Mobile robot unit for a motor vehicle and motor vehicle with a mobile robot unit

A mobile robot unit (10) for a motor vehicle (1) comprises a means (11), a drive (17), an energy storage unit (19) and a control device (13) for controlling the robot unit (10) and a communication interface (15), the signaling purposes to the control device (13) is coupled. The mobile robot unit (10) further comprises an actuating means (12, 15) and a sensor (14, 16, 22), each coupled for signaling purposes to the control device (13). By means of the control device (13) is the actuating means (12, 15) as a function of a measurement signal of the sensor (14, 16, 22) can be controlled to perform a predetermined function, wherein the robot unit (10) is designed as a motor vehicle function assistant further to with a communication interface by means of the communication interface (15) (5) of the motor vehicle (1) and / or an external server unit (7) to communicate.