Mercedes-Benz 300 SD-Turbo Diesel 1985, Owner'S Manual

Page: 97 / 105

Fuels Coolants Lubricants etc.
Diesel Fuels
Use only com m ercially available vehi­
cular diesel fuels No. 2 or No. 1
(ASTM D 975 No. 2-D or No. 1-D).
Caution!
Diesel Fuel Additives in V ehicles Cer­
tified fo r California Operation.
Beginning w ith 1985 m odels, Califor-
nia-Version Diesel Engine vehicles
are equipped w ith a Trap Oxidizer. If
you use non-approved fuel additives,
the Trap Oxidizer could be damaged,
resulting in severe engine pow er loss
and expensive repairs, not covered
under the new vehicle warranty.
See your authorized MERCEDES-
BENZ dealer to find out if a list of
approved additives is available.
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 m alfunctions, No. 2-D diesel
fuel of a lowered cloud p oint is
m arketed 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 c a rs ’ fuel
tank. Kerosene has to be filled in
before the diesel fuel.
Engine pow er may d ro p according to
the proportion 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
mixture. Even in extrem e clim atic
conditions, the maximum m ixture
ratio should not exceed 50 o/o.
A m bient tem perature
A dding of kerosene to No. 1-D diesel
fuel is not recom m ended even at low
tem peratures.
Warning!
Always follow basic safety rules when
w orking with 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
ve h icle ’s engine is running. An explo­
sion or fire can result.
No. 2
Diesel Fuel
o/o
Kerosene
o/o
0° C to - 1 0 ° C / + 320 F to + 1 4 ° F
below - 1 0 ° C / + 14° F
70
50
30
50
(
95