New dishwashers have an inherent odor from the manufacturing process. These odors are in no way unsafe or harmful.
It will fade by itself after a few wash processes. You could also use the Miele Freshener as a wash cabinet deodorant.
For thorough and gentle cleaning of glasses, dishware, and cutlery, Miele recommends using Miele products which care for your dishwasher at the same time.
