 Lützow was named after Ludwig Adolf Wilhelm von Lützow , a Prussian lieutenant @-@ general who fought during the Napoleonic Wars . The ship was commissioned on 8 August 1915 , and then underwent trials . On 25 October , while still running sea trials , Lützow 's port low pressure turbine were severely damaged . She was sent to Kiel for repairs , which lasted until late January 1916 . The ship went on additional trials that lasted until 19 February . Lützow was by then fully operational , and assigned to the I Scouting Group on 20 March 1916 . She took part in two fleet advances , on 25 March and 21 – 22 April , without any major incidents . The following day , on 23 April , Lützow , along with her sister Derfflinger and the battlecruisers Seydlitz , Moltke , and Von der <unk> , bombarded Yarmouth . While en route to the target , Vice Admiral Franz von Hipper 's flagship Seydlitz was heavily damaged by mines . As a result , Lützow was transferred to the role of squadron flagship . During the operation , the German battlecruisers encountered British light forces , and a running battle ensued . Lützow engaged the light cruiser HMS Conquest and hit her several times . 
