Time to get ready for the 2019 IMSA_racing season finale! One Mercedes-AMG GT3 will enter the 10-hour race of the #IMSA #WeatherTechChampionship on Saturday. Seven #AMGGT4 will join the competition in the Michelin Pilot Challenge on Friday in RoadAtlanta. Good luck to Riley Motorsports, winwardracing /htpmotorsport, team_tgm & murillo_racing! #IMSA #IMPC #motulpetitlemans #WeatherTechChampionship #foxfactory120 #RoadAtlanta #MercedesAMGMotorsport #MercedesAMG #AMGGT3 #AMGGT4 MercedesBenzUSA