This 2009 Mercedes-Benz SL550 is one of 550 Silver Arrow Edition examples and is finished in Silver Arrow Metallic over red leather upholstery. It is powered by a 5.5-liter V8 paired with a seven-speed automatic transmission and equipped with a power-retractable hardtop, a panoramic glass roof, five-spoke 19″ AMG wheels, cross-drilled disc brakes,…