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Instruments and controls87Fill the tank completely at regular
intervals to prevent corrosion in the
tank.
Fuel for liquid gas operation 3 181.
Faults and remedies
If gas mode is not possible, check the following:
● Is there enough liquid gas present?
● Is there enough petrol present for
starting?
Due to extreme temperatures in
combination with the gas
composition, it may take slightly
longer before the system switches
from petrol to gas mode.
In extreme situations, the system may
also switch back to petrol mode if the
minimum requirements are not
fulfilled. If conditions allow, it might be possible to manually switch back to
liquid gas operation.
Seek the assistance of a workshop in
the event of all other faults.Caution
Repairs and adjustments may only be made by trained specialists in
order to maintain the safety and
warranty on the LPG system.
Liquid gas is given a particular odour
(odorised) so that any leaks can be
detected easily.
9 Warning
If you smell gas in the vehicle or in
the immediate vicinity, switch to petrol mode immediately. No
smoking. No naked flames or
ignition sources.
If the gas odour persists, do not start
the engine. Have the cause of the
fault remedied by a workshop.
When using underground car parks,
follow the instructions of the operator
and local laws.
Note
In the event of an accident, switch off
the ignition and lights.
Engine coolant temperature
gauge
Number of LEDs displayed shows the coolant temperature.
up to 3 LEDs:engine operating
temperature not
yet reached4 to 6 LEDs:normal operating
temperaturemore than 6
LEDs:temperature too
high
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88Instruments and controlsCaution
If engine coolant temperature is
too high, stop vehicle, switch off
engine. Danger to engine. Check
coolant level.
Service display
The engine oil life system lets you
know when to change the engine oil
and filter. Based on driving
conditions, the interval at which an
engine oil and filter change will be
indicated can vary considerably.
To display the remaining engine oil
life duration use turn signal lever
buttons:
Press MENU to select the Vehicle
Information Menu ? .
Turn the adjuster wheel to select
Remaining Oil Life .
The remaining engine oil life duration
is displayed in percent in the Driver
Information Centre.
Reset Press SET/CLR on turn signal lever
for several seconds to reset. The
remaining engine oil life duration
menu must be active. Switch on
ignition, but not the engine.
The system must be reset every time
the engine oil is changed to ensure
proper functionality. Seek the
assistance of a workshop.
Next service When the system has calculated that
engine oil life has diminished, a
warning message appears in the
Driver Information Centre. Have
engine oil and filter changed by a
workshop within one week or
500 km (whichever occurs first).
Driver Information Centre 3 98.
Service information 3 238.
Page 91 of 271
Instruments and controls89Control indicatorsThe control indicators described are
not present in all vehicles. The
description applies to all instrument
versions.
Depending on the equipment, the
position of the control indicators may vary. When the ignition 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
Page 92 of 271
90Instruments and controlsControl indicators in the instrument cluster
Page 93 of 271

Instruments and controls91Control indicators in the centre
console
Overview
OTurn signal 3 91XSeat belt reminder 3 92vAirbag and belt tensioners
3 92VAirbag deactivation 3 93pCharging system 3 93ZMalfunction indicator light
3 93gService vehicle soon 3 93RBrake and clutch system
3 94-Operate pedal 3 94uAntilock brake system (ABS)
3 94RGear shifting 3 94cPower steering 3 94)Lane departure warning 3 94rUltrasonic parking assist
3 95aElectronic Stability Control off
3 95bElectronic Stability Control and
Traction Control system 3 95kTraction Control system off
3 95!Preheating 3 95%Diesel particle filter 3 95wTyre pressure monitoring
system 3 96IEngine oil pressure 3 96YLow fuel 3 96dImmobiliser 3 96#Reduced engine power 3 96DAutostop 3 978Exterior light 3 97CHigh beam 3 97fHigh beam assist 3 97>Fog light 3 97rRear fog light 3 97mCruise control 3 97AVehicle detected ahead 3 97LSpeed limiter 3 97LTraffic sign assistant 3 97hDoor open 3 97
Turn signal
O illuminates or flashes green.
Illuminates briefly
The parking lights are switched on.
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92Instruments and controlsFlashes
A turn signal or the hazard warning flashers are activated.
Rapid flashing: failure of a turn signal
light or associated fuse.
Bulb replacement 3 199, Fuses
3 207.
Turn signals 3 120.
Seat belt reminder
Seat belt reminder on front seats
X for driver's seat illuminates or
flashes red in the tachometer.k for front passenger seat illuminates
or flashes red in the centre console
when the seat is occupied.
Illuminates
After the ignition has been switched on, until the seat belt has been
fastened.
Flashes
After having started the engine for a
maximum of 100 seconds, until the
seat belt has been fastened.
Fastening the seat belt 3 42.
Seat belt status on rear seatsX in the Driver Information Centre
flashes or illuminates.
Illuminates
After having started the engine for a
minimum of 35 seconds, until the seat
belt has been fastened.
Also illuminates if an unfastened seat belt is fastened whilst driving.
Flashes
After starting-off, when the seat belt is
unfastened.
Fastening the seat belt 3 42.
Airbag and belt tensioners v illuminates red.
When the ignition is switched on, the control indicator illuminates for
approx. four seconds. If it does not
illuminate, does not go out after
four 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.
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Instruments and controls93Deployment 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, airbag system
3 41, 3 44.
Airbag deactivation
V illuminates yellow.
Illuminates for approx. 60 seconds
after the ignition is switched on. The
front passenger airbag is activated.
* illuminates yellow.
The front passenger airbag is
deactivated 3 49.
9 Danger
Risk of fatal injury for a child using
a child restraint system together
with activated front passenger
airbag.
Risk of fatal injury for an adult
person with deactivated front
passenger airbag.
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
g illuminates yellow.
Additionally, a warning message is
displayed in the Driver Information
Centre.
The vehicle requires a service.
Seek the assistance of a workshop.
Vehicle messages 3 104.
Page 96 of 271

94Instruments and controlsBrake and clutch systemR illuminates red.
The brake and clutch fluid level is too
low, when manual parking brake is
not applied 3 197.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates when the manual parking
brake is applied and ignition is
switched on 3 152.
Operate pedal - illuminates or flashes yellow.
Illuminates
Clutch pedal must be depressed to
start the engine in Autostop mode.
Stop-start system 3 138.
Flashes
Clutch pedal must to be depressed to start the engine with the key 3 19,
3 137.
On some versions, the Driver
Information Display indicates a
message to operate the clutch pedal
3 104.
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 3 151.
Gear shifting R with the number of a higher gear is
indicated, when upshifting is
recommended for fuel saving
reasons.Power steering
c illuminates yellow.
Illuminates with power steering disabled
Failure in the power steering system.
Consult a workshop.
Illumination of c and b
simultaneously
Power steering system must be
calibrated, system calibration 3 155.
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 3 179.