These Duraflex W - 1 side skirt rocker panels are perfect for car enthusiasts who want to upgrade the look of their 2003 - 2009 Mercedes E Class 4DR. Whether you're driving around the city or hitting the highway, these panels will make your car stand out. They come in a 2 - piece set and are made of FRP material. Although specific size and weight details aren't provided, you can expect a well - crafted product that fits your car perfectly. Professional installation is a must to ensure the best results.