Mercedes-Benz 1984 300SD, Owner'S Manual

Page: 93 / 101

Fuels C o o lan ts Lubricants etc.
Diesel Fuels
Use only com m ercially available vehi­
cular diesel fuels No. 2 o r No. 1
(ASTM D 975 No. 2-D o r 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 co n te n t 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 becom e
insufficient due to paraffin separation.
To avoid malfunctions, No. 2-D diesel
fuel of a lowered cloud po in t is
marketed during the cold season.
A t tem peratures below 0° C/32° F
use w interized 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 c a rs’ fuel
tank. Kerosene has to be filled in
before the diesel fuel.
Engine pow er may drop according to
the p roportion of kerosene. For this
reason, keep percentage o f 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
ratios shown refer to the total
m ixture. Even in extrem e clim atic
conditions, the maximum m ixture
ratio should not exceed 50 % .
A dding of kerosene to No. 1-D diesel
fuel is not recom m ended even at low
tem peratures.
Am bient tem perature
Warning
Always follow basic safety rules when
w orking w ith any com bustible m ater­
ial. 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 o/o
0° C to — 10° C / + 32° F to + 1 4 ° F 70 30
b e lo w - 1 0 ° C / + 14° F 50 50