The Mercedes-Benz CLK550 is available as a coupe or convertible and is rear-wheel drive. Both come with a seven-speed automatic transmission that can be shifted manually with buttons on the steering wheel. The CLK550 Coupe and Cabriolet get the new-generation V8 introduced in the big S-Class sedan. This dual-overhead-cam 5.5-liter engine generates 382 horsepower and 391 pound-feet of torque. Standard features include leather upholstery, dual-zone climate control, and rain-sensing windshield wipers. Black-stained ash wood trim is standard, and more traditional burl walnut is available as a no-charge option.For 2007, the Mercedes-Benz CLK-Class receives slight power increases.