The 2000 Mercedes Cup was a men's tennis tournament played on outdoor clay courts at the Tennis Club Weissenhof in Stuttgart, Germany that was part of the International Series Gold of the 2000 ATP Tour. It was the 52nd edition of the tournament and was held from 17 July until 23 July 2000. Fifth-seeded Franco Squillari won the singles title.
See main article: 2000 Stuttgart Open – Singles. Franco Squillari defeated Gastón Gaudio 6–2, 3–6, 4–6, 6–4, 6–2
See main article: article and 2000 Stuttgart Open – Doubles. Jiří Novák / David Rikl defeated Lucas Arnold Ker / Donald Johnson 5–7, 6–2, 6–3