I saw a clk 63 amg black series, what does black series mean? and is their other colors?
I saw video here and saw it in person
http://www.carversation.com/2007/11/2008-mercedes-benz-clk63-amg-black.html
Answer
The black series has more power, firmer suspension and other performance mods. it is
the badass of the amgs. other colors are available but you will probably need to be on a waiting list for a long time to get one.