at least in the 208 clk and I believe the 210 E55, AMG did use a V-12 tranny in those cars to handle the extra torque

I can't speak to anything more recent

__________________
~shell
As of 2/2010:
2001 CLK55 0o\=*=/o0
13.6 @ 106mph
10K mi
1984 300SD
260K mi and going and going...
97 S600
46K miles
1991 Sentra SE-R (extremely dorked with)
www.se-r.net