200 Engine, exhaust system and fuel › Exhaust control system
Filter cleaning
Radiator blinds
Usage
Conditions for cleaning
✓ The engine is warm.
The radiator blinds reduce emissions harmful to the
environment and CO2-Emissions and saving fuel.
✓ For vehicles with manual transmission, observe
the gear recommendation shown in the display of
the instrument cluster.
Procedure for vehicles with diesel engines
Troubleshooting
Drive at a speed of at least 60 km/h at engine
speeds of at least 2000 rpm.
›
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.
If the filter is successfully cleaned, the indicator light
goes off.
or
.
If the indicator light
or
does not go off with-
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.
in 40 minutes, no filter cleaning was performed.
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
›
Should the impairment not be due to ice or snow,
assistance from a specialist should be sought.
›
Procedure for vehicles with petrol engines
Drive at a speed of at least 80 km/h at engine
speeds between 3000-5000 rpm.
›
Fuel filler flap
Release the accelerator pedal and let the vehicle
roll with the gear engaged for a few seconds.
Repeat this procedure several times.
›
Opening the fuel filler flap
›
Press the flap and open
›
If the filter is successfully cleaned, the indicator light
it.
goes off.
or
.
If the indicator light
or
does not go off with-
in 30 minutes, no filter cleaning was performed.
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
›
Exhaust control system
Troubleshooting
AdBlue
Emission control system faulty
illuminates
Driving in emergency mode is possible - a no-
ticeable reduction in engine performance may occur.
Regulations
Only use AdBlue® that corresponds with the ISO
22241-1 standard. Do not add additives to AdBlue®.
AdBlue® is a registered trademark of VDA and is also
popular as AUS 32 (Aqueous Urea Solution) or DEF
(Diesel Exhaust Fluid).
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
›
Fuel filter
Troubleshooting
Functionality
Water in the diesel fuel filter
To reduce pollutant emissions, a urea solution is au-
tomatically injected into the exhaust system - AdBl-
ue®.
AdBlue® freezes at temperatures below -11 C. The
system function is ensured by automatic heating.
illuminates together with
or
illuminates together with
Continue driving, exercising appropriate caution,
and seek the help of a specialist garage.
›
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