Are you talking T5? I haven't seen one in a Mercedes. I have seen a 350 backed by a 700R4 in a 114, or rather I've seen pictures and a craigslist ad for an unfinished conversion.

__________________
Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.
99 Mazda Miata 183,xxx miles.