If the SLR 722 wasn't exclusive enough for you, Mercedes is bringing the new SLR McLaren Roadster 722 S, an open-top model that delivers 650 hp, accelerates from 0 to 60 mph in 3.7 seconds and has a top speed from 208 mph.

The new SLR McLaren Roadster 722 S features even more dynamic suspension tuning and improved aerodynamics. It is recalling the historic victory won at the classic Mille Miglia long-distance race in 1955 by British motor-racing legend Stirling Moss and his co-driver Dennis Jenkinson, in a Mercedes-Benz 300 SLR with the starting number 722.

Under the hood of the new 722 S there is the same supercharged 5.5-liter V8 engine that is found in the standard SLR roadster. The 722's engine is reworked to make 650 hp -- a 26 hp bump over the standard SLR roadster.

The 722 S will be limited to only 150 units and will be available by January 1, 2009.

Press release after the jump.

2009 Mercedes SLR McLaren Roadster 722 S

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  • Model: 2009 Mercedes SLR McLaren Roadster 722 S
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