A seat rail assembly for fastening a seat assembly in a vehicle and a method for making such a seat rail assembly are described. The seat rail assembly includes a seat rail configured to fasten the seat assembly, the seat rail including a metal material. A fastening profile element of the seat rail assembly is configured to receive the seat rail, the fastening profile element being formed of a plastic material. The fastening profile element forms a receiving region, which is configured to receive the seat rail, and the seat rail includes a seat rail crown which is arranged in the receiving region of the fastening profile element such that a wall portion of the fastening profile element at least partly extends around the seat rail crown. The seat rail assembly may be used in an aircraft.