New 2026 Tiffin Motorhomes Open Trail 25 AO

Motor Home Class C - Diesel

Stock #VCSLTM2

St Louis, MO

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Specifications

Sleeps	3	Length	25 ft 6 in
Ext Width	7 ft	Ext Height	11 ft 2 in
Int Height	6 ft 8 in	Hitch Weight	5000 lbs
GVWR	11030 lbs	Fresh Water Capacity	52 gals
Grey Water Capacity	52 gals	Black Water Capacity	4.5 gals
Tire Size	245/70R16	Fuel Type	Diesel
Engine	2.0L I4 Turbo Diesel High Output	Chassis	Mercedes-Benz 3500XD AWD Dual Wheel Cutaway
Horsepower	208 hp	Fuel Capacity	24.5 gals
Wheelbase	170.3 in	Available Beds	Twin Beds with King Conversion
Torque	332 ft-lb	Refrigerator Type	Dometic Dual HInge
Refrigerator Size	10.5 cu ft	Cooktop Burners	1
Shower Size	48" x 32"	Number of Awnings	1
Axle Weight Front	4410 lbs	Axle Weight Rear	7720 lbs
Water Heater Type	Hydronic	AC BTU	15000 btu
Basement Storage	90 cu. ft.	Awning Info	Girard Side Mounted Power w/Integrated LED Lights and Built-in Speakers
Gross Combined Weight	15250 lbs	Shower Type	Wet/Bath Shower
Electrical Service	30 amp

Description

Tiffin Motorhomes Open Trail Class C diesel coach 25 AO highlights:

Sleeper Sofa
Twin Beds with King Conversion
10.5 Cu. Ft. Dometic Refrigerator
Large Shower Skylight
All-Wheel Drive

If you're an outdoor enthusiast who doesn't want to sacrifice comfort, this coach is for you! The premium Mercedes captain's seats include heat for added comfort plus they can swivel around to become part of the living area seating. You can make lunch on the single burner portable induction stove or in the stainless steel microwave/air fryer. There is a sleeper sofa for cozy seating and additional sleeping space for a guest, or you can choose the optional L-shaped lounge if you're wanting a table. The full residential-style wet bath includes a roof vent fan, towel and toilet paper holders, an oversized mirror, plus a large black aluminum under-sink cabinet with a GFCI outlet to plug in any accessories you may need. Head to the rear of this coach to find the 32" x 76" twin beds with a nightstand in between, or you can convert them into one king-size bed. There is also an overhead cabinet and dual pull-out closets so you both have a place for your things!

The Open Trail by Tiffin Motorhomes will do just that; take you on the open trails! This Class C diesel coach sits on the durable Mercedes-Benz 3500XD AWD dual wheel cutaway chassis, allowing you to venture off-road when the adventure calls for it. You will also appreciate the added safety features, such as active brake assist, Active Distance Assist Distronic (adaptive cruise control), active lane keeping assist and more! The 3.2 kW RVMP diesel generator and 270 AH Battleborn lithium battery pack will keep you powered up, and you can choose the optional Lithionics battery system and optional (2) 200W solar panels to keep you off-grid for even longer periods of time. An Aqua View Showermiser system and hydronic hot water heater provide added comfort when it's time to clean up, and the black powder coated aluminum cabinetry throughout is ultra durable to withstand your adventrous lifestyle. Outside, you'll find riveted all-aluminum body molding, full-body paint with two layers of clear coat, a heavy duty off-road front bumper, and high performance Diamond shield protective film for added durability.

Call Us at 314-894-3905

Features

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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New 2026 Tiffin Motorhomes Open Trail 25 AO

25 AO Floorplan

Specifications

Description

Features