a control device,

an energy storage device, and

a plurality of components operable via the energy storage device, the plurality of components comprising at least two of: a traction electric motor, a DC charging device, an AC charging device, at DC voltage converter, a heater, an air conditioner, a chassis device, and an exhaust gas treatment device,

wherein the high-voltage system is divided into a plurality of sub-networks, each sub-network comprising at least one of the plurality of components and an EMC filter device specific to the at least one of the plurality of components, both of which are connected to the energy storage device via at least one switching element distinct to the sub-network, such that each of the plurality of sub-networks can be individually connected to and disconnected from the energy storage device,

wherein each of the plurality of sub-networks are assigned to at least one of a plurality of operating states of the motor vehicle, and

wherein the control device is configured to control a switching state of the at least one switching element of each of the plurality of sub-networks based on a present operating state of the motor vehicle, such that those of the plurality of sub-networks with an assignment corresponding to the present operating state are connected to the energy storage device and those of the plurality of sub-networks with an assignment that does not correspond to the present operating state are disconnected from the energy storage device.