84Instruments and controlsFuel gauge
Displays the fuel level in the tank.
Control indicator o illuminates if the
level in the tank is low.
Never run the fuel tank dry.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified fuel tank capacity.
Engine coolant temperature
gauge
Displays the coolant temperature.
50:engine operating temperature
not yet reached90:normal operating temperature130:temperature too high
Control indicator o illuminates if
engine coolant temperature is too
high.
Caution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Service display
The service system informs when to
change the engine oil and filter or a
vehicle service is required. Based on
driving conditions, the interval at
which an engine oil and filter change
will be indicated can vary
considerably.
Instruments and controls87Airbag deactivation
ÓON illuminates yellow.
The front passenger airbag is
activated.
* OFF illuminates yellow.
The front passenger airbag is
deactivated.
Airbag deactivation 3 55.
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
The engine management system hasa 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.
Seek the assistance of a workshop
immediately.
Stop engine
Y illuminates red.
Illuminates briefly when the ignition is switched on.
88Instruments and controlsIlluminates together with other controlindicators, 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, when manual parking brake is
not applied 3 179.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 144.
Antilock 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 go out 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 3 143.
Gear shifting
R with the number of a higher gear is
indicated, when upshifting is
recommended for fuel saving
reasons.
Lane departure warning
) flashes yellow when the system
recognises an unintended lane
change.
Lane departure warning 3 164.
Instruments and controls89Electronic Stability Controland 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 3 145.
Electronic Stability Control and Traction Control system
off
n illuminates yellow.
The systems are deactivated.Engine coolant temperature
o illuminates red.
Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level immediately
3 178.
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.
Diesel particle filter % or H illuminates yellow.
The diesel particle filter requires
cleaning.
Continue driving until the control
indicator extinguishes.
Illuminates temporarily Start of saturation of the particle filter.
Start cleaning process as soon as possible by driving at a vehicle speed
of at least 40 mph.
Illuminates constantlyIndication of a low additive level. Seek
the assistance of a workshop.
Diesel particle filter 3 135.
AdBlue Y flashes or illuminates yellow.
Illuminates yellow
The remaining driving range is
between 600 km and 2400 km.
Have the AdBlue® topped-up as soon as possible by a qualified workshop.
You can add up to 10 litres of
AdBlue® to its tank.
90Instruments and controlsFlashes yellowThe remaining driving range is
between 0 and 600 km.
Top-up the AdBlue® as soon as
possible to avoid a breakdown by a
qualified workshop. You can add up
to 10 litres of AdBlue® to its tank.
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.
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.
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
assistance of a workshop 3 177.
Low fuel
o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 167.
Bleeding the diesel fuel system
3 181.
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 3 131.
Exterior light
8 illuminates green.
The exterior lights are on 3 106.
96Instruments and controlsSpeech recognition
Description see Infotainment manual.
Vehicle personalisation 3 99.
Head-up display
The Head-up display (HUD) displays
driver information concerning the
instrument cluster onto a foldable
projection plane on the driver's side.
The information appears as an image
projected from a lense in the
instrument panel onto the projection
plane directly ahead in driver's view.
The image appears focused out
toward the front of the vehicle.Head-up display views:
● vehicle speed
● speed limits by the traffic sign assistant
● set speed of speed limiter
● set speed of cruise control
● navigation information.
Adjust position of Head-up
display image
1. Adjust the driver's seat.
2. Start the engine.
3. Press ä or å to centre the image.
It can only be adjusted up and
down, not side to side.
9 Warning
If the head-up display image is too
bright or too high in your field of
view, it may obstruct your view
when it is dark outside. Be sure to keep the head-up display imagedim and placed low in your field of
view.
Adjust brightness
The Head-up display image will
automatically dim and brighten to
compensate for outside lighting.
Brightness can also be adjusted
manually as needed:
Press e to brighten the display. Press
æ to dim the display.
The image can temporarily light up
depending on angel and position of
sunlight.
Switching off
Press æ and hold to turn the Head-up
display off.
98Instruments and controlsMessages in the
Colour-Info-Display
Some important messages may
appear additionally in the
Info-Display. Some messages only
pop-up for a few seconds.
Warning chimes
When starting the engine or whilst driving
Only one warning chime will sound at
a time.
The warning chime regarding not
fastened seat belts has priority over
any other warning chime.
● If a 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 cruise control deactivates automatically.
● If a programmed speed or speed
limit is exceeded.● If a warning message appears in the Driver Information Centre.
● If the electronic key is not in the passenger compartment.
● If the parking assist detects an object.
● If an unintended lane change occurs.
● If the diesel particle filter has reached the maximum filling
level.
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.
● If any condition for an autostart is
not fulfilled.
Battery voltage When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.When the vehicle is being driven, the
load reduction function temporarily
deactivates certain functions, such as
the air conditioning, the heated rear
screen, heated steering wheel, etc.
The deactivated functions are
reactivated automatically as soon as
conditions permit.
Instruments and controls99Vehicle personalisation
The 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.
Graphic-Info-Display
Press MENU to open the menu page.
Use four-way button to operate the
display:
Select ˆ Personalisation-
configuration , I OK .
Unit settings
Select Display configuration , I OK .
Select Choise of units , I OK .
Select desired settings, I OK .
Language settings
Select Display configuration , I OK .
Select Choise of language , I OK .
Select desired language, I OK .
Vehicle settings
Select Define vehicle parameters , I
OK .
In the corresponding submenus the
following settings can be changed:
● Lighting .
Follow me home headlamps :
Activation and setting duration
time.
Welcome lighting : Activation and
setting duration time.
● Comfort
Ambient lighting : Activation/
Deactivation.Rear wiper in reverse gear :
Activation/Deactivation.
● Vehicle
Unlocking boot only : Activation/
Deactivation.
Plip action : Driver/all doors.
● Driving assistance
Fatigue Detection system :
Activation/Deactivation.
Speed recommendation :
Activation/Deactivation.
7" Colour-Info-Display
Press ; to open homepage.