If you are looking for a traditional shelving system for your 2022 Mercedes Sprinter 1500 with a 144-inch wheelbase, I recommend the Rack'Em Side Wall Adjustable Shelf Supports for Enclosed Cargo Trailers # RA-13. The bases of the support prep your van for a fully adjustable shelving system. The # RA-13 includes all necessary parts for 2 shelves: 4 pre-drilled brackets and 8 wood beam sockets. The 2x4 lumber that serves as the surface of the shelves are not included.
For the mats, the... view full answer...