Brabus has been making high-horsepower Mercedes vehicles for years. It offers upgrades for an assortment of makes and models, and it has one for the 2015 AMG C63, which has put its performance ...

Brabus has raised power in the Mercedes-AMG C63 S up to an impressive 591 bhp via its new PowerXtra B40 kit. The extra 88 bhp comes from an engine remap that adjusts injection and ignition as ...

This one’s a personal favourite. Because it’s not just a W204 C63 AMG - oh no. This is a Dyno Rated 520 version of the W204 ...

because it was essentially given a Brabus upgrade (though still with Mercedes warranty) to be the most powerful C63 sold in a showroom until that point. And ever, as it turns out: 520hp just ...