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Ollie Kew,
01 February 2013 09:10
Mercedes has squeezed another 50bhp out of the C63 AMG, creating the 500bhp 'Edition 507' range. The power bump comes courtesy of forged pistons new connecting rods and a lightweight crankshaft inherited from the £160,000 SLS AMG supercar. Why is this special C63 AMG called the 'Edition 507'? Thanks to those exotic engine internals the motor develops 507PS, or 500bhp in ...