14/07/2008 02:58. Mercedes-Benz is launching an exclusive new model designed to perform equally well on public roads and on the race track. Based on a highly modified and lightened version of the company's revered SL roadster, the new SL65 AMG Black Series coupe features a carbon-fiber fixed roof, front fenders, hood, trunk lid and front and rear aprons. With all these super-strong, lightweight parts, plus the absence of retractable roof hardware, the car is more than 550 pounds lighter than the standard SL.

The already formidable 6.0-liter AMG V12 engine has been modified to produce more than 650 horsepower and a staggering 738 pound-feet of torque. Its twin turbochargers are 12 percent larger, passages for intake air and the turbo wastegates have been modified, and the intake air intercooler is 30... // Car and SUV