The guide to vehicle electrification. How can today's automotive engineer be well-prepared for the increasing electrification in their field? What questions arise regarding modern passenger cars and commercial vehicles? This textbook provides, in addition to an introduction to the fundamentals of vehicle mechatronics, answers concerning the energy flows in the various voltage levels of modern onboard networks and the complex drive systems. A wide range of drive components for product solutions and powerful engineering tools for design are presented here in a clear and concise manner. Exercises and various examples complement the acquired knowledge.