At the end of 1812, together with other Lithuanian units, this regiment covered the Grande Armée's retreat and joined the X Corps. In December 1812 , the 17th Uhlan Regiment retreated through Tauragė to Königsberg. On 19 January 1813, the regiment had 829 uhlans and was stationing in Elbing. Later it was moved to Wielkopolska and was stationing in Skiwerzyna and Międzychód, when it joined the remnants of the French army commanded by the Viceroy Eugène de Beauharnais. On February 4, it fought near Brandenburg. On February 11 or 12, the 17th Uhlan regiment fought together with the 19th Lithuanian Uhlan Regiment near Sieraków. There it was surprised and defeated by General Chernyshev's Russian vanguard. The general Prince Romualdas Giedraitis, who commanded both Uhlan regiments, was taken prisoner. He was wounded during his capture. During the battle, the regiment lost 147 out of 585 men it had before.
