The invention relates to a profiled strip arrangement (12) comprising a profile strip having a first connection area (14) for connecting to an edge region (16) of a windscreen (18) of a motor vehicleand a second connection area (22) for connecting to a vehicle component (20) adjacent to the windscreen (18), also comprising a detachable reinforcement strip (24) connected to the profile strip (12),said profile strip (24) having an insertion section (26) for inserting into and maintaining permanently in the second connection area (22) and a connection section (28) for connecting to the adjacentvehicle component (20). The invention also relates to a mounting assembly, a motor vehicle assembly and to a method for mounting a motor vehicle assembly.