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#1
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B20 in 99 E300TD
I have been thinking about filling my tank up with B20 next time I need fuel. Is this a good or bad idea? Is it likely to cause problems with my engine? What effect will it have on performance and fuel economy? Is it worth the extra thirty cents a gallon? Thanks.
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2006 E320CDI- current dd 1999 E300TD - retired Wilmington, NC USA |
#2
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Quote:
Effects on performance and fuel economy will be small. But downward if any. Not worth an extra 30 cents a gallon IMO, but if it makes you feel good, go for it.
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1982 240 D, 308,000 - 321,127 miles (sold) 1982 300 TD,166,500 - 226,000 miles 1998 E 320, 120,000 - 144,000 miles 2005 C 230 K, 26,000 - 77,000 miles (sold) |
#3
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B99 is fine too. If your fuel line orings are already old, switching to bio will likely hasten their failure; that failure will happen regardless and shouldn't occur immediately.
Other than that there should be no problems. I get 10% less mpg's on B99.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
#4
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If they are charging EXTRA for B20, you are shopping at a boutique... B20 should be 10 or so cents less than D2... it SHOULD not harm your car, but it can clean out your lines/tank to a degree, and if your system is dirty, it can clog up marginal fuel filters. if you have no problems changing filters, go for it. it will MARGINALLY reduce the foreign oil importing if you use it, but aside from that, I would not pay extra for the privilege.
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere! |
#5
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Sounds to me like i'm going to be sticking to ULSD with my power services additive. Thanks for the info.
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2006 E320CDI- current dd 1999 E300TD - retired Wilmington, NC USA |
#6
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Don't be afraid of commercially prepared bio; ULSD will deterioate your oring seals too.
Economically it makes little if any sense as its higher priced and less efficient; but it wont hurt anything.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
#7
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On my car, B99 ran great, but it swelled the o-rings so when I switched back to B20 for a cold snap, they all started leaking. Now they are Viton, no leaks, and finally got rid of the smell from all the encapsulation panels.
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#8
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Us too
Quote:
Jeremy
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"Buster" in the '95 Our all-Diesel family 1996 E300D (W210) . .338,000 miles Wife's car 2005 E320 CDI . . 113,000 miles My car Santa Rosa population 176,762 (2022) Total. . . . . . . . . . . . 627,762 "Oh lord won't you buy me a Mercedes Benz." -- Janis Joplin, October 1, 1970 |
#9
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All of the biofuels around here are B20 and are more expensive than D2. I have run B20 in my '98 and never noticed any difference in the way it ran at all.
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Marty D. 2013 C300 4Matic 1984 BMW 733i 2013 Lincoln MKz |
#10
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Graysilm.......one of the inherent qualities of BioDiesel is that it is a great injector and fuel system purge. It is a great carbon solvent! Even if you only occassionally fill your tank with 20 gallons of B20 for an extra $.30 per gallon your essentually getting 4 gallons of solvent/purge/Biodiesel flowing through your fuel system for an extra $6.00. A liter of "Diesel Kleen" or "Purge" would cost you more than twice that and probably would not do as thorough a job.........
I have run everything from B20, B99 and mixed my own ratio of B50 with no ill effects in my 98 with the exception of a slight loss of mpg with the B99. The car has over 170K and the engine is running better than ever since I started using Biodiesel on occassion.
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FRED Daily Driver: 98 E300TD 199K Hobby Car: 69 Austin Mini Past Diesels: 84 300SD, 312K 87 300SDL, 251K 94 Chev. K-1500 6.5Ltr.TD, 373K |
#11
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F18, did you modify anything? thanks
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#12
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Its not necessary to modify anything to use Bio. Just be aware that leaks can develop due to the change in fuel type. The oring are accustomed to the aromatic chemicals in ULSD now and when missing the rubber changes chemically. Bio also breaks down some rubber, specificially the buna product MB uses as OEM. Most of us that have gotten tired of this have switched to viton orings. Go to fryerpower.com (a forum member) and get a kit for your 606.962 or buy your wone 10 paks. Counts and sizes of the important ones are here...OM606.962 o-ring size
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
#13
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B20 is the same or less than D2 here. I have not checked on B99 in a few months.
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine |
#14
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Quote:
In NorCal Bio is a considerable premium. I paid $5.70 for B99 the last time I purchased in the Bay Area; D2 was $5.10 at that time. Jeremy up in the North Bay said B99 was $6.20 or $6.30 not long ago.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
#15
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I have clients that have that year model on there MB, and they love it. We only sale B100 for a price of $4.79. If it's your first time filling up with biodiesel have a second fuel filter on hand for both filters you have on your car, just in case you have lose of power.
Using biodiesel is a 100 times better then diesel in every way.
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Professional greasecar installer Austin TX 98 Jetta TDI with grease car kit + veg-therm (totaled) 87 MB 300SDL running on B99 / greasecar kit + 30 fphe www.austingreaseguys.com |
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