A strip assembly includes a profiled plastic strip having a latching recess configured to receive a mounting rib of an air inlet panel, and a single-piece protective plastic strip which is mechanically releasably latched in the latching recess at least in some sections along the profiled plastic strip. The strip assembly includes a first and a second strip section. The profiled plastic strip is configured such that the profiled plastic strip extends only along the first strip section. The protective plastic strip is configured such that it extends along both the first and the second strip section.