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TNTvans

Van Bed DIY Kit 71" | Mercedes Sprinter 144 for Campervan Conversion

$2,484.00 USD $2,614.00 USD
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Van Bed DIY Kit 71
$2,484.00 USD
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Van Bed DIY Kit 71" | Mercedes Sprinter 144 for Campervan Conversion

Description

The TNTvans 71" Van Bed DIY Kit is purpose-built for the Mercedes Sprinter 144, delivering a complete sleeping and storage solution for campervan conversions without the bulk or cost of a professional build-out. Engineered with proprietary 6063 aluminum framework and USA-made cabinet-grade Baltic Birch plywood, every component is designed to be strong, lightweight, and built to last through off-road adventures and daily van life demands. The modular system straddled the wheel wells of the Sprinter 144, integrating wheel well shelving and multiple bed platforms into one clean, efficient layout.

This kit is ideal for weekend warriors, full-time van dwellers, and anyone looking to convert their Sprinter 144 into a functional mobile living space with room left over for gear like kayaks, bikes, and dog crates. Everything ships flat-packed via UPS in easy-to-lift boxes directly from St. George, UT - and full customer support by phone, email, text, or FaceTime is included every step of the way. With no wooden joints, no plumbing, and no wiring required, this is one of the most approachable and capable DIY van conversion systems on the market.

Key Features

  • Proprietary 6063 Aluminum Framework: All-metal construction with bolted joints that won't loosen over off-road terrain - no wooden joints or screws to work loose.
  • 71" Bed Length: Spans the width of the Sprinter 144, with 3 bed platforms that mount on top of shelving or benches for a stable sleep surface.
  • 4 Bed Height Options (19", 30", 40", 51"): Choose your clearance and storage capacity below the bed - each level adds another row of shelving.
  • Wheel Well Storage Included: Two wheel well shelving units designed specifically for the Sprinter 144 straddle the wheel wells, great for chairs, blankets, and bulky gear.
  • Baltic Birch Plywood Shelving: SEFA 8.0 certified, USA-made, with a clear semi-gloss epoxy acrylate finish and four-coat UV coating for durability.
  • Modular & Stack-On Compatible: All TNTvans units bolt together - add Stack-On Shelving later to raise bed height or increase storage without starting over.
  • Lightweight Build: Weighs as little as 62 lbs at the 19" bed height - no overload springs needed for your van's suspension.
  • T-Slot Attachment Points: T-slots forged into the metal framework let you strap gear down at virtually any point along the system.
  • Removable & Bolts to the Floor: Installs using riv nuts (metal floor) or wood inserts (wood/composite floor) - can be fully removed in minutes if needed.
  • Made in the USA: Manufactured and ships free from St. George, UT to the contiguous United States.

Bed Height Options & Which to Choose

  • 19" Bed Height (62 lbs, 17" clearance): The most affordable entry point and lightest configuration. Best for van lifers who prioritize a lower sleeping profile and plan to use the underbed area for low-profile storage like flat bins and folded gear.
  • 30" Bed Height (70 lbs, 28" clearance): A popular mid-range option that balances sleeping height with meaningful underbed storage. Great for those who want one full row of shelving below the bed without committing to a very elevated sleeping platform.
  • 40" Bed Height (78 lbs, 38" clearance): Ideal for van dwellers who need significant underbed storage - fits bins, equipment cases, and larger items with ease. A strong choice for those who travel with substantial gear or want to eventually add a sitting area beneath the bed.
  • 51" Bed Height (86 lbs, 49" clearance): Maximum storage configuration with nearly full standing-height clearance beneath the bed in many vans. Best for full-time van lifers who need every cubic inch of organized storage and may want to add a sink, toilet slide, or seating in the underbed area.

What's Included

  • (2) Wheel Well Shelving units (4' wide, fits around Sprinter 144 wheel wells)
  • (4) Small Van Shelving units (1' wide, sit on either side of the wheel well)
  • (4) Bed Platforms (span across the van width, mount on top of shelving or benches)
  • HDEVA foam spacers (2, on ends of platforms to create a level sleeping surface)
  • Hardware mounting kit (riv nuts for metal floor OR wood inserts for wood/composite floor - selected at checkout)
  • Step-by-step assembly instructions with large pictures

Why You'll Love It

TNTvans has engineered a system that removes the biggest barriers to van conversion - complexity, cost, and commitment. Because every unit bolts together and bolts to the floor, you can set it up yourself over a weekend, reconfigure it as your needs change, and even remove it entirely if you want to haul cargo. The all-aluminum, bolt-together framework is trusted by van builders across the country who need a solution that holds up on dirt roads, mountain passes, and everything in between. Built and shipped from St. George, UT, this is an American-made product backed by personal, hands-on customer support - not a call center. Whether you're a first-time van builder or a seasoned overlander upgrading your rig, the TNTvans 71" Sprinter 144 Bed Kit gives you a professional-grade result without professional-grade complexity.

Product Specifications

View Product Specs
Bed Length 71" (units along the wall)
Bed Height Options 19", 30", 40", 51"
Weight (19" height) 62 lbs
Weight (30" height) 70 lbs
Weight (40" height) 78 lbs
Weight (51" height) 86 lbs
Clearance (19" height) 17"
Clearance (30" height) 28"
Clearance (40" height) 38"
Clearance (51" height) 49"
Base Storage Height 17.5"
Bin Shelf Storage Height 10.5"
Frame Material Proprietary 6063 aluminum
Shelf Material USA-made cabinet-grade Baltic Birch plywood, SEFA 8.0 certified
Assembly Time ~7 hours
Van Install Time ~2 hours
Compatible Van Mercedes Sprinter 144
Shipping Ships flat-packed via UPS; free to contiguous US
Assembly Required Yes - DIY kit with step-by-step instructions included
Manufactured St. George, UT, USA

FAQ

Will this kit fit my Mercedes Sprinter 144 exactly?

Yes - this kit is specifically designed for the Mercedes Sprinter 144 wheelbase. The shelving and bed units are sized to straddle the wheel wells in the Sprinter 144, and the 71" configuration runs along the wall of the van. Note that display photos may show a Sprinter 170 interior, but in your 144 the shelving and bed will be positioned around the wheel wells as described.

Do I need any special tools to assemble and install this kit?

Very few tools are required for assembly. For installation, you will need a riv nut installation tool if your van has a metal floor, or a drill for wood inserts if your floor is wood or composite. All mounting hardware is included. TNTvans also provides full support by phone, email, text, or FaceTime to walk you through the process.

Can I add a sink, toilet, or other accessories to this bed kit later?

Absolutely. All TNTvans units are modular and bolt together, so you can add an Ice Chest Slide, Sink System, Toilet Slide, Seat, Overhead Storage, and more at any time. If you want to increase bed height later to add more shelving, Stack-On Shelving can be purchased separately and integrated into the existing system.

What is the Dually / Wheel Well Space option?

The Dually option extends the base to 18" deep, clearing the dually wheel wells found on some Sprinter and Transit configurations. In a 60" or longer kit, only the 4' wide base section is extended - all other shelving units remain 13" deep. This extra space is commonly used for heavy items like batteries and tools.

How does the kit ship, and how long does delivery take?

The TNTvans Van Bed Kit ships flat-packed in small, easy-to-lift boxes via UPS with free shipping to the contiguous United States. Orders typically ship within the same week. International customers can use Bonvu.com for shipping, though all international sales are final with no returns or warranty.

Can I remove the bed kit from my van if I need to haul cargo?

Yes - one of the biggest advantages of the TNTvans system is that it bolts to the floor rather than being permanently attached. Each unit can be unbolted from its floor anchors in just a few minutes, allowing you to fully remove the interior and restore your van to cargo-hauling mode whenever needed.
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