… customer requirements were analyzed and tracked systematically?
… the interdisciplinary development teams worked together on the basis of a common understanding of the product and in a coordinated manner?
… decisions were documented in a traceable form?
… problems in the product (e.g. at the interfaces) could be detected early?
… solutions could be systematically reused for other products?
… early verification could be carried out systematically?
… analyses such as FMEA could be carried out systematically based on the development deliverables?