These Duraflex W - 1 fender flares are perfect for car enthusiasts who own a 1998 - 2001 Mercedes ML Class W163. Whether you're driving on city streets or taking your car out for an off - road adventure, these flares add an extra touch of style and protection. The flares are made of FRP material, which is lightweight yet strong. They come in a 4 - piece set, specifically designed to fit your Mercedes ML. Professional installation is recommended to ensure a perfect fit.