눉Parking is almost guaranteed full at around 6pm, so you have to
Something that is not the fault of the hotel, but still important for travellers: No decent restaurant outside of the hotel in walking distance. (When I speak of decent, I dont mean exquisite, i refer to a pizzeria, german style food, chinese or other asian). There's only an "industrial style" chinese restaurant, which has pretty bad reviews on restaurant sites, so I didnt even dare, not having had good experiences with chinese restaurants in Germany.
If you're a fast food lover though, there's a Burger Kind and Mac Donalds just next to the hotel. I did not try the hotel's restaurant.
눇Ease of access, and significant price drop compared to (some) hotels in
Frankfurt center. 10Min drive from Mainz center. Decent breakfast table,
as you usually find them in Germany.