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Wagons Mercedes-Benz R-Class Mercedes-Benz R-Class
693 messages, Last post on Jan 19, 2008 at 9:07 AM
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Replying to: elias (Jan 04, 2007 8:00 am)
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Replying to: wopel (Jan 04, 2007 2:28 pm) All this is one reason that I bought CDI which can use either type of diesel. Reason that Bluetec cannot use old diesel is because it will not meet the new emmision regs and may also damage the Bluetec filtering system itself. Aside from all that it will probably work----at least for a while. I use Shell. |
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Replying to: wopel (Jan 04, 2007 2:28 pm) Generally, stations will only put out the ULSD emblems once they are certain their co-mingled fuel is at or close to 15 PPM. All refineries in the US are actually making all new ULSD at 8 PPM because they know the co-mingled fuel will pick-up old sulfur contaminants. ULSD is also being imported in addition to being refined in the USA since Canada started their conversion somewhat sooner and ULSD has been refined for Europe and elsewhere for sometime now. The one observation you received from a station sounds about right in that they have to go through at least 3 refills of their tanks (if not 5 or more) before enough of the old 500 PPM fuel is flushed as it is co-mingled with the new 8 PPM fuel. I believe that most high volume retailers are going to have to be producing the ULSD by January 2008 and it therefore will be available in most of the US the way it is in California right now. However, the US Energy Department and EPA actually are allowing that "up to 5 percent of the market could delay making the transition to ULSD until 2010". The good news is that in population centers and on major roadways the availability should be quickly getting better as stations continue to get better. The misconception arises with the significant difference between what can legally be refined versus what is available in retail outlets. Where as about 90% or more of the diesel being currently refined and imported is ULSD, the gas station that sells very little diesel fuel could take a year or even more to adequately flush out their old diesel. This is why the process is so slow at some stations. I also believe that many small ownership stations will wait to put out their ULSD emblems until they are absolutely convinced they have had adequate time for the natural flushing. BTY, the MB R-Class and ML are not Bluetec diesels only the E-Class is currently. Since the R-Class and ML are classified as trucks for fuel economy ratings they do not have to employ the Bluetec engines for emission purposes until 2010.
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Replying to: wopel (Jan 04, 2007 2:28 pm) I know you must love the mileage of your new R-Class diesel but I am really curious about the adequacy of the power given its weight. Does the diesel engine really have the power to smartly move the R? And what about when it is really loaded with passengers and/or cargo? I guess I am skeptical given the size of the R-Class. J
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Replying to: jamesfletcher2 (Feb 22, 2007 7:12 pm) I sweated it out with the ULSD fuel. Some stations had no idea what I was even asking for. I filled up at every possible chance, and usually didn't need too much, but the fear of not finding it was quite high! Now that the cargo top is off and the stuff out of the car I'm getting about 23.5 +/- mpg. Not bad for it's size. I still have no idea where the front of the car is! I'm getting to love the nav system. There's still a lot to get used to. I've been driving in the comfort mode and it ain't bad! |
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Replying to: jamesfletcher2 (Feb 22, 2007 6:59 pm) The only answer I have received so far, is that they are the SAME (although HP specs are different?). I've been told that the NAME "Bluetec" is only a marketing device which is applied to the E-class alone. In Europe it means the use of the urea additive. That urea additive (adblue?) will supposedly be used on future E-class models in the US to make them viable in all states. So, I don't actually KNOW the difference between CDI and Bluetec but have been told repeatedly that they are the same.... FWIW.
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Replying to: awjenni1 (Feb 24, 2007 7:11 am) http://www.mbusa.com/tracking/whatsnew/redirect.jsp?redirectUrl=/locator/jsp/ind- ex.jsp?locatorversion=ulsd |
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Replying to: awjenni1 (Feb 24, 2007 7:11 am) |
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Replying to: jamesfletcher2 (Feb 22, 2007 7:12 pm)
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Replying to: ak_r320cdi (May 08, 2007 5:54 pm) |
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