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Instruments and controls87Turn signalO illuminates or flashes green.
Illuminates The control indicator illuminates
briefly when the parking lights are
switched on. Parking lights 3 112.
Flashes The control indicator flashes if a turn
signal or the hazard warning flashers
are activated.
Rapid flashing: failure of a direction
indicator lamp or associated fuse,
failure of direction indicator lamp on
trailer.
Bulb replacement 3 158. Fuses
3 165.
Turn signals 3 111.
Seat belt reminder X illuminates or flashes red.
Illuminates After the ignition is switched on until
the seat belt is fastened.Flashes
After starting off until the seat belt is
fastened.
Fastening the seat belt 3 55.
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 go out after
4 seconds or illuminates whilst
driving, there is a fault in the belt
tensioner or the airbag system. The
systems may fail to trigger in the event of an accident.
Deployment of the belt tensioners or
airbags is indicated by continuous
illumination of v.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Airbag system, belt tensioners 3 58,
3 54.
Charging system p illuminates red.
Illuminates when the ignition is
switched on and goes out shortly after
the engine starts.
Illuminates when the engine isrunning
Stop, switch off engine. Battery is not charging. Engine cooling may be
interrupted. In diesel engines, power
to the brake servo unit may be cut.
Seek the assistance of a workshop.
Malfunction indicator light Z illuminates or flashes yellow.
Illuminates when the ignition is
switched on and goes out shortly after
the engine starts.
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88Instruments and controls
Illuminates when the engine isrunning
Fault in the emission control system.
The permitted emission limits may be
exceeded. Immediately seek the
assistance of a workshop.
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 A illuminates or flashes yellow.
Illuminates when the engine is running
Fault in engine or transmission
electronics 3 132, 3 136. The
electronics switch to an emergency running programme. Fuel
consumption may be increased and
the vehicle handling may be impaired.If the fault persists after restarting the vehicle, consult a workshop.
Illuminates together with InSP4
in the service display
Seek the assistance of a workshop for
draining the diesel fuel filter 3 101.
Flashes with switched on
ignition
Fault in the immobiliser system. The
engine cannot be started 3 37.
Switch off the ignition and repeat the
start attempt.
If the control indicator continues
flashing, attempt to start the engine
using the spare key and seek the
assistance of a workshop.
Brake and clutch system R illuminates or flashes red.
Illuminated Illuminates when the parking brake is
released if the brake and clutch fluid
level is too low 3 155.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates after the ignition is
switched on if the parking brake is
applied 3 139.
Flashes
On vehicles with manual transmission
automated, flashes for a few seconds
when the ignition is switched off if the parking brake is not applied.
On vehicles with manual transmission
automated, flashes when the driver's
door is opened if no gear is engaged
and the parking brake is not applied.
Antilock brake system
(ABS) u illuminates red.
Illuminates for a few seconds after the ignition is turned on. The system is
ready for operation when the control indicator goes out.
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Instruments and controls89
If the control indicator does not go outafter 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 3 138.
Upshift
[ illuminates green when upshifting
is recommended for fuel saving
reasons.
Sport mode1 illuminates yellow.
The symbol is illuminated when Sport
mode is on 3 131, 3 135.
Winter mode T illuminates yellow.
The symbol is illuminated when
Winter mode is on 3 131, 3 135.
Ultrasonic parking assist
r illuminates or flashes yellow.Illuminates
Fault in system. Have the cause of the
fault remedied by a workshop.
Flashes
Fault due to sensors that are dirty or
covered by ice or snow.
or
Interference due to external sources of ultrasound. Once the source of
interference is removed, the system
will operate normally.
Ultrasonic parking sensors 3 142.
Electronic Stability
Program v flashes or illuminates yellow.
Illuminates for a few seconds when
the ignition is switched on.
Flashes whilst driving
The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree
3 139.Illuminates whilst driving
The system is switched off or a fault
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.
ESP® Plus
3 139.
Engine coolant
temperature W illuminates red.
Illuminates when the engine is running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level. 3 154.
If there is sufficient coolant, consult a workshop.
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90Instruments and controlsPreheating and diesel
particle filter ! illuminates or flashes yellow.
Illuminates Preheating activated. Only activates
when outside temperature is low.
Flashes Control indicator ! flashes if the
diesel particle filter requires cleaning
and previous driving conditions did
not permit automatic cleaning.
Continue driving and if possible do
not allow engine speed to drop below
2000 rpm.
The control indicator ! goes off as
soon as the self-cleaning operation is complete.
Diesel particle filter 3 127.
Deflation detection system
and tyre pressure
monitoring system
w illuminates or flashes red or yellow.Control indicator illuminates red
Tyre pressure loss. Stop immediately
and check tyre pressure. A maximum speed of 50 mph is permitted for run-
flat tyres 3 172.
Control indicator illuminates
yellow
Fault in system or tyre without
pressure sensor mounted (e.g. spare
wheel). Consult a workshop.
Flashes
Flashes three times to indicate system initialisation.
Deflation detection system 3 175,
tyre pressure monitoring system
3 174.
Interactive driving system, continuous damping
control, sport mode IDS+ illuminates yellow.
Illuminates for approximately
10 seconds after the driver's door is
opened. Illumination whilst drivingindicates a fault in the system. The
system switches to the harder chassis setting for reasons of safety. Have the
cause of the fault remedied by a workshop.
IDS Plus
3 140, Continuous damping
control 3 141, Sport mode 3 140.
Engine oil pressure I illuminates red.
Illuminates when the ignition is
switched on and goes out shortly after
the engine starts.
Illuminates when the engine isrunningCaution
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.
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Instruments and controls91
3. Move out of the flow of traffic asquickly 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.
Do not remove key until vehicle is stationary, otherwise the steering
wheel lock could engage
unexpectedly.
Check oil level before seeking the
assistance of a workshop 3 153.
Low engine oil level
S illuminates yellow.
Engine oil level is checked
automatically.
Illuminates when the engine is
running
Low engine oil level. Check engine oil
level and top up as necessary
3 153.
Low fuel Y illuminates or flashes yellow.
Illuminates Level in fuel tank too low.
Flashes
Fuel used up. Refuel immediately.
Never run the tank dry.
Catalytic converter 3 128.
Bleeding the diesel fuel system
3 157.
Open&Start system
0 illuminates or flashes yellow.
Flashes The electronic key is no more within
the reception range of the vehicle interior. The engine cannot bestarted. Hold the Start/Stop button
depressed a bit longer to switch off
the ignition.
or
Failure of the electronic key.
Operation is yet only possible via
emergency operation.
Illuminates
Fault in system. Try to operate with
the spare key, the remote control or
through emergency operation. Hold
the Start/Stop button depressed a bit
longer to switch off the ignition. Seek the assistance of a workshop.
or
The steering wheel lock is still
engaged. Move the steering wheel
slightly and press the Start/Stop
button.
Open&Start system 3 28.
Apply footbrake
j illuminates yellow.
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92Instruments and controls
The engine with manual transmission
automated can only be started if the
foot brake is depressed. If the foot
brake is not depressed, the control
indicator illuminates 3 134.
Exterior light 8 illuminates green.
Illuminates when the exterior lights
are on 3 108.
High beam C illuminates blue.
Illuminates when high beam is on and
during headlamp flash 3 109.
Adaptive forward lighting
B illuminates or flashes yellow.
Illuminates
Fault in system.
If the swivelling device for curve
lighting fails, the corresponding low
beam lamp is deactivated and the fog lamp is switched on.Seek the assistance of a workshop.
Flashes System switched to symmetrical low
beam.
Control indicator B flashes for
approx. 4 seconds after the ignition is
switched on as a reminder that the
system has been switched 3 109.
Adaptive Forward Lighting (AFL)
3 110.
Fog light > illuminates green.
Illuminates when the front fog lights
are on 3 111.
Rear fog light
r illuminates yellow.
Illuminates when the rear fog light is
on 3 112.
Cruise control
m illuminates green.Illuminates when the system is on
3 141.
Door open
Q illuminates red.
Illuminates when a door or the tailgate
is open.
Page 95 of 217
Instruments and controls93Information displaysTriple-Info-Display
Displays time, outside temperature
and date or Infotainment system
when it is on.
When the ignition is off, time, date and outside temperature can be displayed
by briefly pressing one of the two
buttons below the display.
Board-Info-Display
Displays time, outside temperature
and date or Infotainment system
information.
Selecting functions
Functions and settings of the
Infotainment system can be accessed via the board information display.
This is done using the menus and
buttons of the Infotainment system.
If nothing is operated within
5 seconds, the menus are
automatically exited.
Select using the Infotainment system
buttons
In the Settings menu, use the OK
button to call up the required function.
Use the arrow buttons to change
settings.
In the BC menu, use the OK button to
call up the required function. Use the
OK button to operate the stop watch
or restart measurement and
calculation.
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94Instruments and controls
Select using the left adjuster wheel onthe steering wheel:
Press the adjuster wheel to open the
BC menu. In the BC menu press to
operate the stop watch or restart
measurement and calculation.
Turn the adjuster wheel to call up the required function.
System settings
Press the Settings button of the
Infotainment system. Menu item
Audio then opens.
Call up System with the left arrow
button and select with the OK button.
Automatic time synchronisation
The RDS signal of most VHF
transmitters automatically sets the
time. This can be identified by } in the
display.
Some transmitters do not send a
correct time signal. In such cases, we recommend to switch off automatic
time synchronisation.
Deactivate ( Clock Sync.Off ) or
activate ( Clock Sync.On ) automatic
time synchronisation with the arrow
buttons.