FILE PHOTO: German Social Democratic Party (SPD) leader Andrea Nahles delivers a statement in Berlin, Germany, October 29, 2018. REUTERS/Hannibal Hanschke

BERLIN (Reuters) - Merger talks between Deutsche Bank and its smaller rival Commerzbank are a private commercial decision, the leader of the German centre-left SPD party, Andrea Nahles, said on Monday.

(This story corrects centre-right to centre-left in first paragraph)