SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: e85

Old Nov 16, 2012 | 12:52 PM
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gabec007's Avatar
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CL 600
e85

I was thinking of getting either the s600 or s65. Has anyone heard of these cars running e85? I've converted my current car to run on e85 by changing out the fuel pump and injectors, but I'm not sure the technicalities of these cars. I know I can't just put it in the tank and drive it, bust assuming I got it tuned for e85, what else would I need to change out? Can the stock fuel pump handle the ethanol?
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Old Nov 16, 2012 | 04:51 PM
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2003 S600 (11.4 @ 121 MPH), 2005 SL65 (10.72 @ 129 MPH)
Originally Posted by gabec007
I was thinking of getting either the s600 or s65. Has anyone heard of these cars running e85? I've converted my current car to run on e85 by changing out the fuel pump and injectors, but I'm not sure the technicalities of these cars. I know I can't just put it in the tank and drive it, bust assuming I got it tuned for e85, what else would I need to change out? Can the stock fuel pump handle the ethanol?

Don't put your S on E85. You'll confuse a lot of people. Look at the badge on the trunk of my S600. He he.

But, seriously though, I've been on E85 for about a year now and the car runs perfect. The stock fuel pump is fine on bigger injectors as monitored on the wideband. Fuel trims have been the same since day one of the conversion too. So far so good. Everything has been maintenance free as though I'm on pump gas. Except there is gobs and gobs more power. Do it!
Attached Thumbnails e85-se85.jpg  
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Old Nov 16, 2012 | 05:03 PM
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Thanks for the info and awesom badge...what injectors did you use? And who did your tune for the e85?
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