Motor vehicle having a screen wiper for its rear window and a supplementary rear stop light

A motor vehicle having a body, said body including a rear window, a screen wiping apparatus for wiping the rear window, means for mounting the screen wiping apparatus to said vehicle body, and a rear light within the vehicle in facing relationship with a portion of the rear window, the screen wiping apparatus including a screen wiper drive motor unit within the vehicle, said drive motor unit having an output spindle and a bearing in which said output spindle is moveably mounted, the vehicle body having a through hole for receiving said bearing therethrough, said bearing having a threaded portion extending outside of the vehicle, said mounting means for the screen wiping apparatus comprising:

• a shouldered mounting bush fitted in said through hole and surrounding said bearing, and a fastening nut secured on said threaded portion of the bearing so as to secure the screen wiping apparatus to the vehicle body, wherein the rear light comprises a lighting unit support member carried by the screen wiping apparatus, and a lighting unit carried by the support member, and wherein said bearing includes a plurality of external longitudinal ribs spaced apart circumferentially and said shouldered mounting bush includes an axial projection which lies between consecutive ones of said ribs for angularly indexing said shouldered mounting bush with respect to said screen wiping apparatus.