A motor vehicle control device, comprising: a microkernel; one or several building blocks for implementing dedicated, real-time capable automotive applications, wherein the one or several building blocks implement a first real-time capable operating system; one or several building blocks for implementing infotainment or multimedia applications; wherein the motor vehicle control device comprises a software for controlling a plurality of applications, wherein the software has the following layers: an application layer with the plurality of applications; a basic service layer with a first plurality of basic services and a second plurality of basic services, for carrying out the applications, wherein the first plurality of basic services is designed for carrying out the real-time capable automotive applications and the second plurality of basic services is designed for carrying out the infotainment or multimedia applications; an adaptation layer with at least one first runtime environment, which is assigned to the first plurality of basic services, and a second runtime environment, which is assigned to the second plurality of basic services; and an operating system layer with the microkernel; a building block, to which a guest operating system is assigned, wherein the guest operating system is integrated as a virtualized guest operating system by means of a hypervisor implemented by a building block into the motor vehicle control device, wherein the infotainment or multimedia applications use the guest operating system; and a common communication stack, via which the building blocks can communicate with one another by means of IPC mechanisms of the microkernel, wherein the microkernel comprises a scheduling mechanism, which is set up, in order to be synchronized to external or global times, in order to synchronize the first operating system to external or global times. a microkernel; one or several building blocks for implementing dedicated, real-time capable automotive applications, wherein the one or several building blocks implement a first real-time capable operating system; one or several building blocks for implementing infotainment or multimedia applications; wherein the motor vehicle control device comprises a software for controlling a plurality of applications, wherein the software has the following layers: an application layer with the plurality of applications; a basic service layer with a first plurality of basic services and an application layer with the plurality of applications; a basic service layer with a first plurality of basic services and a second plurality of basic services, for carrying out the applications, wherein the first plurality of basic services is designed for carrying out the real-time capable automotive applications and the second plurality of basic services is designed for carrying out the infotainment or multimedia applications; an adaptation layer with at least one first runtime environment, which is assigned to the first plurality of basic services, and a second runtime environment, which is assigned to the second plurality of basic services; and an operating system layer with the microkernel; an adaptation layer with at least one first runtime environment, which is assigned to the first plurality of basic services, and a second runtime environment, which is assigned to the second plurality of basic services; and an operating system layer with the microkernel; a building block, to which a guest operating system is assigned, wherein the guest operating system is integrated as a virtualized guest operating system by means of a hypervisor implemented by a building block into the motor vehicle control device, wherein the infotainment or multimedia applications use the guest operating system; and a common communication stack, via which the building blocks can communicate with one another by means of IPC mechanisms of the microkernel, wherein the microkernel comprises a scheduling mechanism, which is set up, in order to be synchronized to external or global times, in order to synchronize the first operating system to external or global times.