That still looks like a Benz connector.

Read this thread. About 5/8 down the first post is an image of a controller and connector:
http://mbworld.org/forums/cl-class-w...l500-w215.html



If that looks like the correct connector, this application list might give you potential donor cars:
http://www.carpartsdiscount.com/radi...tml?3593=54975

I'll let you look at these for a bit. If it seems like the right track I'll see if I can locate some part numbers for a new connector.