1999 Mercedes Cup
Date	19–25 July
Edition	51st
Category	Championship Series
Draw	48S / 24D
Prize money	$915,000
Surface	Clay / outdoor
Location	Stuttgart, Germany
Venue	Tennis Club Weissenhof
Champions
Singles
Magnus Norman[1]
Doubles
Jaime Oncins / Daniel Orsanic[2]
← 1998 · Stuttgart Open · 2000 →

The 1999 Mercedes Cup was a men's tennis tournament played on outdoor clay courts at the Tennis Club Weissenhof in Stuttgart, Germany and was part of the Championship Series of the 1999 ATP Tour. The tournament was held from 19 July until 25 July 1999. Unseeded Magnus Norman won the singles title.^[3][4]

Finals

Singles

Magnus Norman defeated Tommy Haas 6–7^(6–8), 4–6, 7–6^(9–7), 6–0, 6–3

• It was Norman's 2nd singles title of the year and the 4th of his career.

Doubles

Jaime Oncins / Daniel Orsanic defeated Aleksandar Kitinov / Jack Waite 6–2, 6–1

• It was Oncins's 3rd title of the year and the 5th of his career. It was Orsanic's 2nd title of the year and the 7th of his career.