Bad Mergentheim Hôtels avec piscine

"Overall alright but there are a few details that make me not recommend this place. There is a fee that has to be paid upon arrival which cannot be paid by card. That could be understandable but not even change do they have. I had to give my 20€ note. I received the comment "you should know that when you travel to another land you should have cash". That finished my patience because this is obviously not necessary in many countries of Europe. "