The 2004 Mercedes-Benz SL-Class is part of the car model's fifth generation. This luxury roadster, offered in a retractable hardtop convertible style, is available in two trims: the SL500 and the performance-oriented SL600. The SL500 comes with a 5.0-liter V8 engine delivering 302 horsepower, mated to a seven-speed automatic transmission. The SL600, on the other hand, possesses a more powerful, twin-turbo 5.5-liter V12 engine, outputting 493 horsepower with a five-speed automatic. Both trims are rear-wheel drive. This model features high-end amenities such as an in-dash navigation system, a Bose audio system, and a variety of safety features including stability control, anti-lock brakes, and front and side airbags. The 2004 SL-Class beautifully merges performance, luxury, and technology, providing an enjoyable drive experience.