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Instruments and controls87
Page 90 of 219

88Instruments and controlsTurn signal
O illuminates or flashes green.
Illuminates The control indicator illuminates
briefly when the parking lights are
switched on. Parking lights 3 113.
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 3 159. Fuses
3 166.
Turn signals 3 112.
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 54.
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 57,
3 53.
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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Instruments and controls89
Illuminates when the engine is
running 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 3 133, 3 137. 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 InSP4in the service display
Seek the assistance of a workshop for
draining the diesel fuel filter 3 102.
Flashes with switched on
ignition
Fault in the immobiliser system. The engine cannot be started 3 36.
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 fluidlevel is too low 3 157.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates after the ignition is
switched on if the parking brake is
applied 3 140.
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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90Instruments and controls
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 3 139.
Upshift
[ illuminates green when upshifting
is recommended for fuel saving
reasons.
Sport mode1 illuminates yellow.
The symbol is illuminated when Sport
mode is on 3 132, 3 136.
Winter mode T illuminates yellow.
The symbol is illuminated when
Winter mode is on 3 132, 3 136.
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 3 143.
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
3 140.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
3 140.
Engine coolant
temperature W illuminates red.
Illuminates when the engine is
running
Stop, switch off engine.Caution
Coolant temperature too high.
Check coolant level. 3 155.
If there is sufficient coolant, consult a workshop.
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Instruments and controls91Preheating 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 3 128.
Tyre pressure monitoring
system
w illuminates or flashes yellow.Control indicator illuminates
yellow
Tyre pressure loss. Stop as soon as
possible and check tyre pressure. A
maximum speed of 80 km/h is
permitted for run-flat tyres 3 174.
Control indicator flashes yellow
for approx. one minute and then illuminates continouslyFault in system or tyre without
pressure sensor mounted (e.g. spare
wheel). Consult a workshop.
Flashes
Flashes three times to indicate
system initialisation.
Tyre pressure monitoring system
3 176.
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 driving
indicates 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
3 141, Continuous damping
control 3 142, Sport mode 3 141.
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.
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92Instruments and controls
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.
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 3 154.
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
3 154.
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 3 129.
Bleeding the diesel fuel system
3 158.
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 27.
Apply footbrake
j illuminates yellow.
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Instruments and controls93
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 3 135.
Exterior light 8 illuminates green.
Illuminates when the exterior lights
are on 3 109.
High beam C illuminates blue.
Illuminates when high beam is on and
during headlamp flash 3 110.
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 3 110.
Adaptive Forward Lighting (AFL)
3 111.
Fog light
> illuminates green.
Illuminates when the front fog lights
are on 3 112.
Rear fog light
r illuminates yellow.
Illuminates when the rear fog light is
on 3 113.
Cruise control
m illuminates green.Illuminates when the system is on
3 142.
Door open
Q illuminates red.
Illuminates when a door or the tailgate
is open.
Page 96 of 219
94Instruments and controlsInformation 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.