MERCURE STUTTGART APT MESSE. . The Mercure Hotel Stuttgart Airport Messe is near the airport/exhibition center, and provides a free airport/exhibition center shuttle service (on request/subject to availability). The hotel can be reached via the A8 or Enbw City subway stop just 109 yds. away, while the main train station in the center is a 20-minute drive. Many prestigious companies are based at the nearby business park. A 15-minute walk takes you to the musical hall and casino. The popular outlet center in Metzingen is 15.5 miles away.