How many horsepower does the engine in 2004 Mercedes-Benz SL-Class have?

I need more information to answer your question accurately. The 2004 Mercedes-Benz SL-Class came in several different models, each with its own engine and horsepower rating.

To tell you the horsepower, please tell me the specific model of the SL-Class you're interested in. For example:

* SL 350: This model had a 3.7L V6 engine with 268 horsepower.

* SL 500: This model had a 5.0L V8 engine with 302 horsepower.

* SL 55 AMG: This model had a 5.5L supercharged V8 engine with 469 horsepower.

Once you provide the specific model, I can tell you the horsepower.