Kiel, she entered Kaiserliche Werft Kiel for repairs. On 1 March 1903, she became the flagship of KAdm Gustav Schmidt, the deputy commander of I Squadron. That year, the squadron was occupied with the normal peacetime routine of individual and unit training, including a training cruise in the Baltic, followed by a voyage to Spain that lasted from 7 May to 10 June. In July, she embarked on the annual cruise to Norway with the rest of the squadron. The autumn maneuvers consisted of a blockade exercise in the North Sea, a cruise of the entire fleet first to Norwegian waters and then to Kiel in early September, and finally a mock attack on Kiel. The exercises concluded on 12 September. The year's training schedule concluded with a cruise into the eastern Baltic that started on 23 November and a cruise into the Skagerrak that began on 1 December. Wittelsbach and I Squadron participated in an exercise in the Skagerrak from 11 to 21 January 1904. Further squadron exercises followed from 8 to 17 March, and a major fleet exercise took place in the North Sea in May. In July, I Squadron and I Scouting Group visited Britain, including a stop at Plymouth on 10 July. The German fleet departed on 13 July, bound for the Netherlands; I Squadron anchored in Vlissingen the following day. There, the ships were visited by Queen Wilhelmina. I Squadron remained in Vlissingen until 20 July, when they departed for a cruise in the northern North Sea with the rest of the fleet. The squadron stopped in Molde, Norway, on 29 July, while the other units went to other ports. The fleet reassembled on 6 August and steamed back to Kiel, where it conducted a mock attack on the harbor on 12 August. During its cruise in the North Sea, the fleet experimented with wireless telegraphy on a large scale and searchlights at night for communication and recognition signals. Immediately after returning to Kiel, the fleet began preparations for the autumn maneuvers, which began on 29 August in the Baltic. The fleet moved to the North Sea on 3 September, where it took part in a major landing operation, after which the ships took the ground troops from IX Corps who had participated in the exercises to Altona for a parade for Wilhelm II. The ships then conducted their own parade for the Kaiser off