Diesel Fuels - Mercedes-Benz 300 D 1984 Owner's Manual

Diesel Fuels

Use only comm ercially available vehi­
cular diesel fuels No. 2 or No. 1
(ASTM D 975 No. 2-D or No. 1-D).
Change engine oil in com pliance with
section " Engine Oil Change and Oil
Filter Service" if diesel fuels are used
whose sulphur content exceeds
0.5 o/o by weight. Marine diesel fuel,
heating oil or the like m ust not be
used.
A t very low tem peratures the fluidity
of No. 2-D diesel fuel may become
insufficient due to paraffin separation.
To avoid malfunctions, No. 2-D diesel
fuel of a lowered cloud point is
marketed during the cold season.
A t tem peratures below 0° C / + 320 F
use winterized or No. 1 diesel fuel
only. If not available, a certain quantity
of kerosene may be added. Mixing
only to be done within the ca rs' fuel
tank. Kerosene has to be filled in
before the diesel fuel.
Engine pow er may drop according to
the proportion of kerosene. For this
reason, keep percentage of kerosene
added to the minimum necessitated
by the am bient tem perature.
The follow ing table can be used as a
reference, if adding of kerosene
becom es necessary. The mixing ra­
tios shown refer to the total mixture.
Even in extreme clim atic conditions,
the maximum m ixture ratio should not
exceed 50 o/o.
A dding of kerosene to No. 1-D diesel
fuel is not recom m ended even at low
tem peratures.
Am bient tem perature
0° C to - 10° C/ + 3 2 ° F to + 14° F
below - 1 0 ° C / + 1 4 ° F
Fuels C o o lants Lubricants etc.
Warning
Always follow basic safety rules when
w orking with any com bustible mate­
rial. Do not fill the fuel tank or mix
diesel fuel and kerosene when sm ok­
ing, near an open flame or while the
vehicle's engine is running. An explo­
sion or fire can result.
No. 2
Diesel Fuel Kerosene
o/o
70
50
o/o
30
50