An exterior rear view mirror, for a motor vehicle, with an exterior rear view mirror housing formed in at least two parts, which comprises an opening for a mirror glass, and houses at least one base bracket, on which the mirror glass is adjustably arranged. The exterior rear view mirror housing consists at least of a first housing part and a second housing part, which are connected to both each other as well as to the base bracket, in each case. Locking connections are provided at least between the first housing part and the second housing part, as well as between the housing parts and the base bracket, in each case.