The 1994 Mercedes Cup, was a men's tennis tournament played on outdoor clay courts and held at the Tennis Club Weissenhof in Stuttgart, Germany that was part of the Championship Series of the 1994 ATP Tour. It was the 17th edition of the tournament was held from 18 July until 25 July 1994. Fourth-seeded Alberto Berasategui won the singles title.
See main article: 1994 Mercedes Cup – Singles. 
Alberto Berasategui defeated 
Andrea Gaudenzi, 7–5, 6–3, 7–6(7–5)
See main article: 1994 Mercedes Cup – Doubles. 
Scott Melville / Piet Norval defeated Jacco Eltingh / Paul Haarhuis, 7–6, 7–5