Diesel Fuels - Mercedes-Benz 300 SD Turbo Diesel 1982 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 % 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/32° 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 w ithin the ca rs' fuel
tank. Kerosene has to be filled in
before the diesel fuel.
Engine power may drop according to
the proportion of kerosene. For this
reason, keep percentage of kerosene
added to the minimum necessitated
by the ambient tem perature.
The following table can be used as a
reference, if adding of kerosene
becom es necessary. The m ixing ra­
A m bient tem perature
0° C to —10° C / + 32° F to + 1 4 ° F
b e lo w - 1 0 ° C / + 14° F
Fuels C oo la nts Lu brica nts etc.
tios shown refer to the total mixture.
We recom m end not to exceed the
m ixture ratio, dependent on prevailing
tem peratures by max. 50 °/o.
Adding of kerosene to No. 1-D diesel
fuel is not recom m ended even at low
tem peratures. The use of further
additives is not recom m ended.
No. 2
Diesel Fuel Kerosene
%
70
50
%
30
50
(
87