IMO there's no way the Sheraton CDG should be on this list. One would never, in a million years, stay there for a weekend or "just because".
I would add the Westin Munich and may go for a long weekend trip to the Christmas Markets. Their service was great, lounge is one of the best I've ever experienced and you can basically eat there all day if you're not a European-style eater who likes huge meals. The location is great with easy access to the underground right across the street and just a short ride to major places like Marienplatz.
And from Munich it's easy access to Bavaria and things like the Neuschwanstein Castle that you can do for the day.