from all Mercedes-Benz or MTU Service Cen-
tres (Y page 11).
If you add a flow improver to the FAME fatty
acid methyl
ester fuel, the fuel's resistance to
low temperatures does not change.
Fatty acid methyl ester (FAME) fuel
(bio-diesel)
General notes
!
To avoid damage to the assemblies and
components, observe the following points
when using FAME fatty acid methyl ester
fuel:
R
have the fuel filter and the oil filter
replaced approximately 1000 km after
switching to FAME fatty acid methyl
ester fuel.
R
have the oil filter and the fuel filter
replaced at every oil change.
R
the oil
will have to be changed and the oil
filter replaced much more frequently.
R
FAME fatty acid methyl ester fuel short-
ens the service life of conventional fuel
filters. For this reason, Mercedes-Benz
recommends the installation of a special
fuel prefilter. Information about this is
available at any qualified specialist work-
shop, e.g. a Mercedes-Benz or MTU
Service Centre.
R
only add FAME fatty acid methyl ester
fuel in compliance with DIN EN 14214.
Fuel additives or fuels that do not comply
with DIN EN 14214 may cause malfunc-
tions or engine damage.
R
FAME fatty acid methyl ester fuel cor-
rodes painted surfaces. Do not allow
FAME fatty acid methyl ester fuel to
come into contact with the paintwork.
Rinse off FAME fatty acid methyl ester
fuel with water immediately.
R
preferably only add engine oil in accord-
ance with Sheet no. 228.5/51 or
228.3/31 of the Mercedes-Benz Speci-
fications for Service Products.
R
if the
vehicle is not used for long periods
of time, FAME fatty acid methyl ester fuel
can clog fuel system components. For
this reason, use all the FAME fatty acid
methyl ester fuel before long periods of
time when the vehicle is not used. Fill up
the fuel tank with conventional diesel
fuel. Allow the engine to run for at least
one hour before switching off the vehi-
cle/equipment.
R
Mercedes Benz recommends that you do
not use FAME fatty acid methyl ester fuel
for engines that are not used for long
periods of time, e.g. fire engines.
R
the auxiliary heating may only be oper-
ated with conventional diesel fuel. Oth-
erwise, the system may malfunction.
Conventional diesel fuel already contains
a percentage of FAME fatty acid methyl
ester fuel. Therefore, do not add more
than 5% FAME fatty acid methyl ester fuel
to conventional diesel fuel.
An additional fuel tank is required for
conventional diesel fuel for the auxiliary
heating system, if you operate the vehi-
cle:
-
using FAME fatty acid methyl ester fuel
-
using a mixture of conventional diesel
fuel and more than 5% FAME fatty acid
methyl ester fuel.
H
Environmental note
If the vehicle runs on FAME fatty acid methyl
ester fuel, ask your disposal plant whether
you have to collect the engine oil separately.
Not all manufacturers of refined products
(lubricant
manufactured
from used engine oil)
can process engine oil which has been
enriched with FAME fatty acid methyl ester
fuel.
Observe the special notes and national regu-
lations when disposing of engine oils. Infor-
mation about this is available at any qualified
specialist workshop, e.g. any Mercedes-Benz
or MTU Service Centre.
Service products
53
Maintenance and care
Z
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