Mercedes-Benz Atego Manual page 46

Instrument panel
Engine diagnosis indicator lamp
Risk of accident and injury
Always have service work performed at a qualified specialist workshop possessing the required expertise and
tools in order to perform the necessary work.
Mercedes-Benz recommends a Mercedes-Benz service center for this work.
In particular, it is absolutely essential that all safety-relevant work and all work on safety-relevant systems is
performed by a qualified specialist workshop. There is a risk of accident and injury if these jobs are not
performed properly.
Problem
The indicator lamp
lights up briefly.
The indicator lamp
flashes.
At the same time the display
shows a display message
with yellow status indicator.
Standard onboard
#
computer:
Plus onboard computer:
".
The indicator lamp
lights up.
1
The engine power is not reduced in emergency vehicles, e.g. fire-fighting vehicles.
2
The engine power is not reduced in emergency vehicles, e.g. fire-fighting vehicles.
44
Guidelines for Breakdown Services (Subject to technical modifications)
i
Possible cause/consequence Suggested solutions
±
During the Instrument display
check, the indicator lamp
lights up briefly and goes out
again if there is no malfunction.
®
±
The AdBlue supply is
exhausted or there is a
malfunction.
The engine output may be
1
reduced.
±
Emissions-relevant malfunction
or fault in the BlueTec
aftertreatment system. This
malfunction or fault could result
in damage or degradation of the
exhaust aftertreatment system.
The engine output may be
2
reduced.
-
±
Follow the instructions in the display
messages, see page 37.
Have the BlueTec
®
ment system checked as quickly as pos-
exhaust
sible at a qualified specialist workshop.
G
®
exhaust aftertreat-