The Mercedes 450 L Roof Box and Bars is a sleek and durable accessory designed specifically for Mercedes-Benz vehicles. Made by the trusted brand Mercedes-Benz, this cross bar is perfect for securely attaching additional cargo such as bikes, kayaks, or luggage to the roof of your vehicle. The photos include the part number of the bars which you can google to see if they fit your car. The bars attach to rails.
eBay