An exterior rearview mirror assembly for vehicles has a plurality of modules, preferably including at least two selected from a housing, a mirror element, an actuator, a mirror support, and a light module. The mirror element is preferably supported on and adjustable by the actuator module. The mirror support supports the actuator within the housing. The actuator preferably has a least one electrical drive motor for adjusting the mirror element within the housing. The modules are preferably joined together by plug-type connectors.