Technically, Mercy led a military force composed of his Bavarian army, supported by Imperial, Spanish, and Lorrainer troops.

His successor Rantzau who just had arrived with reinforcements from Lorraine was despised by officers who originated from the former German army of Bernard of Saxe-Weimar.

[1] At mid-afternoon on 24 November, Johann von Werth led 2,000 cavalry in the first assault group against Möhringen and achieved instant success, wiping out a French infantry regiment of 500 men, including Spanish prisoners of war.

The Weimarian cavalry in Mühlheim under Reinhold von Rosen attempted to reinforce the French at Tuttlingen but were intercepted and defeated by Mercy's brother Kaspar.

The captured guns were used to bombard the French infantry in Tuttlingen and Möhringen, who capitulated the next day along with their commander Rantzau without losing a single man killed.