2024 Entegra Coach Qwest SE 24L Explore Entegra Coach's Class C diesel lineup, starting with the Qwest SE. Built on the Mercedes-Benz 3500 chassis, with a 170-inch wheelbase and a V-6 Turbo 188 HP diesel engine, the Qwest SE is ready for the road. The 7-inch integrated Mercedes-Benz MBUX infotainment center with GPS, Apple® CarPlay™ and Android Auto, as well as backup and side-view cameras, make traveling in the Qwest SE safe and enjoyable.