New 2026 Grand Design Lineage Series M 25TK Motor Home Class C - Diesel
2026 Grand Design Lineage M-25TK – Luxury Meets Performance on the Road
Welcome to the next evolution in Class C motorhomes. The 2026 Grand Design Lineage M-25TK delivers the ultimate blend of luxury, innovation, and Mercedes-Benz performance. Whether you're planning long-haul cross-country treks or spontaneous weekend getaways, this premium coach is engineered to exceed expectations in every mile.
Top Highlights of the Lineage M-25TK:
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Swivel Captain's Chairs
Heated, power-adjustable, and ultra-comfortable with armrests and lumbar support — perfect for long drives and campground lounging. -
Overhead Cab Bunk
Extra sleeping space without sacrificing floorplan functionality, ideal for guests or gear. -
Power Theater Seating
Kick back in style with plush, power-adjustable seats — great for movie nights or afternoon naps. -
Dual Twin Beds / Convertible King
Two 36"x80" twin beds easily convert to a spacious 90"x74" king — offering flexible sleeping for couples or solo travelers. -
Rear Private Bedroom
Retreat to your personal sanctuary with a full rear bedroom, complete with under-bed storage and a 32" LED smart TV. -
Modern Gourmet Kitchen
Features a solid surface countertop with flip-up extension, air fryer/convection microwave, 2-burner stove, and a 10 cu. ft. 3-door fridge. -
40" Exterior TV
Bring the game or movie night outdoors with a stunning weatherproof 40" TV under the awning. -
Residential-Style Bath
Enjoy a custom shower surround with a linear slot drain, porcelain toilet, and upscale fixtures that feel like home. -
Starlink Satellite Internet & SureLevel Monitoring
Stay connected with high-speed internet and monitor your tanks with precision — no guessing required.
Why the Grand Design Lineage M-25TK?
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Mercedes-Benz Sprinter 4500 Power: Powered by a high-output 2.0L TwinTurbo diesel engine with 9G-TRONIC transmission for smooth, efficient travel.
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Premium Interior Finishes: From Natural Teak wood grain cabinetry to seamless solid surfaces, every inch feels handcrafted and modern.
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Smart RV Tech: Integrated smart TVs, satellite internet, and energy-efficient 12V systems make this coach ready for the digital age.
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Ride-Ready Chassis Upfit: Built on a MORryde steel chassis Halo Upfit for improved strength, safety, and durability.
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Luxury That Moves With You: Designed for RVers who refuse to compromise comfort for mobility — perfect for full-timers or upscale weekenders.
STOCK IMAGES USED> Please Confirm equipment and color with the RV outfitter at the store.
Great experience, had helpful and very informative members of their team who took the time to walk me around and make sure I found the correct camper for me. JW made the process feel easy and took a ton of stress out of the purchasing process. Will be going back for any future purchases. - Lawerence
Stock# 109211
Chassis: ercedes-Benz Sprinter 4500
Exterior Color: MIDNIGHT WAVE FBP
Interior Color: HARBOR LOFT
| Sleeps | 3 |
| Slides | 1 |
| Length | 25 ft 8 in |
| Ext Width | 7 ft 11 in |
| Ext Height | 11 ft 5 in |
| Int Height | 6 ft 8 in |
| Interior Color | HARBOR LOFT |
| Exterior Color | MIDNIGHT WAVE FBP |
| GVWR | 12125 lbs |
| Fresh Water Capacity | 36 gals |
| Grey Water Capacity | 30 gals |
| Black Water Capacity | 35 gals |
| Tire Size | LT215/85 R16 |
| Furnace BTU | 20000 btu |
| Fuel Type | Diesel |
| Miles | 834 |
| Engine | Twin-Turbo 2.0 Ltr. Inline 4 Cyl |
| Chassis | ercedes-Benz Sprinter 4500 |
| Horsepower | 208 hp |
| Fuel Capacity | 24.50 gals |
| Wheelbase | 170 in |
| Available Beds | 1 |
| Refrigerator Size | 10 cu ft |
| Cooktop Burners | 2 |
| Water Heater Type | Tankless |
| AC BTU | 15000 btu |
| Gross Combined Weight | 15249 lbs |
| VIN | W1X9N33YXSN344386 |
Lineage Series M 25TK Reviews
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Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.