1 The use of kerosene 1n road vehicles 1s
not permitted in some countries, e. g. UK.
Therefore consult the authorities before
such mixtures are used.
Diesel fuels at oxtromoly low temperatures
At low ambient tPmpl'1,1tu11•-; llw flu1d1ty of diesel fuel may become insufficient due
to paraffin sepa, at1on
To avoid malfuncuon•,, chH•wl luels with improved fluidity are marketed during the
cold season .
If w1nll>r ct1of,ul fuel 1s used , there will usually be no malfunctions at
ambient temperaturw;
a•; low tlS approx. -15°C (5°F).
Trouble-fre e opera tron wrtl1 wmter-grade diesel fuel is general ly poss ible down
to approx . -23 ' C ( 9 ti I ) as c.1 result of the fuel preheater which is switched on
when the vehicle
hoatPr , •• oporatrng.
Depending on the amlill'nt tl'mperature, add a certain quantity of kerosene, or
flow improv er rf only sull1rnm c.lresel fuel or less cold-resistant winter diesel fuel is
available or if the aml)l(mt temperature drops below -15 °C (5°F).
However , the efficrency of the flow improver cannot be guaranteed for every brand
of fuel. Flow improvers
can also be combined with regular gasoline or kerosene.
Comply with manufacturers' recommendations. Every MERCEDES-BENZ service
station will advrse you on approved flow improvers .
Exceptionally , if no kerosene or flow improver is available , leaded or unleaded
regular gasoline may also be used. Premium fuels must not be used for blending .
For mixing ratio, refer to chart.
The engine power may clrop depending on the proportion of supplementary fuel.
For this reason, keep percentage of fuel added to the minimum necessitated by
the ambient temp erature.
Percentage of suppleme ntary fuel:
- Max. proportion of kerosene 50
% .
- Max. proportion of regular gasoline 30 % (a maximum of 20 % for vehic les with
fuel preheating system).
Pour the additive into the diesel fuel before its fluidity becomes insufficient
because of paraffin separation. Failures due to paraffin separation can be
eliminated only by heatrng the entire fuel system .
For safety reasons, only blend kerosene or regular gasoline with diesel fuel in the
fuel tank. For this purpose, pour in kerosene or regular gasoline first and then
diesel fuel.
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