Originally Posted by Roncallo

OK I forgot what forum I'm in. For all purposes of discussion this vehicle is a 1996 SL600 with an 1986 560SL rear.

What it really is is a 1986 560SL with the entire power train and electronics from an SL600 with the exception of the rear end. I was told that I would have to code the rear end ratio into the EGS.

http://www.peachparts.com/shopforum/showthread.php?t=178997

I only brought the question up in this forum since the basic idea of coding activation and adapting is not a performance issue.