SPD extraordinary party conventionAndrea Nahles ( L ) , parliamentary group leader of the Social Democratic Party ( SPD ) , and Martin Schulz ( R ) , leader of the Social Democratic Party ( SPD ) , react during a voting at the extraordinary federal party convention of the German Social Democratic Party ( SPD ) in Bonn , Germany , 21 January 2018 . Some 600 delegates and 45 board members of the SPD will discuss and decide whether or not to start coalition negotiations with the conservative Christian Democratic Union ( CDU ) and Christian Social Union ( CSU ) parties to form another so - called ' Grand Coalition ' ( Grosse Koalition , or GroKo ) government on the basis of the recent on the basis of the exploratory talks . It is expected that SPD leader Martin Schulz will face some criticism from the party ' s basis and demands to amend the SPD ' s catalogue of requirements . EPA / SASCHA STEINBACH ▶ 기사 제보 및 문의 ▶ 기자 와 1 : 1 채팅    ▶ 평창동 계 올림픽 영상 공모전