New 2026 Tiffin Motorhomes Open Trail 25 AO

Standard Features (2026)

 

Chassis and Drivetrain 

• Mercedes-Benz® 3500XD AWD Dual Wheel Cutaway Chassis
• Mercedes-Benz® 2.0 Liter I4 Turbo Diesel High Output 208 HP Diesel Engine with 332 lb-ft Torque
• All-wheel Drive
• 220-Amp Alternator
• Mercedes-Benz® 9G-Tronic Automatic Transmission
• Custom Tiffin Adventure Black Alloy Wheels
• Front and Rear LT 245/70R 16 Tires
• (1) 12-Volt Flooded Lead-Acid Chassis Batteries
• Premium Mercedes Driver & Passenger Seats with Electrical Controls
• Heated Driver & Passenger Seats
• Sumo Springs (Rear)5
• Front Radiator
• Four Wheel ABS Brakes
• Manual Parking Brake
• Active Brake Assist (Collision Mitigation)
• Active Distance Assist Distronic® (Adaptive Cruise Control)
• Attention Assist
• Traffic Sign Assist
• Load Adaptive Electronic Stability Program (ESP)
• High Beam Assist
• Active Lane Keeping Assist

Chassis and Drivetrain Add On Options

• Side View Cameras
• Agile Offroad RIP Kit Suspension Upgrade

Construction 

• Seamless One-piece Gel-coat Fiberglass Molded Roof Cap
• One-piece Molded Gel-coat Fiberglass Front and Rear Caps

Electrical

• Spyder Controls Multiplex System
• Firefly Integrations Mira Module
• Interior Entryway Spyder System Main Monitor
• Additional Spyder System Switch Panel
• (1) 15,000-BTU Gree Air Conditioner with Heat Pump, Soft Start, & Variable Speed Compressor
• 3000W Xantrex Inverter
• Wall-mounted Thermostat with Built-in Temperature Sensor
• SmartPlug® Detachable 30-Amp Shore Power Cord
• Prep for 2 Solar Panels (Includes 30 Amp Solar Controller)
• Prep for Wolfbox Always-on Rearview Camera
• HD Over-the-air Antenna
• Park Cable and Ground Satellite Hook-up
• Prep for Starlink Mini
• Hydronic Heating
• Showermiser Hot Water Recirculation
• Mercedes-Benz® Wireless Internet Access
• 12-Volt Breaker Panel
• 12-Volt Disconnect Switch
• Outlets for CPAP Machine in Bedroom
• Ground Fault Circuit Interrupter (GFCI) Outlets at Galley, Lavatories, and Sewer Bay
• 110-Volt Exterior Receptacle
• USB & USB-C Receptacles Throughout Coach

Generators and Power Systems

• 3.2-Kilowatt RVMP Diesel Generator & 270 AH (3,456 WH) Battleborn Lithium Battery Pack

House Batteries

• 51V 165 (8,448 WH) Lithionics Battery System (Optional)

Electrical Add On Options

• 2x 2000W Solar Panels (400W) 
• Starlink Mini

Plumbing

• Aqua View Showermiser™
• Hydronic Hot Water Heater
• Water Filter
• Water Pump
• 4.5 Gallon Thetford C220 Indexable Cassette Toilet
• Low-point Water Drain Lines
• Gravity Water Fill
• Heated Water Tanks
• Tank Level Monitor System
• Centralized Exterior Sewer Bay with Gravity Grey Evacuation Ports
• Prepped For 45 Gallon Fuel Tank Upgrade
• Exterior Rinse Hose with Shower Head
• Fresh Water Hookup for City Water and Tank Fill
• Sewer Hose Storage

Plumbing Add On Options

• Black Tank Toilet (Changes 52 Gallon Grey Tank to 26 Gallon Grey/26 Gallon Black)

Exterior

• Full-body Paint with (2) Layers of Clear Coat
• Rugged Texturized Protective Coating On Lower Panels
• High Performance Diamondshield Protective Film on Front Cap, Front Cab, and Other Select Areas
• (1) Girard® Side-mounted Powered Patio Awning with Integrated LED Lighting and Built-in Speakers
• Exterior Running Boards
• Electric Entry Step
• Heavy Duty Offroad Front Bumper
• Black Powder Coated Aluminum Roof Rack
• Lockable Handles on Compartment Doors
• Motion-sensor Lights in Cargo Bay
• Nomadic Ark Argon-Filled Dual-Pane Insulated Acrylic Exterior Windows
• Exterior Patio Light
• Fog Lights
• Driver and Passenger Side Front Cap Exterior Entry Light
• Heated, Electrically Adjustable Side-view Mirrors
• Bear-Resistant Exterior Entry Door With All-Aluminum Construct
• Bear-Resistant Steel Interior Door with Airflow Screens and Heavy-Duty Drop-Bolt
• Riveted All-Aluminum Body Molding
• Custom Fabricated Aluminum Wheel Wells Sized For Super Single Wheels

Exterior Add On Options

• Manual 270 Degree Batwing Awing

Exterior Paint Color Options

• Desert Tan Full Body Paint Scheme 
• Cement Grey Full Body Paint Scheme

Interior

• Black Powder Coated Aluminum Cabinetry Throughout
• Aluminum-Framed Step Well With Composite Trim
• Dedicated Over-Cab Storage
• Solid Surface Galley Countertop w/Countertop Extension
• Stainless Steel Sink w/Hide-away faucet
• Soft Touch Vinyl Ceiling
• Dimmable LED Lighting
• Carbon Monoxide Detector
• LPG Leak Detector
• Smoke Detector
• Fire Extinguisher
• Solar and Privacy Shades
• Soft-closing Drawers
• Interior Grab Handle at Entry Door

Interior Decor Packages

• Boho Chi (Optional)

Cabinetry Color

• Matte Black Noir w/Phantom Ecru Fonts (Optional)

Driver's Compartment 

• Black Leather Adjustable Driver and Passenger Seats
• Swivel Bases for Driver and Passenger Seats
• Heated Driver and Passenger Seats
• Leather Wrapped Heated Steering Wheel with Integrated Controls
• Keyless Start
• Windshield with Filter Band
• Rain Sensor for Windshield Wipers
• Automatic LED Headlights
• Emergency Call System
• Smartphone Integration For Apple Carplay® and Android™ Auto
• Mercedes-Benz® MBUX Multimedia System with 10.25” Touchscreen
• 360 Degree Backup Cameras
• Ceiling Mounted Speakers
• Tray for Smartphones with Charging Ports
• Intelligent Navigation
• Auxiliary Start Switch
• Powered Windows
• Door-mounted Driver and Passenger Assist Handles
• Powered Door Locks
• Vinyl Floor Covering
• Driver, Passenger, and Windshield Thermal Barrier Shades
• Instrument Cluster with Color Display

Dinette and Living Area

Driver Side

• L-Shaped Dinette (Converts to Bed)
• Convertible Jack Knife Sofa Bed (Optional)

Kitchen

• Stainless Steel Microwave/Air Fryer
• Dometic 10.5cu ft Dual-Hinge Refrigerator
• Single-Burner Portable Induction Stove
• Stainless Steel Sink w/Hide-away faucet
• Galley Overhead Cabinets
• Task Lighting
• Solid Surface Galley Countertop w/Countertop Extension

Bedroom

• Rear Dual Twin Beds - Converts to King
• LED Reading Lights
• Overhead Cabinets
• CPAP Outlet & Passthrough
• His & Hers Clothes Cabinets

Bathroom

• 48 x 32 Full Residential-Style Wet Bath
• Large Shower Skylight
• Towel and Toilet Paper Holders
• Roof Vent Fan
• Oversized Mirror With Hidden Medicine Cabinet
• Large Black Aluminum Under-Sink Cabinet w/GFCI Outlet

See us for a complete list of features and available options!

All standard features and specifications are subject to change.

All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.

Due to the current environment, our features and options are subject to change due to material availability.

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