For their latest C63 AMG, Mercedes borrows the lightweight crankshaft and forged pistons from its supercar sibling, the SLS, to create their craziest C63 yet, the Edition 507. The new C63 Edition 507 gets a 56 hp boost for a total of 507 hp (hence the name) and 450 lb-ft of torque. That will get you from 0-60 in 4.1 seconds and will have you hitting a top speed of 174 mph. Edition 507 will hit showrooms this summer alongside the standard 2014 C63 coupe. Mercedes