The 19Y squeezes a lot into a 20-foot Sprinter: bunk beds, a full bath, and an off-grid power setup that most Class Bs can't touch, 48V lithium (7.9kWh), a 3,000W Victron inverter, 200W of solar, and a dedicated smart alternator to keep it all topped off. The Mercedes-Benz 2.0L twin-turbo diesel with AWD and all-terrain tires means this isn't just weekend-campground capable. It's built for rougher ground. Inside, the Timberline hydronic heating system handles cold-weather camping in a way propane furnaces simply don't, and the 18,000 BTU variable-speed AC covers the other extreme. The Firefly coach control system ties it all together, giving you real-time monitoring of your power and systems from one interface.
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Other class b motorhomes floor plans (around 19 ft 7 in, near $247,000), similar in size and price to the Terrain 19Y.
