44
Description and roadside assistance
Guidelines for Breakdown Services (Subject to technical modifications)
i
Instrument panel
Engine diagnosis indicator lamp
Risk of accident and injury
G
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
Possible cause/consequence Suggested solutions
The indicator lamp
±
lights up briefly.
During the Instrument display
check, the indicator lamp
±
lights up briefly and goes out
again if there is no malfunction.
-
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 AdBlue
®
supply is
exhausted or there is a
malfunction.
The engine output may be
reduced.
1
Follow the instructions in the display
messages, see page 37.
The indicator lamp
±
lights up.
Emissions-relevant malfunction
or fault in the BlueTec
®
exhaust
aftertreatment system. This
malfunction or fault could result
in damage or degradation of the
exhaust aftertreatment system.
The engine output may be
reduced.
2
왘
Have the BlueTec
®
exhaust aftertreat-
ment system checked as quickly as pos-
sible at a qualified specialist workshop.
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.