Awards
- Wehrmacht Long Service Award 4th Class (2 October 1936)
- Olympic Games Decoration 2nd Class (21 December 1936)
- Wehrmacht Long Service Award 3rd Class (2 October 1936)
- Spanish Cross in Bronze (20 April 1938)
- Sudetenland Medal (20 December 1939)
- Iron Cross (1939)
- 2nd Class (2 October 1939)
- 1st Class (31 December 1941)
- U-boat War Badge (1939) (2 August 1941)
- with Diamonds (30 January 1943)
- High Seas Fleet Badge (9 October 1942)
- Knight's Cross with Oak Leaves
- Knight's Cross on 13 June 1942 as Korvettenkapitän and commander of U-68
- 147th Oak Leaves on 16 November 1942 as Korvettenkapitän and commander of U-68
- War Merit Cross 1st Class with Swords
- 2nd Class (30 January 1944)
- 1st Class (29 October 1944)
- Mentioned in the Wehrmachtbericht on 8 April 1942
Read more about this topic: Karl-Friedrich Merten