The 3rd version of the Prior Design Widebody kit for the W221 S-Class features a front bumper, greatly widened fender flares, side skirts, widened rear fender flares, rear bumper with diffuser, a rear trunk spoiler, and mesh grille inserts.

All parts are manufactured from a high quality fiberglass-duraflex mix. Prior Design noteds the material has a good surface finish for easy painting, as well as the right combination of flexibility and stability. They also claim that everything is made to fit, with no modifications needed for straight installation.