Not many of these about - this was reported on a USA list I frequent, so I thought that Topklasse uses may find it interesting too.
Quote: "Regarding V-12 MBs, there is a guy in NY who has installed a V12 M120 engine plus transmission into a 560SL - I think he said it has 389HP!. An amazing accomplishment considering all the electronics that had to be adapted."
http://www.peachparts.com/shopforum/attachment.php?attachmentid=41046&d=1171171060
Quote: "Regarding V-12 MBs, there is a guy in NY who has installed a V12 M120 engine plus transmission into a 560SL - I think he said it has 389HP!. An amazing accomplishment considering all the electronics that had to be adapted."
http://www.peachparts.com/shopforum/attachment.php?attachmentid=41046&d=1171171060