@salman
Are you sure, I thought the W221 S63 AMG & S65 both had a 6.3L Biturbo V12...at least in America?
@Biturbo
Dude, at least in the US, this shape S65 was out since 2002 or 3 I think. But certainly well before 2007. In 07, actually the new shape had already been released.