198 Engine, exhaust system and fuel ›
Another substance was used for topping up, other
than distilled or demineralised water:
›
Have the coolant changed by a specialist garage.
It is not possible to top up with a sufficient amount
of coolant
›
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.
Engine electronics
Troubleshooting
Petrol engine control faulty
illuminates
Driving in emergency mode is possible - a
noticeable reduction in engine performance may oc-
cur.
›
Drive on carefully, get the help of a specialist com-
pany.
Diesel engine control faulty
flashes
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.
Diesel preheating system faulty
illuminates, or does not illuminate after the
ignition is switched on
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.
Particle filter
Troubleshooting
Clogged particle filter
illuminates together with
or
illuminates together with
›
Clean the filter.
When the indicator light is on, it must be as-
sumed that fuel consumption will be higher, engine
Engine electronics
power will be reduced, and the START-STOPP func-
tion will not be available.
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.
If the filter is cleaned successfully, the indicator light
goes out
If the indicator light
40 minutes, the filter was not cleaned.
›
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.
If the filter is cleaned successfully, the indicator light
goes out
If the indicator light
30 minutes, the filter was not cleaned.
›
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
Exhaust control system
Troubleshooting
Emission control system faulty
illuminates
Driving in emergency mode is possible - a no-
ticeable reduction in engine performance may occur.
›
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
Fuel filter
Troubleshooting
Water in the diesel fuel filter
illuminates together with
or
illuminates together with
.
does not go off within
.
does not go off within