2017 Greyhawk 29MV Class C Huge kitchen model with 2 A/C units Jayco Quality! With the 2017 Greyhawk Class C motorhome, the journey is sure to be as smooth as the destination is fun. Engineered for superior on-the-road performance and loaded with residential amenities, Greyhawk makes every mile enjoyable. Six spacious floorplans, all with an interior ceiling height of 84 inches, make the Greyhawk Class C motorhomes a comfortable retreat for families big and small.