A display device for a vehicle includes a housing, a display screen, and at least one functional unit, including an operating element, each being a switch unit or a communication unit, adapted to be releasably coupled to the housing and includes an insertion portion and an operating element support portion supporting the respective operating element, and a first contact arrangement provided on the insertion portion and electrically coupled to the operating element. The housing includes at least one functional unit coupling arrangement, each adapted to be selectively and releasably coupled to at least one of the at least one functional unit and including a cavity inside the housing for receiving the insertion portion of the at least one functional unit, a second contact arrangement in the cavity, a retaining means, and an opening in an exterior wall of the housing communicating the cavity with the exterior of the housing.