The 2001 Mercedes-Benz SLK320 Designo package was an exclusive factory customization tier that added unique hand-crafted paint colors, special two-tone leather interior trims, and distinctive interior accents to the roadster Key Features of the Designo Package Exclusive Paint Colors: Includes rare custom shades like Designo Copper (Pearl Orange), Designo Yellow Gold, and Designo Electric Green. Special Interior Upholstery: Features two-tone premium leather seats, matching door panel inserts, and colored floor mat piping. Cabin Accents: Upgraded with specialized wood or metallic inlays, alongside custom steering wheel and shift lever treatments. Standard SLK320 Performance: Powered by a 3.2-liter V6 engine making 215 horsepower, paired with a 5-speed automatic or rare 6-speed manual transmission.