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Old 03-02-2015, 01:49 PM
Registered User
Join Date: Nov 2005
Location: Nashville, TN
Posts: 1,571
Tune E320 CDI for higher Mpg?

I pretty much get the sticker mpg in my 2006 E320 cdi -- 37 higway and 29 city. I could push 40 mpg on highway if i set the cruise at 65 i bet. Anyway, i'd like to tune it for higher mpg and egr limitation.

Anyone have any recommendations or experience with this? I didn't see any in the search. It would be nice to be able to switch maps and experiment with various tunes.

What Would Rudolph Do?
1975 300D, 1975 240D, 1985 300SD, 1997 300D, 2005 E320 , 2006 Toyota Prius
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Old 03-06-2015, 12:30 PM
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Join Date: Aug 2009
Location: MN
Posts: 1,184
Green Diesel Engineering - Jeep Performance ECU Chip Tuner

I got their tune for my ML. Very happy.
2012 S350 BlueTEC 4Matic
2007 ML 320 CDI
2007 Leisure Travel Serenity
2006 Sprinter 432k
2005 E320 CDI
1998 SLK230 (teal)
1998 SLK230 (silver)
1996 E300D 99k, 30k on WVO
1983 240D, on WVO
1982 300D, on WVO
1983 300CD, on WVO
1986 300SDL 237k, 25k on WVO (Deerslayer)
1991 350SDL 249k, 56k on WVO - Retired to a car spa in Phoenix
1983 380 SEC w/603 diesel, 8k on WVO
1996 E300D 351k, 177k on WVO

2007 ML320 CDI .. / 2005 E320 CDI .../ 1998 SLK 230 .../ 1991 Daihatsu Rocky
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Old 03-06-2015, 12:40 PM
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Join Date: May 2000
Location: Soperton, Ga. USA
Posts: 12,242
Thanks for the link.
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Old 03-08-2015, 01:40 PM
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Join Date: Jul 2004
Posts: 7,334
The Green diesel automatically closes the EGR. They claim 3-5% better fuel economy and 30 more HP. The tune can be done at home if you have a computer. I've been in contact with them extensively about this. The om648 tune is $700. Not sure about other engine models. Other tuners have a variety of tunes- higher MPG, higher power or a mix.
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