Dubbed the "63" it will debued in the M-class and trickle down the model range. The new V8 is lighter and more compact than the old N/A version 5.4L AMG V8. It will be coupled to a faster shifting 7-speed auto, there are rumors floating around that there is also a DSG-type 7-speed in developement.
Displacement: 6208 cc
Bore/stroke: 102.2/94.6 mm
Compression ratio: 11.3 : 1
Output: 375 kW/510 hp at 6800 rpm
Max. torque: 630 Nm at 5200 rpm
Redline: 7200 rpm
Dry Weight: 199kg
Edmunds video review: http://www.edmunds.com/insideline/do...ticleId=106510
7 page article on the new engine and some new technology it incorparated: http://www.germancarfans.com/news.cf...id/2050713.001