Notes On Body/Equipment Mounting Directives - Mercedes-Benz Unimog Operating Instructions Manual

therefore a condition of the vehicle's operat-
ing permit. Operating the vehicle without
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AdBlue will lead to the invalidation of its
operating permit. The legal consequence of
this is that the vehicle may no longer be oper-
ated on public roads.
This may be a criminal offence or breach road
traffic regulations in certain countries. Spe-
cial concessions granted either at the time of
purchase or to reduce operating costs, e.g.
reduced taxes or road charges, may also be
rendered invalid retroactively. This may be
the case in both the country of registration
and in the country where the vehicle is oper-
ated.
Engine management monitors the BlueTEC
exhaust gas aftertreatment systems for com-
pliance with emissions laws and regulations.
The on-board computer informs you, amongst
other things, about the following:
the status of the BlueTec
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aftertreatment ( Y page 213)
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the AdBlue level (
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the saturation level of the diesel particle
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filter ( Y page 213)
If you attempt to operate the vehicle without
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AdBlue , with diluted AdBlue
ferent reducing agent, this will be detected by
the engine management system. Other emis-
sions-relevant malfunctions, e.g. dosage mal-
functions or sensor errors, are also detected
and logged.
The ; indicator lamp shows emissions-
relevant malfunctions after the engine is star-
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ted. For BlueTec 6 vehicles, the ; indica-
tor lamp also shows the status of the Blue-
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Tec exhaust gas aftertreatment for faster
on-the-spot checks by the authorities.
The  indicator lamp warns you if the sat-
uration level of the diesel particle filter is crit-
ical and indicates any malfunction.
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exhaust gas
Y page 111)
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or with a dif-
The on-board computer informs you in good
time about any emissions-relevant malfunc-
tions or operating errors and displays in order
of priority:
grey event windows (
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yellow event windows (
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red event windows (
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For BlueTec 6 vehicles, the on-board com-
puter also displays the · indicator lamp in
the status area of the display for the duration
of the malfunction detected.
If you do not observe these event windows
and their instructions, it is possible that:
the engine output is reduced
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for BlueTec 6 vehicles, the speed is then
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limited to approx. 20 km/h
the diesel particle filter has to be replaced
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early
If there is a malfunction of the BlueTec
exhaust gas aftertreatment system, have it
checked and repaired at a qualified specialist
workshop.
Attachments, bodies, equipment and
conversions
Notes on body/equipment mounting
directives
! For safety reasons, have bodies manufac-
tured and fitted in accordance with the
applicable Mercedes-Benz body/equip-
ment mounting directives. These body/
equipment mounting directives ensure that
the chassis and the body form one unit and
that maximum operating and road safety is
achieved.
For safety reasons, Mercedes-Benz recom-
mends that:
no other modifications should be made
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to the vehicle.
approval should be obtained from
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Mercedes-Benz in the event of deviations
Introduction
Y
page 129)
Y page 130)
Y page 138)
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