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Abstract:Changing conditions in the automotive industry mean that assembly Unes have to be built faster and at an increasingly early stage of the product development process. Since the required efficiency improvements could not be achieved with conventional planning processes, organisational structures and software systems, DaimlerChrysler AG introduced the Digital Factory strategic project in mid-2000. At the centre of this project is the complete and integrated digitisation of all areas of production planning. The following article describes the digitisation process -from the selection and introduction of suitable software and IT infrastructure, through the development of methods for efficient planning, to the changing and restructuring of the production planning process and the organisation.Key words: Digital factory. Production planning process. Digital production planning CHANGING CONDITIONS IN THE AUTOMOTIVE INDUSTRYIn order to maintain and enhance its leading position in an increasingly competitive market, DaimlerChrysler AG launched a wide-ranging model offensive several years ago . In addition to developing new variants of existing models and vehicle types, a key component of this strategy was the introduction of entirely new vehicle concepts. Alongside this model offensive, DaimlerChrysler initiated a range of measures to significantly reduce product development times. For example, the introduction of CAD systems and the associated shift to computer-aided 3D model-