 She was commanded by "Ritterkreuz" recipient "Kapitänleutnant" Hans-Werner Kraus, who had previously successfully commanded and .After training with the 4th U-boat Flotilla at Stettin, "U-199" was transferred to the 12th U-boat Flotilla for front-line service from 1 May 1943.She was sunk off the Brazilian coast in 1943 by a combination of attacks by Brazilian and American aircraft.