Increasing complexity and global competition are forcing product development to develop faster products that are marketable and innovative. Thereby, key issues are increasing product functionality and user-friendliness. The significant engineering contradiction is: How can user-friendliness of the products be optimized for the customer without adversely affecting the functionality of the product? This requires a systematic consideration of the interactions between the customer and the product as well as the effects and interactions of the functions within a product. TRIZ provides a variety of methods to analyze and solve problems, incl. resolving of engineering contradictions. In addition, an interdisciplinary and transparent model can be created with Model-Based Systems Engineering (MBSE) to improve product understanding.The scope of this research is to combine the potential of MBSE with TRIZ in order to generate an optimal approach regarding implementation and networking from TRIZ function models in to a MBSE overall model. Based on the MBSE overall model both usability and system functionality (especially harmful function) should be considered.