Mercedes-Benz Actros 2017 Operating Instructions Manual page 133

®
BlueTec 4 vehicles and BlueTec
Problem
The ; indicator lamp
lights up, then goes off
again after starting the
engine.
The ; indicator lamp
flashes.
The on-board computer
displays an event win-
dow.
The ; indicator lamp
lights up.
®
i Once the AdBlue
the system check does not detect any other faults, the ; indicator lamp goes out. It may take
several journeys to complete the system check
®
BlueTec 6 vehicles
Problem
The ; indicator lamp
flashes.
The ; indicator lamp
lights up and remains lit
after the engine is star-
ted.
®
5 vehicles
Possible causes/consequences and M Solutions
If there are no malfunctions, the indicator lamp lights up briefly during
the instrument cluster's display check and then goes out after the
engine starts.
®
AdBlue has been used up or an emissions-related malfunction has
been detected.
The engine output may be reduced.
X
Follow the instructions in the event window.
X
Drive carefully to the nearest filling station and refill AdBlue
Y
( page 318).
or
X
Drive carefully to the nearest qualified specialist workshop and
have the malfunction rectified immediately.
®
The BlueTec exhaust gas aftertreatment is malfunctioning or has an
emissions-related fault. The malfunction or defect may damage the
®
BlueTec exhaust gas aftertreatment.
X
If the on-board computer displays an event window, observe the
information.
X
Have the BlueTec
ately at a qualified specialist workshop.
tank has been refilled or the fault rectified, full engine output is restored. If
Possible causes/consequences and M Solutions
After you have switched the ignition lock into drive position, the indi-
cator lamp indicates the system's status by means of a sequence of
flashes. If there are no malfunctions, the indicator lamp goes out after
the engine is started (
®
The BlueTec exhaust gas aftertreatment is malfunctioning or has an
emissions-related fault. The malfunction or defect may damage the
®
BlueTec exhaust gas aftertreatment.
X
If the on-board computer displays an event window, observe the
information.
X
Have the BlueTec
ately at a qualified specialist workshop.
Instrument cluster
®
exhaust gas aftertreatment checked immedi-
Y
page 133).
®
exhaust gas aftertreatment checked immedi-
131
®
Z