
94Instruments and controlsignition is switched on, most control
indicators will illuminate briefly as a
functionality test.
The control indicator colours mean:red:danger, important reminderyellow:warning, information, faultgreen:confirmation of activationblue:confirmation of activationwhite:confirmation of activation
See all control indicators on different
instrument clusters  3 88.
Turn lights O  illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes
Turn lights or the hazard warning
flashers are activated.
Rapid flashing: failure of a turn light or associated fuse, failure of turn light on
trailer.
Bulb replacement  3 210.
Turn lights  3 119.
Seat belt reminder
Seat belt reminder on all seats X  illuminates or flashes red in the
instrument cluster together with the
indication in the roof console for each
seat belt.
● When the ignition is switched on,
X  in the instrument cluster and
the symbol for the respective
seat in the roof console comes
on, if the seat belt of any
occupied seat has not been
fastened.
● After driving off,  X in the
instrument cluster and the
symbol for the respective seat in
the roof console flashes for a
certain time together with a
chime. After a certain time of
driving  X illuminates constantly
until the seat belt of the
respective seat has been
fastened or if any passenger has
unfastened the seat belt.
Seat belts  3 52.
Airbag and belt tensioners v  illuminates red.
When the ignition is switched on, the
control indicator illuminates for
approx. 4 seconds. If it does not
illuminate, does not extinguish after
4 seconds or illuminates whilst
driving, there is a fault in the airbag
system. Seek the assistance of a
workshop. The airbags and belt
pretensioners may fail to trigger in the
event of an accident. 

Instruments and controls95Deployment of the belt pretensioners
or airbags is indicated by continuous
illumination of  v.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Belt pretensioners  3 52.
Airbag system  3 55.
Airbag deactivation
Ó ON  illuminates yellow.
The front passenger airbag is
activated.
* OFF  illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation  3 60.
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. Vehicle
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.
Service vehicle soon
H  illuminates yellow.
Illuminates briefly when the ignition is
switched on.
May illuminate together with other
control indicators and a
corresponding message in the Driver
Information Centre. 

96Instruments and controlsSeek the assistance of a workshop
immediately.
Stop engine
Y  illuminates red.
Illuminates briefly when the ignition is
switched on.
Illuminates together with other control indicators, accompanied by a warning chime and a corresponding message
in the Driver Information Centre.
Stop engine immediately and seek
the assistance of a workshop.
System check J  illuminates yellow or red.
Illuminates yellow A minor engine fault has been
detected.
Illuminates red A major engine fault has been
detected.
Stop engine as soon as possible and
seek the assistance of a workshop.Brake and clutch system
R  illuminates red.
The brake and clutch fluid level is too low.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Brake fluid  3 207.
Electric parking brake
m  illuminates or flashes red.
Illuminates
Electric parking brake is applied
3  152.
Flashes
Electric parking brake is not applied
automatically. The application or the
release are faulty.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
o  illuminates yellow.
Illuminates
Automatic operation is deactivated or faulty. Activate automatic operation
again or have the cause remedied by
a workshop in the event of a fault.
Automatic operation  3 152.
Electric parking brake fault E  illuminates yellow.
Illuminates
Electric parking brake has a fault
3  152.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop. 

Instruments and controls97Antilock brake system
(ABS)
u  illuminates yellow.
Illuminates 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  3 152.
Gear shifting
R  with the number of a higher gear is
indicated, when upshifting is
recommended for fuel saving
reasons.
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  3 189.
Lane keep assist
a  illuminates green or yellow, or
flashes yellow.
Illuminates green
The system is switched on and ready to operate.
Illuminates yellow
The system approaches a detected
lane marking without using the turn
signal in that direction.
Flashes yellow The system recognizes that the laneis departed significantly.
Lane keep assist  3 190.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 and
Traction Control system  3 155.
Selective ride control  3 156.
Engine coolant temperature o  illuminates red. 

98Instruments and controlsIlluminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3  206.
If there is sufficient coolant, consult a workshop.
Preheating
!  illuminates yellow.
Preheating of diesel engine is
activated. Only activates when
outside temperature is low. Start the
engine when control indicator
extinguishes.
Starting the engine  3 139.
Exhaust filter %  or  H  illuminates yellow.
The exhaust filter requires cleaning.
Continue driving until the control
indicator extinguishes.
Illuminates temporarily Start of saturation of the exhaust filter.
Start cleaning process as soon as
possible by driving at a vehicle speed
of at least 60 km/h.
Illuminates constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Exhaust filter  3 144.
AdBlue Y  flashes or illuminates yellow.
Illuminates yellow
The remaining driving range is
between 600 km and 2400 km.
Flashes yellow
The remaining driving range is
between 0 and 600 km.AdBlue level is low. Refill AdBlue
soon to avoid prevention of the
engine start. Up to  10 l of AdBlue can
be added.
AdBlue  3 145.
Deflation detection system
w  illuminates or flashes yellow.
Illuminates
Tyre pressure loss in one or more
wheels. Stop immediately and check
tyre pressure.
Flashes
Fault in system. Consult a workshop.
Deflation detection system  3 223.
Engine oil pressure
I  illuminates red.
Illuminates when the ignition is
switched on and extinguishes shortly after the engine starts. 

Instruments and controls99Illuminates 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 engine oil level before seeking
the assistance of a workshop  3 205.
Low fuel
o  illuminates yellow.
Level in fuel tank is too low.
Refuelling  3 195.
Bleeding the diesel fuel system
3  209.
Autostop
D  illuminates or flashes green.
Illuminates green
Engine is in an Autostop.
Flashes green
Autostop is temporarily unavailable,
or Autostop mode is invoked
automatically.
Stop-start system  3 140.
Exterior light
8  illuminates green.
The exterior lights are on  3 114.
Low beam
9  illuminates green.
Illuminated when low beam is on.
High beam C  illuminates blue.
Illuminates when high beam is on,
during headlight flash  3 115.
High beam assist f  illuminates green.
The high beam assist is activated
3  116.
LED headlights H  illuminates and a warning
message is displayed in the Driver
Information Centre.
Seek the assistance of a workshop. 

Instruments and controls103Digital speed page
Digital display of the instantaneous
speed.
Autostop time counter
A time counter calculates the time
spent in Autostop during a journey. It
resets to zero every time the ignition
is switched on.
Compass page
Displays the geographic direction of
driving.
Blank page
No trip / fuel information is displayed.
AdBlue Press  CHECK  repeatedly until the
AdBlue menu is shown.
AdBlue range
Indicates an estimate of the AdBlue
level. A message indicates whether the level is sufficient or low.
3  145.Info Display
The Info Display is located in theinstrument panel near the instrument
cluster.
Depending on the vehicle
configuration the vehicle has a
● Graphic Info Display
or
● 7'' Colour Info Display  with
touchscreen functionality
or
● 8'' Colour Info Display  with
touchscreen functionality
The Info Displays can indicate: ● time  3 84
● outside temperature  3 83
● date  3 84
● Infotainment system, see description in the Infotainment
manual
● indication of rear view camera 3 188
● indication of panoramic view system  3 185● indication of parking assist
instructions  3 176
● navigation, see description in the
Infotainment manual
● vehicle and system messages 3 105
● settings for vehicle personalisation  3 106
Graphic Info Display
Press  X to switch on the display.
Press  MENU  to select main menu
page.
Press  èäåé  to select a menu page.
Press  OK to confirm a selection. 

Instruments and controls109Driver attention warning:
Activates or deactivates the
driver drowsiness system.
Rear wiper in reverse : Activates
or deactivates automatic
switching on of the rear window
wiper when reverse gear is
engaged.
● Driving lighting
Directional headlamps : Activates
or deactivates the function.
● Comfort lighting
Guide-me-home lighting :
Activates or deactivates the
function and adjusts its duration.
Welcome lighting : Activates or
deactivates the function and
adjusts its duration.
Mood lighting : Adjusts the
brightness of the ambient
lighting.Driving functions
Press  Í.
Select  Driving functions .
In the corresponding submenus the
following settings can be changed:
● Park Assist : Activates advanced
park assist, a parking maneuver can be selected.
● Blind Spot Sensors : Activates or
deactivates side blind spot alert.
● Panoramic view system :
Activation / deactivation of the
function.
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.
Note
OnStar is not available for all
markets. For further information,
contact your workshop.
Note
In order to be available and
operational, OnStar needs a valid
OnStar subscription, functioning
vehicle electrics, ignition on, mobile
service and GPS satellite link.
To activate the OnStar services and
set up an account, press  Z and speak
with an advisor.