2027 Tiffin Open Trail 25AO

TIFFIN Open Trail Motorized RV

Meet the TIFFIN Open Trail Motorized RV—a 2027 Class B adventure built on a Mercedes-Benz 3500XD AWD dual-wheel cutaway chassis, designed for confident road trips and comfortable downtime. With a compact overall footprint and a feature-rich electrical, climate, and driver-assist setup, this model is ready to support your next weekend escape or longer journey.

Powertrain & Performance

Powered by a Mercedes-Benz 2.0-Liter I4 Turbo diesel engine rated at 208 HP with 332 lb-ft torque, the Open Trail pairs with a Mercedes-Benz 9G Tronic automatic transmission and all-wheel drive. Safety and driver confidence are supported by features including four-wheel ABS brakes, Active Brake Assist (collision mitigation), Active Distance Assist Distronic (adaptive cruise control), and Active Lane Keeping Assist.

Comfort, Climate & Electrical System

Stay comfortable with a ducted rooftop air conditioner and a wall-mounted thermostat with built-in temperature sensor. The electrical system includes a Victron Multiplus II 3000 inverter and a Lithionics battery management system with Bluetooth app monitor, plus a 310AH Lithionics lithium house battery. For power planning, it also includes prep for 600W solar (with a 30 Amp solar controller) and a 4 KW RVMP Flex Power LP generator.

Key Features & Specifications

• Mercedes-Benz 3500XD AWD dual-wheel cutaway chassis
• 208 HP Mercedes-Benz 2.0-Liter I4 Turbo diesel engine (332 lb-ft torque)
• Ducted rooftop air conditioner (1 unit)
• Victron Multiplus II 3000 inverter + 310AH Lithionics lithium house battery
• 4.5 gallon Thetford C220 indexable cassette toilet
• Rear dual twin beds that convert to a king (75 feet 7 inches x 80 feet 3 inches)

Interior, Kitchen & Sleeping

The interior is finished in matte black with soft-touch vinyl ceiling and dimmable LED lighting. The kitchen includes a stainless steel microwave with air fryer, a 6.3 cu. ft. refrigerator, and a single-burner portable induction stove. Sleeping options include rear dual twin beds that convert to a king, plus a patent-pending PivotSofa convertible sofa/bed for flexible lounging and overnight use.

Exterior & Practical Utilities

Outside, you’ll find full-body paint, an electric entry step, dual-pane glass windows, and a standard electric awning. For setup and convenience, the plumbing includes in-house water tanks with tank level monitoring, a water filter and pump, and a centralized exterior sewer bay with gravity black and grey evacuation ports. Fresh water capacity includes 48 gallons (fresh) and 48 gallons (grey), with a 4 gallons (black) tank.

Ready to see the TIFFIN Open Trail Motorized RV in person? Contact your dealer today to schedule a viewing and experience the layout, materials, and onboard systems firsthand.