In 1999–2000, Mamer was promoted to the second league, the Division of Honour, but was relegated immediately. In 2004–05, Mamer reached the Division of Honour again.
Mamer's team moved from one level to another within their league system during the specified periods. In 1999–2000, they advanced to the second league but were demoted immediately. In 2004–05, Mamer once again reached the second league.