Louis Ferdinand participated in the French Revolutionary Wars, fighting in the War of the First Coalition in 1792 to 1794 near Longwy and Verdun, took part in the Valmy cannonade and was wounded during the Siege of Mainz. Newly promoted to major general, he took part in the Battle of Kaiserslautern in November 1793. On 23 February 1795 Louis Ferdinand was appointed chief of the “von Baden” infantry regiment. From the end of May 1796, he served as a brigadier to the corps of his nephew, which was intended to cover the demarcation line in Westphalia. On the occasion of the military review at Petershagen, Louis Ferdinand was promoted to lieutenant general on 2 June 1799, with a patent from 20 May 1799.