A lokacin da ta kaddamar da bikin, Prince Oskar na Prussia christened jirgin. Saboda da heightening siyasa tashin hankali a Turai a tsakiyar 1914, da karshe yi aiki da aka kara, don haka na farko sa na dockyardals aka gudanar a kan 15 Yuli, da kuma fitting-out aiki da aka kammala ta 30th, ranar da ta aka commissioned a cikin High Seas Fleet. Bayan commissioning ta, ta halarci teku gwaji a cikin Baltic. The jirgin ta farko yaƙi aiki ya kasance da Raid a kan Yarmouth a kan 2<unk>1914.
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