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#1
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Bio-Diesel OK in new E-320?
What is the truth regarding Bio in a 2007 Mercedes Bluetec? Mercedes has only approved a 5% blend provided the bio meets ASTM D6751 & has the necesssary osidation stability )min. 6h, proved with EN14112 method) to prevent damages to the system from deposits and/or corrosion.
Does the biodiesel sold here in Houson meet these criteria? Is Mercedes being overly conservative? Can you actually run a higher percentage blend? (B-20) Will running biodiesel adversely affect my engine? Can mercedes tell when servicing the car whether it has been using biodiesel, and if so, can they tell what percentage blend I have been using. Just concerned because there are so many unknowns for me. Thank you for any input you all could give. |
#2
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It's all up to you and if you want to risk it. Retail B5 is all you can use if you want to keep your warranty, WVO and SVO are completely out of the question. Last edited by ForcedInduction; 12-10-2007 at 06:14 PM. |
#3
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Considering the car is under warranty I would only run what the manual says you can, until it expires. Because if you have a major fuel system problem, and the dealer suspect that you run biodiesel you will be SOL. It wouldn't take much for them to send a sample of your fuel to the lab and see it come back as B20 or B100. Then say by, by to any warranty.
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2016 Corvette Stingray 2LT 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
#4
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Especially a Bluetec. That filter/cat combo alone runs in the $x,000 range to replace.
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#5
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Replacing whatever makes it a "bluetec" part would be scary!
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2016 Corvette Stingray 2LT 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
#6
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You will NOT void your warranty if you run biodiesel. BUT dont expect them to honor a fuel related repair if you have over B5 biodiesel in the tank, most common biodiesel problems with late model diesels is that they dont take very well to bad fuel, whether it be diesel or biodiesel.
Biodiesel on the other hand doesnt have mandated standards, so it can vary in quality. To be 100% sure ask the vendor for the test sheet from their recent batch of biodiesel to see if it meets the ASTM standards. If they cant provide you one then run the fuel at your own risk. Can they test your tank for the amount of biodiesel in your tank? YES! but its an expensive test, dealers wont waste their money on a $500 test at every oil change just to screw with you. But if you happen to come in with a bad injection pump and they suspect biodiesel was the culprit they will have the test done to see if your over the B5 limit. But you can always siphon out the bad fuel fill it up with diesel and they will have to honor your repair ![]()
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Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
#7
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I wouldn't do it; too high a risk/reward ratio.
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#8
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Yeah but on a bluetec the "fuel system" would include some really expensive parts. Like the CDI system, the emissions system, exhuast. If you run B100 fry your injectors and cook the cats, MB is going to say your SOL. Thats probably a $6k+ bill on one of these. Or what if you cook the engine! OMFG bend over I bet a new dealer installed engine is $15k or more!
![]() But is saving the world in a $60k leather and rare wood lined luxury car is that important, whats a couple of bucks. ![]()
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2016 Corvette Stingray 2LT 1969 280SE 2023 Ram 1500 2007 Tiara 3200 |
#9
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Agreed. Wait for your warranty to run out and in the mean time let others be the guinea pig to determine exactly what % that engine can run w/o problems.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
#10
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I have repaired more Common Rail injectors damaged from bio diesel use that its no longer funny. Follow the 5% max and it will be fine. Anything over that and you are asking for destruction.
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1987 300TD ( under resto ) 1987 300E SOLD 1987 300D 1993 400E 1997 Dodge/Cummins 3500 2004 E320 Wagon SOLD 2006 BMW M5 Yes, they will go 204 MPH SOLD ![]() 2008 BMW 535i SOLD (POS) 2011 BMW X5 Diesel 2013 X5M Tuned to 700+ HP Stupid Fast SOLD 2016 Nissan Titan XD Cummins 5.0! 2004 Audi Quattro ( track car ) AutoX machine 2010 BMW 328i ( sometimes track, but the Audi is faster ) I own maybe 100 t-shirts and they all smell like Diesel fuel and test oil...... |
#11
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Why would you want to run bio in a 2007 Bluetec? Just curious.
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'79 300SD '82 Chevy Chevette diesel |
#12
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Because you do know that biodiesel is allowed at 100% in germany becaue of the mandated quality control.
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Current: 05 E320 CDI 07 GL320 CDI 08 Sprinter 05 Dodge Cummins 01 Dodge Cummins Previous 2004 E55 AMG 2002 C32 AMG (#2) 1995 E300 1978 300D 1987 300D 2002 C32 AMG(blown motor :[ 1981 300SD 1983 300SD 1987 300SDL 2002 Jetta TDI 1996 S420 1995 S500 1993 190E 2.6 1992 190E 2.3 1985 190E 2.3 5-Speed |
#13
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I wonder if he already ran the biodiesel and is now experiencing some serious issues and is just hiding by asking what if or can I?
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DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012 ![]() |
#14
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No porblems what soever.....but
No, I have not experienced any problems whatsoever, and I don't want to. I ran approximately a 20% blend over the past 1000 miles. I have just over 9200 miles on my vehicle. The owner of the biodiesel station stated that his fuel met all the requirements that mercedes listed as their fuel standard requirements for biodiesel, and that it was a soy based diesel. He has been selling quite a bit of fuel over the past few years.
But he also stated that all vehicles sold in the US back to 19.., (I don't remeber what year exactly, but it was a few years back) would not have a problem burning biodiesel. And he said that if I had a vehicle with a lot of miles on it that it is not uncommon for some of the contaminats that have built up to be loosened up by the biodiesel. He went on to say what was necessary in that situation, but it did not apply to me. He also stated that I could run any blend up to straight biodiesel without any problems. I was not comfortable with this, but I did run a blend that was just under 20%. So the reason I am here is to try and get the straight scoop. Mercedes says up to 5%. I guess I could continue to use a blend like that, but now I am spooked, and I don't know if will use any biodiesel at all from this point forward. Someone asked, "why I wanted to run Biodiesel in a new car in the first place?", and the answer is as follows, and my responce is with reference to what I understand to be true of commercially manufactured biodiesel that meets Mercedes requirements: If I am not mistaken biodiesel, it is supposed to have greater lubricity which would result in less wear and a longer lasting engine. In addition.... a cleaner enginge......and quite honestly probably least important...the environment. But I do honestly have concerns with that, and I wold like to do my part, however small. |
#15
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Do your part and burn a B5 blend as MB suggests is acceptable.
As little as B2 provide lots of additional lubrication although it should not be needed as the engine was designed to run on ULSD. If you are still interested in the Bio question, join a European forum and read members exppiriences there. THey have had your engine for a couple of years now and so have more expirience with it.
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Terry Allison N. Calif. & Boca Chica, Panama 09' E320 Bluetec 77k (USA) 09' Hyundai Santa Fe Diesel 48k (S.A.) |
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