| 1998 Mercedes Cup | |
|---|---|
| Date | 20–26 July |
| Edition | 50th |
| Category | International Series Gold |
| Draw | 48S / 24D |
| Prize money | $915,000 |
| Surface | Clay / outdoor |
| Location | Stuttgart, Germany |
| Venue | Tennis Club Weissenhof |
| Champions | |
| Singles | |
 Gustavo Kuerten[1] | |
| Doubles | |
 Olivier Delaître / Fabrice Santoro[2] | |
The 1998 Mercedes Cup was a men's tennis tournament played on clay courts at the Tennis Club Weissenhof in Stuttgart, Germany, that was part of the International Series Gold of the 1998 ATP Tour. It was the fiftieth edition of the tournament and was held from 20 July until 26 July. Gustavo Kuerten won the singles title.[3]
