2009 Mercedes-Benz SLR McLaren Roadster 722 S - Car and Driver
It is one of the beauties of high-dollar, high-performance cars—and the companies that produce them—that even minimal changes are greeted with exceeding interest by the car-loving public. Case in point: Intelligently timed updates have kept us writing happily from the launch of the Vision SLR concept at the Detroit auto show in January 1999 and the series production market launch in May 2004 to this current iteration, an SLR... Last year, Mercedes offered a more powerful, weight-optimized 722 Edition of the gullwing-door SLR coupe, limited to 150 units. A full 97 pounds lighter and 641hp strong, up from 617hp, it specifically appealed to collectors but also offered performance benefits. The Roadster 722 S gets the same power-enhanced engine that was offered in last year's 722 Edition—a heavily modified variation of the supercharged 5. 4-liter, three-valve V-8 that has been phased out in every other AMG model except for the... Torque is up from 575 lb-ft in the regular SLR to 605 lb-ft in the 722 S. All that power and force is channeled to the rear wheels through Mercedes-Benz’s own five-speed automatic transmission that can be manipulated with a switch to perform... 0 to 62 mph comes in a claimed 3. 7 seconds, down 0. 1 from the regular SLR roadster, and reported top speed is up 2 to 208 mph. Source: www.caranddriver.com
