TNTvans

Van Furniture Kit | Mercedes Sprinter 144 | Campervan DIY

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Van Furniture Kit | Mercedes Sprinter 144 | Campervan DIY
$4,521.00 USD
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Van Furniture Kit | Mercedes Sprinter 144 | Campervan DIY


Description

The TNTvans Mercedes Sprinter 144 Campervan Conversion Kit is a complete DIY interior solution designed to turn your Sprinter 144 into a capable, adventure-ready camper van in a single weekend. Engineered around a proprietary 6063 aluminum framework - no wood joints, no plumbing, no wiring - this system is as lightweight as it is durable, with a full kit weighing under 200 lbs so your van's suspension stays stock. Everything bolts directly to your van's floor and removes just as easily, meaning you can haul kayaks, bikes, or gear one day and camp in comfort the next.

Manufactured in St. George, UT, the kit covers your three core van-life needs right out of the box: a bed, a kitchen area, and organized storage. The modular design means every unit - shelving, bed platforms, sink, and ice chest slide - can be rearranged, stacked, or expanded later as your build evolves. Full customer support via phone, email, text, or FaceTime is included with every kit, so you're never building alone.


Key Features

  • Proprietary 6063 Aluminum Framework: All-metal construction with bolted connections that won't loosen over rough roads or off-road terrain - unlike wood-jointed systems.
  • Four Bed Height Options (19", 30", 40", 51"): Choose the clearance and under-bed storage depth that fits your lifestyle; each higher level adds another row of shelving.
  • SEFA 8.0 Certified Baltic Birch Plywood: USA-made cabinet-grade plywood with a clear semi-gloss epoxy acrylate finish and four-coat UV coating for long-lasting durability.
  • Modular & Removable Design: All units bolt to the floor and can be fully removed without permanently modifying your Mercedes Sprinter 144.
  • Self-Contained Van Sink System: Wireless, fully self-contained sink kit with a manual pump, two water tanks, hoses, fittings, and a fold-down faucet lid that doubles as counter space.
  • Ice Chest Slide & Countertop: Locking sliding tray designed around the ICECO 45L (compatible with many brands), with built-in countertop space for food prep or laptop work.
  • Wheel Well Shelving & Small Shelving Units: Purpose-built shelving that fits around Sprinter 144 wheel wells, with units sized to hold chairs, tables, blankets, and large quantities of gear.
  • T-Slot Attachment Points: T-slots forged into the aluminum framework let you strap gear down at virtually any point along the system.
  • Ships by UPS in Flat-Pack Boxes: Easy to lift, no freight required - ships free to the contiguous lower 48 states from St. George, UT.
  • Assembly Time ~9 Hours, Van Install ~2 Hours: Step-by-step instructions with large photos and a demonstration video included; personal cell phone support from the builder.

Bed Height Options & Which to Choose

  • 19" Bed Height: The lowest profile option, offering 17" of clearance beneath the bed. Best for van campers who prioritize a low, stable sleeping surface and don't need significant under-bed storage.
  • 30" Bed Height: A popular mid-range choice with 28" of under-bed clearance and an additional row of shelving. Great for weekend adventurers who want a balance of comfortable sleeping height and organized gear storage.
  • 40" Bed Height: Provides 38" of under-bed clearance and two additional rows of shelving. Ideal for full-time or extended van travelers who need maximum storage capacity for clothing, tools, and camping gear.
  • 51" Bed Height: The tallest configuration with 49" of under-bed clearance and three additional rows of shelving. Perfect for tall sleepers, dual-use cargo haulers, or anyone who wants a standing-height storage bay beneath their bed.

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 (mount to tops of benches or shelving)
  • (1) Ice Chest Slide & Countertop (locking sliding tray + countertop surface)
  • (1) Van Sink System (sink, hoses, fittings, manual water pump, two water tanks)
  • All mounting hardware (riv nuts for metal floors or wood inserts for wood/composite floors)
  • Step-by-step assembly instructions with large pictures and demonstration video access

Why You'll Love It

TNTvans has built a reputation among serious van-lifers, weekend campers, and DIY builders for delivering a system that's genuinely engineered - not just assembled from off-the-shelf parts. Every component is made in the USA, and the all-aluminum framework means your investment holds up over years of off-road travel, seasonal temperature swings, and daily use without joints working loose or panels warping. The modular system grows with you: start with the base kit and add Stack-On Shelving, drawers, cabinet doors, or MOLLE panels any time your needs change. Customers ranging from aerospace engineers to first-time builders consistently praise the fit, finish, and thoughtful design. Whether you're heading out for a quick weekend trip or outfitting a full-time adventure rig, this kit gives you a reliable, professional-quality interior without the professional-build price tag.


Product Specifications

View Product Specs
Compatible Van Mercedes Sprinter 144
Driver's Wall Unit Length 123"
Passenger Wall Unit Length 71"
Bed Height Options 19", 30", 40", 51"
Kit Weight - 19" Bed 62 lbs (17" under-bed clearance)
Kit Weight - 30" Bed 70 lbs (28" under-bed clearance)
Kit Weight - 40" Bed 78 lbs (38" under-bed clearance)
Kit Weight - 51" Bed 86 lbs (49" under-bed clearance)
Base Storage Height 17.5"
Bin Shelf Storage Height 10.5"
Ice Chest Slide Storage Shelf Height 6.5"
Framework Material Proprietary 6063 aluminum
Panel Material USA-made cabinet-grade Baltic Birch plywood, SEFA 8.0 certified, semi-gloss epoxy acrylate finish, 4-coat UV coating
Assembly Time Approximately 9 hours
Van Installation Time Approximately 2 hours
Shipping Method Ships via UPS in flat-pack boxes (no freight/pallet required); free shipping to lower 48 states
Assembly Required Yes - kit arrives flat-packed; step-by-step instructions and video provided
Manufactured In St. George, UT, USA

FAQ

Does this kit fit the Mercedes Sprinter 144 specifically, or other wheelbase lengths?

This kit is designed and sized for the Mercedes Sprinter 144" wheelbase. TNTvans also offers kits for the Sprinter 170 and other van models. Note that display photos may show the system inside a Sprinter 170 - in your Sprinter 144, the shelving and bed unit will straddle the wheel well as intended.

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

Very few tools are required. If your van has a metal floor, you'll need a riv nut installation tool to install the supplied riv nut anchors. Wood/composite floors use wood inserts that don't require a special tool. Beyond that, basic hand tools are all that's needed. Full step-by-step instructions with large pictures and a demonstration video are included, and personal support from the builder is available via phone, text, email, or FaceTime throughout your install.

Can I remove the furniture if I need to haul large cargo?

Yes - removability is a core feature of the TNTvans system. The bed frame is designed to be removed quickly, leaving a large open aisle so you can haul kayaks, bikes, dog crates, or other oversized items. The units bolt to the floor rather than being permanently attached, so you can reconfigure or fully remove them as needed.

What is the Dually / Wheel Well Space option?

The Dually option extends the base section to 18" deep to clear the larger wheel wells found on Sprinter Dually models. In kits with a 60" or longer bed or shelving configuration, 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.

Is the sink system self-contained - does it require plumbing or wiring?

Yes, the Van Sink System is completely self-contained and wireless. It includes a manual water pump, two water tanks, a sink, hoses, and fittings - no external plumbing hookups or electrical wiring required. The faucet folds down so the lid creates additional counter space when the sink isn't in use. You can optionally order the sink fully pre-assembled for an additional fee.

Can I add more shelving later if my needs change?

Absolutely. The TNTvans system is fully modular. You can purchase Stack-On Shelving at any time to add more rows and raise your bed height. Individual drawers, cabinet doors, MOLLE side panels, and LED lighting are all available in the accessories menu. Your initial kit is a starting point, not a ceiling.

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