Engine electronics
Troubleshooting
Hybrid drive system faulty
illuminates
›
You may continue driving, exercising appro-
priate caution. Seek the help of a specialist garage.
illuminates
›
Stop driving! Seek the help of a specialist ga-
rage.
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.
Particle filter
Troubleshooting
Clogged particle filter
illuminates together with
›
Clean the filter.
If the indicator light is illuminated, increased fuel
consumption and reduced engine power must be ex-
pected.
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.
Cleaning procedure
›
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 successfully cleaned, the indicator light
goes off.
.
If the indicator light
does not go off within 30
minutes, no filter cleaning was performed.
›
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.
Radiator blinds
Usage
The radiator blinds reduce emissions harmful to the
environment and CO
2
-Emissions and saving fuel.
Troubleshooting
If the display of the instrument cluster shows a mes-
sage relating to the function restriction of the blinds,
the maximum speed of the vehicle is limited to 160
km/h.
The cause may be ice or snow in the area around the
blinds. After the ice or snow has thawed, the blinds
are functional again.
›
Should the impairment not be due to ice or snow,
assistance from a specialist should be sought.
Fuel filler flap
Opening the fuel filler flap
›
Press the button in the driver's door.
The fuel filler flap is unlocked after a few seconds
and is partially opened.
›
Open the flap.
Petrol
What you should be mindful of
DANGER
Risk of death!
Fuel and fuel vapours are explosive.
137
Engine, exhaust system and fuel ›
Engine electronics