Sometimes the hottest looking cars filled with the best gadgets do not measure up to the cars of history. The 1955 Mercedes-Benz W196 Silberpfeil is one car which is still unmatched in the coolness factor. Better known as the Mercedes Benz Silver Arrow the car was originally painted racing white until the fateful day of the Nurgburgring Race.more coolest rides here: best gifts for men.