New 2026 Grand Design Lineage Series M 25TK Motor Home Class C - Diesel

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2026 25TK Features and Options

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:

  • 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?

  • Mercedes-Benz Sprinter 4500 Power: Powered by a high-output 2.0L TwinTurbo diesel engine with 9G-TRONIC transmission for smooth, efficient travel.

  • Premium Interior Finishes: From Natural Teak wood grain cabinetry to seamless solid surfaces, every inch feels handcrafted and modern.

  • Smart RV Tech: Integrated smart TVs, satellite internet, and energy-efficient 12V systems make this coach ready for the digital age.

  • Ride-Ready Chassis Upfit: Built on a MORryde steel chassis Halo Upfit for improved strength, safety, and durability.

  • 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.

What Our Customers Are Saying

Amazing!

I want to say thank you for everything that you did. You went way beyond my expectations. Everyone was so helpful. You are all amazing! - Karen
Price: $235,595
Campers Inn
Location: Toms River NJ
Stock# 109211
To get help now on this RV, call and enter the RV ID if prompted.
RV ID: 3379877#
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2026 25TK Specifications
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
For more information Contact Us

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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.