● Climate and Air Quality
Auto Fan Speed : Modifies the
level of the cabin airflow of the
climate control in automatic
mode.
Auto Heated Seats :
Automatically activates the seat
heating.
Auto Demist : Activates or
deactivates auto demist.
Auto Rear Demist : Activates the
heated rear window
automatically.
● Collision / Detection Systems
Park Assist : Activates or
deactivates the ultrasonic
sensors.
● Comfort and Convenience
Chime Volume : Changes the
volume of warning chimes.
Personalisation 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.
Left or Right Hand Traffic :
Changes between lighting for left or right-hand traffic.Adaptive Forward Lighting :
Changes the settings of the
functions of the LED headlights.
● Power Door Locks
Unlocked Door Anti-Lockout :
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 Lock Feedback :
Changes what kind of feedback
is given when locking the vehicle.
Remote Door Unlock : Changes
the configuration to unlock only
108Instruments and controlsthe driver's door or the whole
vehicle whilst unlocking.
Relock Remote Unlocked Doors :
Activates or deactivates the
automatic relock function after
unlocking without opening the
vehicle.
Remote Window Operation :
Activates or deactivates the
operation of power windows with
remote control.
Passive Door Unlock : Changes
the configuration to unlock only
the driver's door or the whole
vehicle whilst unlocking.
Passive Door Lock : Activates or
deactivates the passive locking
function. This feature locks the
vehicle automatically after
several seconds if all doors have been closed and an electronic
key has been removed from the
vehicle.
Remote Left in Vehicle Alert :
Activates or deactivates the
warning chime when the
electronic key remains in the
vehicle.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 and
lights, 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.