194 Engine, exhaust system and fuel › Engine electronics
If the filter is cleaned successfully, the indicator light
Engine electronics
goes out
.
Troubleshooting
If the indicator light
does not go off within
40 minutes, the filter was not cleaned.
Petrol engine control faulty
illuminates
Driving in emergency mode is possible - a
noticeable reduction in engine performance may oc-
cur.
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
›
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
roll with the gear engaged for a few seconds.
Repeat this procedure several times.
›
Drive on carefully, get the help of a specialist com-
›
pany.
›
Diesel engine control faulty
›
flashes
If the filter is cleaned successfully, the indicator light
goes out
.
Driving in emergency mode is possible - a noticeable
reduction in engine performance may occur.
If the indicator light
does not go off within
30 minutes, the filter was not cleaned.
Drive on carefully, get the help of a specialist com-
pany.
›
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.
Drive on carefully, get the help of a specialist com-
pany.
›
Emission control system faulty
illuminates
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
Troubleshooting
or
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
power will be reduced, and the START-STOPP func-
tion will not be available.
illuminates together with
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
›
Filter cleaning
Conditions for cleaning
✓ The engine is warm.
✓ For vehicles with manual transmission, observe
the gear recommendation shown in the display of
the instrument cluster.
Procedure for vehicles with diesel engines
Drive at a speed of at least 60 km/h at engine
speeds of at least 2000 rpm.
›
English 
