There are exceptions to the "stop in each federal state required" rule as can be seen on this page: https://www.bahn.de/service/ueber-uns/zugtypen/ice_sprinter

There are exceptions to the "stop in each federal state required" rule as can be seen on this page: https://www.bahn.de/service/ueber-uns/zugtypen/ice_sprinter https://www.bahn.de/service/ueber-uns/zugtypen/ice_sprinter The article mentions the Berlin - Paris will only stop in Frankfurt.