For both Mercedes and race car enthusiasts, here is your chance at a barely used 1999 Mercedes CLK GTR Roadster. Originally built from 1998 through 1999, this road going CLK GTR was produced to satisfy homologation standards for the CLK GTR racing in the FIA GT Championship Series. Let’s make one thing nice and clear; of the 35 originally built, exactly 6 were roadsters. So, yes this is very rare with a whopping 4 miles on it. Power is plentiful and comes courtesy of a modified 6.9l V-12 with 604 horsepower that will get you to 199 mph without much issue. At about $1.5m the CLK GTR was the most expensive production vehicle at the time so when this rarity hits the Goodwood Festival of Speed at Bonhams’ next month, expect it to fetch between $2.1m and $2.8m.