The 35-year-old, whose contract was set to expire in the summer, said in a post on social media the decision was made by the club and "not what I would have wished".
Thomas Mueller scored twice in three first-half minutes as Bayern Munich beat second-division Ulm 4-0 in the German Cup on Friday in their first match under coach Vincent Kompany.
"After 131 national team games and 45 goals, I am saying goodbye," Mueller said in a video statement announcing his decision.
With two wins out of two against top-class opposition, Euro 2024 hosts Germany look to have found the right balance under coach Julian Nagelsmann with the tournament on the horizon.
"What do I think we were missing? In training we show what we can do much better because we are courageous, because we play football freely," Mueller said.
Serge Gnabry and Kingsley Coman scored late to snare all three points for the Bavarians, who are now one point clear of Borussia Dortmund with four matches to go
Bayern Munich and Germany forward Thomas Mueller has shot down rumours of a pending international retirement, saying on Monday he will "always be available" for selection.
After winning the rights to host the 2022 FIFA World Cup in 2010, it quickly became clear that Qatar would have to pull a rabbit out of its hat to successfully stage football’s showpiece event. The largest concern at the time was whether players could even perform in the searing summer as the Mi
Holders Bayern Munich reach the third round of the German Cup with a 3-1 win over Augsburg while second-division Union Berlin take injury-hit Borussia Dortmund to penalties.
Atletico Madrid forward Antoine Griezmann's 54th-minute strike ousts Bayern Munich from the UEFA Champions League as the Spanish side go through to the final on away goals.
The Germany international scored in each half as the Bundesliga leaders beat Werder Bremen 2-0 in DFB Pokal semifinal on Tuesday.
Thomas Mueller scored in the 30th minute and then again off a penalty in the 71st minute to seal a spot in the German Cup final and also keep Bayern Munich's bid for a treble of titles this season alive.
