From the airport
Taxi: It's a 15 minutes trip and is around €45.
Bus: Take bus 30 to Maastricht Randwyck. Departs every 30 minutes and costs €4,08. Bus 59 to Maastricht's city center. Transfer to bus 1 in the direction of de Heeg, and exit at the MECC. The hotel will be a minute's walk away.
You can rent a car.