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102Instruments and controlsIlluminates when the engine is
running
Stop, switch off engine. Vehiclebattery 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 C 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.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.
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Instruments and controls1039Warning
Stop. Do not continue your
journey. Consult a workshop.
Parking brake
m illuminates red.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 160.
Electric parking brake
m illuminates or flashes red.
Illuminates
Electric parking brake is applied
3 160.
Flashes
Electric parking brake is not applied
automatically. The application or the
release is 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 3 160.
Electric parking brake fault
E illuminates yellow.
Illuminates
Electric parking brake has a fault
3 160.
9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
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
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 3 159.
Gear shifting R with the number of a higher gear is
indicated, when upshifting is
recommended for fuel saving
reasons.
Overload indicator
& illuminates.
Illuminates when the overload
indicator detects an exceeding of the
maximum authorised weight 3 86.
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106Instruments and controls9Warning
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.
Keep engine turned off and let the
vehicle be towed to a workshop.
Low fuel o illuminates yellow.
Level in fuel tank is too low.
Refuelling 3 204.
Bleeding the diesel fuel system
3 218.
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 3 147.
Exterior light 8 illuminates green.
The exterior lights are on 3 121.
High beam
C illuminates blue.
Illuminates when high beam is on,
during headlight flash 3 122.
Low beam
9 illuminates green.
Illuminated when low beam is on.
High beam assist
f illuminates green.The high beam assist is activated
3 122.
LED headlights
C illuminates and a warning
message is displayed in the Driver
Information Centre.
Seek the assistance of a workshop.
Front fog lights
> illuminates green.
The front fog lights are on 3 125.
Rear fog light
r illuminates yellow.
The rear fog light is on 3 126.
Rain sensor
< illuminates green.
Illuminated when rain sensor position on wiper lever is selected.
Cruise control
m illuminates white or green.
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Instruments and controls107Illuminates whiteThe system is on.
Illuminates green
Cruise control is active. Set speed is
indicated in the Driver Information
Centre.
Cruise control 3 167.
Adaptive cruise control
m illuminates white or green.
C illuminates in the Driver
Information Centre.
m illuminates white
The system is on.
m illuminates green
Adaptive cruise control is active.
When Adaptive cruise control is on or active, C with the set speed is
indicated in the Driver Information
Centre.
Adaptive cruise control 3 172.Vehicle detected ahead
A illuminates green.
Illuminates green
A vehicle ahead is detected in the
same lane.
Adaptive cruise control 3 172.
Forward collision alert 3 178.
Side blind spot alert
B illuminates continously green in the
instrument cluster.
The system is active 3 191.
Active emergency braking
m illuminates or flashes yellow.
Illuminates
The system has been deactivated or a fault has been detected.
Additionally, a warning message is
displayed in the Driver Information
Centre.Check the reason of the deactivation
3 180 and in case of a system fault,
seek the assistance of a workshop.
Flashes
The system is actively engaged.
Depending on the situation, the
vehicle may automatically brake
moderately or hard.
Forward collision alert 3 178.
Front pedestrian protection 3 182.
Active emergency braking 3 180.
Speed limiter ß illuminates in the Driver
Information Centre when speed
limiter is active. Set speed is indicated
alongside ß symbol.
Speed limiter 3 170.
Door open
h illuminates red.
A door or the tailgate is open.
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108Instruments and controlsDisplaysDriver Information Centre
The Driver Information Centre is
located in the instrument cluster.
Driver Information Centre indicates: ● overall and trip odometer
● digital speed indication
● trip / fuel information menu
● gear shift indication
● service information
● vehicle and warning messages ● driver assistance messages
● pop-up messages
Selecting menus and functions
The menus and functions can be selected via the buttons on the
indicator lever.
Turn the adjuster wheel to select a
page in the trip / fuel information
menu.
Press SET / CLR to confirm or reset
a function.
Vehicle and service messages are popped up in the Driver Information
Centre if required. Scroll messages
by turning the adjuster wheel.
Confirm messages by pressing
SET / CLR .
Additionally, some menus can be selected via the CHECK button.Press CHECK to switch between the
respective menus.
Vehicle messages 3 114.
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112Instruments and controlsTouch required menu display icon or
a function with the finger.
Confirm a required function or
selection by touching.
Touch r on the display to exit a
menu without changing a setting.
For further information, see
Infotainment manual.Speech recognition
Description see Infotainment manual.
Vehicle personalisation 3 115.
Head-up display
The head-up display 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 shows:
● vehicle speed
● speed limits detected by the speed sign recognition
● set speed of speed limiter
● set speed of cruise control
● forward collision alert
● navigation information.Switching on
Press e to switch on the head-up
display.
Adjust position of head-up display
image
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
Page 116 of 281

114Instruments and controlsSelecting a view
Select the standard rear view or
passenger side view by pressing the
p on the bottom side.
Close rear view is automatically
activated when reverse gear is
engaged.
Switching off
Press m.
Vehicle messages
Messages are indicated in the Driver
Information Centre, in some cases
together with a warning chime.
Press SET / CLR to confirm a
message.
Vehicle and service messages The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
Messages 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
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 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.
● If a certain speed is exceeded with parking brake applied.
● If cruise control deactivates automatically.
● If a programmed speed or speed
limit is exceeded.
Page 117 of 281

Instruments and controls115● If a warning message appears inthe 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 exhaust 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 a restart of the
engine is not fulfilled.Vehicle 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 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:
● Lamps
Follow me home headlamps :
Activates or deactivates the
function and adjusts its duration.
Welcome lighting : Activates or
deactivates the function and
adjusts its duration.
Directional headlights : Activates
or deactivates the function.