The C63 AMG 507 Edition ran from 2013 and had an increase in power to 507 PS(373 kW; 500 hp) at 6,800 rpm. Torque was 610 N.m(450 lb.ft) when at 5,200 rpm(credit to Wiki). If you've ever driven any C63 AMG you'd probably realize that this extra power is totally un-necessary and extremely excessive, however, that is exactly what this car is all about, excess. It also explains why we seem many of them that have paint re-sprays around the rear quarter panels. It has a black series bonnet, different AMG wheels, some different AMG sports cosmetic parts, better brakes, designo paint, a choice of about 3 different interiors(“porcelain Desingo” of black leather with various Alcantara bits), all for about double the price of a normal C 63 AMG(at today’s Japan auction market prices).