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Most custom camper vans are built for two people. This 2024 Mercedes-Benz Sprinter 3500XD, built out by Vanspeed on its Interstate 170 layout, was set up for a family. Behind the cab are two DOT-certified captain’s chairs with ISOFIX/LATCH anchors for child car seats. Add an indoor wet bath, an 800Ah lithium power system, and an all-wheel-drive chassis on a 2-inch Van Compass lift, and you get a van that can carry four people far off the pavement.
It’s listed by a private seller in San Francisco, California, with just 7,084 miles on it. Here’s a look inside and out.
A 170-Inch AWD Sprinter Built for Rough Roads
The base van is the long 170-inch-wheelbase Sprinter 3500XD with Mercedes’ all-wheel drive, the 2.0-liter twin-turbo diesel, and the 9-speed automatic. It started life as a dually. The seller says it was converted to single rear wheels on Reika Rambler wheels and Falken WildPeak A/T4W tires (285/75R17), which gives the van the same track front and rear. That helps a lot on narrow dirt roads and in snow ruts.
Up front is an Owl Vans Ridgeline Max winch bumper with aluminum skid plates, recovery points, and a Superwinch SX12SR synthetic-rope winch. Vanspeed rock sliders double as side steps. The seller also lists AlphaRex projector headlights and an upgraded horn.
Around back, an Owl Explorer rear door ladder carries the full-size spare, and a second ladder on the driver’s side gets you onto the roof. The color-matched side flares add width at sleeping height, which is what makes the cross-van bed possible in a Sprinter.
Suspension and a 700-Mile Fuel Range
This is where much of the money went. The van runs the Van Compass Stage 6.3 dually 2-inch lift with Falcon 3.3 Fast Adjust inverted struts, which you can stiffen for highway driving and soften for washboard. A jounce reinforcement bracket keeps the front end from bottoming out. A 45-gallon extended fuel tank gives the van over 700 miles of highway range, according to the seller. That matters in places like Nevada and Utah, where gas stations can be far apart.
Seats for Four, Including Car Seats
This feature is the reason the van stands out. Most camper builds have two seatbelts, in the cab. This one adds two Van Equipped captain’s chairs bolted to through-bolted Safe Tracks. Each has ISOFIX/LATCH anchors, so a child car seat can clip in the same way it would in a family car. The seller says the chairs come out in under 30 seconds, which opens up the floor when you’re parked. A power sliding door also means no slamming the door with little kids around.
A Bright Galley Under a Slatted Wood Ceiling
The cabinets are Baltic birch with a blue laminate finish, paired with light wood counters and a slatted wood ceiling that hides the dimmable lighting. The galley has a deep matte-black Elkay sink with a motion-sensing Kohler Crue faucet, a two-burner induction cooktop, and a flip-up butcher-block counter extension. Induction is a good match for a large lithium bank. It means no propane on board, and it’s quick to clean.
An Isotherm Drawer 85 refrigerator/freezer sits low in the cabinet run. Overhead cabinets use gas struts and soft-close hardware, and there’s a two-door wardrobe closet with cubbies.
A Lounge That Turns Into a King-Size Bed
The back of the van is two facing bench seats. By day they work as a dining area or a mobile office. The seller says they seat up to six adults while parked. At night they convert in about 30 seconds into a king-width platform with a 4-inch memory foam mattress. The listing says the van sleeps two, so a family of four would likely need a tent or a separate sleeping setup for the kids.
An Indoor Wet Bath with Hot Water
Next to the closet is a full wet bath with a retractable door, a Moen shower head, and its own drain. The toilet is a Laveo Dry Flush, which seals waste in a cartridge so there’s no black tank and no compost to manage. A Webasto hydronic system supplies continuous hot water to the sink, the indoor shower, and an exterior shower port at the rear doors.
Fresh water is held in two 32-gallon tanks mounted where the dually wheel wells used to be, for 64 gallons in all, plus a 25-gallon gray tank with an exterior dump valve. That’s a lot of water for a van, and it’s a big reason this build can stay out for days.
800Ah of Lithium and 12-Volt Air Conditioning
The electrical system centers on two 400Ah lithium batteries (800Ah at 12 volts, about 9.6kWh), a 2,000-watt pure sine-wave inverter/charger, a 40-amp alternator charger, and rooftop solar with an MPPT controller. The seller says it’s enough to run the induction cooktop and the air conditioner off-grid. A 30-amp SmartPlug shore inlet handles campground hookups.
For cooling there’s a Dometic RTX 2000 12-volt rooftop air conditioner, so you don’t need a generator to run it. Heat comes from a Webasto EVO 40 diesel air heater with high-altitude compensation, and a MaxxAir fan handles ventilation. The walls, ceiling, and doors are insulated with 3M Thinsulate, and fitted magnetic window covers come with the van.
The Cab
The cab keeps the factory Mercedes tech: a 10.25-inch MBUX touchscreen, 360-degree cameras, adaptive cruise control, blind spot assist, and lane keeping assist. The seller says it just had a dealer Service A and is still under the remainder of the factory bumper-to-bumper and powertrain warranties.
Price and Sale Terms
- Asking price: $214,000 (listing checked November 10, 2026). The seller says more than $271,000 went into the van and the build.
- Location: San Francisco Bay Area, California. The seller can help arrange insured shipping anywhere in the US.
- Title: clean California title, no accidents, non-smoker, per the seller.
- Payment: through KeySavvy escrow, which handles the funds and the title transfer.
Before You Buy
- Ask for receipts for the build and the suspension work, and for the Mercedes service record.
- Confirm how much factory warranty is left and whether the dually-to-single-wheel conversion affects coverage or the van’s load rating.
- Check the solar specs. The listing gives both 190 and 200 watts, which is modest next to an 800Ah bank. Expect to lean on alternator charging for longer trips with A/C.
- Check that the captain’s chairs and Safe Track mounting come with their crash-test paperwork, since kids will ride in them.
- See it in person and test the A/C, induction cooktop, and hot water on battery power.
Design Details
- Van: 2024 Mercedes-Benz Sprinter 3500XD, 170-inch wheelbase, high roof, AWD
- Builder: Vanspeed, Interstate 170 layout
- Engine: 2.0L twin-turbo diesel, 9-speed automatic, 7,084 miles
- Seating: 4 belted seats, including 2 captain’s chairs with ISOFIX/LATCH
- Sleeping: convertible king-width bed, sleeps 2
- Kitchen: Elkay sink, Kohler motion faucet, 2-burner induction, Isotherm Drawer 85 fridge
- Bathroom: indoor wet bath, Laveo Dry Flush toilet, exterior rear shower
- Water: 64 gallons fresh, 25 gallons gray, Webasto hydronic hot water
- Power: 800Ah lithium, 2,000W inverter, alternator charging, rooftop solar, 30A shore power
- Climate: Dometic RTX 2000 12V A/C, Webasto EVO 40 diesel heater, MaxxAir fan
- Off-road: Van Compass Stage 6.3 2-inch lift, Falcon 3.3 struts, 45-gallon fuel tank, Owl Vans winch bumper, rock sliders
- Location: San Francisco, California
Highlights
- A rare camper van with four belted seats and car-seat anchors
- AWD Sprinter 3500XD with a full Van Compass lift and over 700 miles of range
- Indoor wet bath with continuous hot water and 64 gallons of fresh water
- 800Ah lithium bank that runs 12V A/C and induction cooking
- Under 7,100 miles, sold through escrow
Learn More
See all 50 photos and contact the seller on Vanlife Trader. If you like this kind of rig, see the Activan Jackson 144, a shorter AWD Sprinter with a tiled shower, and browse more van conversions for sale.
Would you take your kids on the road in a van like this?
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Disclosure: This post may contain affiliate links. If you purchase through one of our links, we may earn a commission at no additional cost to you.
Alex
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