The invention relates to a system for vehicle body construction, comprising a central control unit (1) and at least two electrically operated actuation devices (2), which each have their own control unit (2.1) for controlling the movement of said actuation devices. According to the invention, the control unit (2.1) of one of the two actuation devices (2) is connected to the central control unit (1) via the control unit (2.1) of the other of the two actuation devices (2).