Engine, exhaust system and fuel › Engine electronics 149
Another substance was used for topping up, other
than distilled or demineralised water:
power will be reduced, and the START-STOPP func-
tion will not be available.
Have the coolant changed by a specialist garage.
›
Filter cleaning
It is not possible to top up with a sufficient amount
of coolant
Conditions for cleaning
✓ The engine is warm.
✓ For vehicles with manual transmission, observe
the gear recommendation shown in the display of
the instrument cluster.
Stop driving.
Stop the engine and seek the help of a specialist
garage.
›
›
There is a loss of coolant
Top up the coolant and seek the help of a specialist
garage.
›
Procedure for vehicles with diesel engines
Drive at a speed of at least 60 km/h at engine
speeds of at least 2000 rpm.
›
Engine electronics
Troubleshooting
If the filter is successfully cleaned, the indicator light
goes off.
or
.
If the indicator light
or
does not go off with-
Petrol engine control faulty
in 40 minutes, no filter cleaning was performed.
illuminates
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
›
Driving in emergency mode is possible - a
noticeable reduction in engine performance may oc-
cur.
Procedure for vehicles with petrol engines
Drive at a speed of at least 80 km/h at engine
speeds between 3000-5000 rpm.
Release the accelerator pedal and let the vehicle
›
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
›
›
roll with the gear engaged for a few seconds.
Diesel engine control faulty
Repeat this procedure several times.
flashes
›
If the filter is successfully cleaned, the indicator light
Driving in emergency mode is possible - a noticeable
reduction in engine performance may occur.
goes off.
or
.
If the indicator light
in 30 minutes, no filter cleaning was performed.
or
does not go off with-
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
›
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
›
Diesel preheating system faulty
illuminates, or does not illuminate after the
ignition is switched on
Exhaust control system
Troubleshooting
Driving in emergency mode is possible - a noticeable
reduction in engine performance may occur.
Continue driving, exercising appropriate caution,
›
Emission control system faulty
illuminates
and seek the help of a specialist garage.
Driving in emergency mode is possible - a no-
ticeable reduction in engine performance may occur.
Particle filter
Continue driving, exercising appropriate caution,
›
Troubleshooting
and seek the help of a specialist garage.
Clogged particle filter
illuminates together with
Fuel filter
or
Troubleshooting
illuminates together with
Water in the diesel fuel filter
illuminates together with
Clean the filter.
›
or
When the indicator light is on, it must be as-
sumed that fuel consumption will be higher, engine
illuminates together with
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