The wide U-shaped metal molding piece fills in the gap around the sides and under the grill. The molding is in furnished in black primer and is intended to be painted to match the body color of your van. Both items are original Mercedes Benz parts, from Germany, and are the identical units installed on Sprinter models in Europe and all other areas outside the USA and Canada.
Fits Dodge models as a bolt-on unit
Fits Freightliner only with your modification, due to the different shaped headlights