Mercedes-Benz USA : the limited-edition 2011 SL550 Night Edition. Based on the iconic SL-Class coupe/roadster, the highlight of the SL550 Night Edition is its matte-finish Designo Magno Night Black paint and Black premium leather interior. This new special model combines the advantages of a roadster with those of a coupe, and is thoroughbred sports cars and comfortable everyday cars.you do