It includes Black Edition parts like a front bumper with lip spoiler, side skirts, rear bumper and integrated diffuser, front and rear fenders and widenings, lightweight hood, mesh grille inserts and a rear trunk spoiler. Rotiform, located near Long Beach, California, has added their expertise in the form of a set of 3-piece aluminum SNA wheels. Available in sizes ranging from 18- to 24-inches, the new wheels start pricing at a hefty $1,250 per wheel. Prior Design's widebody aero kit for the Mercedes-Benz CL Coupe Black Edition prices at €12,900. According to today's conversion rate that equates to about $16,000. For the complete conversion seen in these photos, you can expect to pay over $21,000. Is it worth it?