Unable to answer "Who is allowed to park here? Parking may be free or paid." – Parking Lot – https://osm.org/way/122841592 via StreetComplete 59.3:

südlicher Streifen nur Busse
nördlicher Streifen PKW
keine Wohnmobile

Attached photo(s):
https://westnordost.de/p/252102.jpg
https://westnordost.de/p/252103.jpg