Diesel Fuels - Mercedes-Benz 350 SDL TURBO 1991 Owner's Manual

Diesel Fuels

Use only c om m e rcially ava ila ble
veh icu lar diesel fuels No. 2 or No. 1
(ASTM D 975 No. 2-D or No. 1-D).
If diesel fuels are used w ith a sulph ur
content exce ed ing 0,5 % by w eight,
refer to the " E nginge O il C hange and
O il F ilter S e rvice " section. M arine
diesel fuel, heating oil or the like m ust
not be used.
A t very low te m p e ra tu re s the flu id ity of
No. 2 diesel fuel m ay be com e in suffi­
cie nt due to paraffin sep ara tion. For
this reason the veh icle com e s e q u ip ­
ped w ith a fuel preheater. T h e fuel
pre he ater only w o rks w ith the veh icle s
interior heater operating. It perm its a
troub le fre e engine opera tion to a
tem pe rature of ap p ro xim a te ly -
(+14°F) w hen using No. 2 diese l fuel.
To avoid m alfu nctio ns, No. 2 diesel
fuel of a low ered cloud po in t is
m arketed during the cold season.
A t tem pe rature s be lo w - 1 0°C (+ 14°F)
use w interize d or No. 1 diesel fuel
only. If not available, a certain q u an tity
of kerosene m ay be added. M ixing
only to be done w ithin th e c a rs ' fuel
tank. K erosene has to be filled in
before the diesel fuel.
E ngine p o w e r m ay d ro p acco rding to
th e pro po rtion of kerosene. For this
reason, keep p e rcen ta ge of kero sen e
adde d to the m inim um ne cessita te d
by the am b ie nt tem pe rature .
T he fo llo w in g tab le can be used as a
reference, if ad ding of kero sen e
be com e s necessary. T he m ixing ratios
show n refer to the total m ixture.
Even in extrem e clim a tic conditions,
the m axim um m ixture ratio s ho uld not
exce ed 50 %.
A dd in g o f kero sen e to No. 1 diesel
fuel is not reco m m en ded even at low
tem pe rature s.
1
0°C
A m bien t tem p e ra tu re
- 1 0°C to -2 0 ° C (+ 14 °F to - 4 ° F )
be lo w -2 0 ° C (-4 ° F )
W arn ing !
U n d er no circ u m sta n c es should
g aso lin e be m ixed w ith diesel
fuel.
A lw ay s fo llo w basic safety rules
w h e n w o rkin g w ith an y c o m b u s ti­
b le m aterial. Do not fill th e fuel
ta n k or m ix diesel fuel and
ke ro se n e w h e n sm o k in g , n ear an
open fla m e or w h ile th e v e h ic le 's
en g in e is ru n nin g. An explo sion
or fire can result.
No. 2
Diesel Fuel K erosene
%
70
50
%
30
50