To develop the supercar we're here to celebrate, Mercedes took inspiration ... and this new eight-cylinder, the CLK set its sights on the 24 Hours of Le Mans and was renamed CLK LM accordingly.

Mercedes' challenger was called the CLK GTR, with the road-going version called ... the venue that hosted the storied 24 Hours of Le Mans, the brand got to work on an upgraded version called ...

Innovative or straight up quirky, these five fascinating road and track Mercedes-Benz models might be different, but they're all extremely rare ...