Mercedes Benz C Class w203 2001-2007 Rear Roof Spoiler (818R) The new 818 design sits flat and shows straighter edges, measuring at 2 3/8" wide and 7/8' high. includes self adhesive tape for easy installation. Spoiler is UNPAINTED with a flat black finish. Painting will require flex paint to be used. All spoilers are aftermarket and manufactured in the USA.