"Rheinland" participated in nearly all of the fleet advances throughout the war. The first such operation was conducted primarily by the battlecruisers; the ships bombarded Scarborough, Hartlepool, and Whitby on 15–16 December 1914. During the operation, the German battle fleet of some 12 dreadnoughts and 8 pre-dreadnoughts, which was serving as distant support for the battlecruisers, came to within of an isolated squadron of six British battleships. However, skirmishes between the rival destroyer screens convinced the German commander, Admiral Friedrich von Ingenohl, that he was confronted with the entire Grand Fleet. He broke off the engagement and turned for home. A fleet sortie to the Dogger Bank took place on 24 April 1915. During the operation, the high-pressure cylinder of "Rheinland"s starboard engine failed. Repair work lasted until 23 May.