2025 Mercedes Sprinter 144″ Switchback S4 by Vanworks

The 2025 Vanworks Switchback S4 Sprinter 144″ is designed for travelers who want the freedom to explore without sacrificing comfort. Built on the AWD Mercedes-Benz Sprinter 144″ chassis, this RVIA-certified camper van combines off-grid capability, premium craftsmanship, and a versatile four-person floorplan that is equally at home on weekend getaways or extended adventures.

Inside, you’ll find a thoughtfully designed living space featuring Vanworks’ premium aluminum cabinetry, comfortable sleeping arrangements for up to four people, a fully equipped galley kitchen, and a powerful lithium electrical system that allows you to travel confidently off the grid. Whether you’re heading to the mountains, the desert, or the coast, the Switchback S4 is built to help you stay comfortable wherever the road takes you.

Features & Equipment

Chassis & Exterior

• Mercedes-Benz Sprinter 144″ AWD Chassis

• Roof Rack System

• Fiamma Awning with Integrated LED Lighting

• Running Boards

• Front Window Tint

• Vented Side Windows

• Rear Gear Garage Storage Area

• Hot & Cold Rear Spray-Off Station

Electrical & Off-Grid Power

• EcoFlow Lithium Battery System

• 10,000Wh Battery Capacity

• 3,600W Inverter

• 400W Solar Charging System

• Shore Power Hookup

• Multiple 120V Outlets

• USB Charging Ports

• LED Interior Lighting

Climate Control

• 48V Rooftop Air Conditioner

• Espar Diesel Heater

• MaxxAir Deluxe Roof Fan

Kitchen

• Aluminum Cabinetry with Premium Finishes

• Bamboo Countertops

• Deep Stainless Steel Sink

• Hot Water System

• Novakool Refrigerator/Freezer

• Portable Induction Cooktop

• Kitchen Storage

Sleeping & Living Area

• Sleeps Up to 4 People

• Queen-Size Bed

• Removable Three-Panel Bed System

• Lower Bunk / Dinette Conversion

• Swivel Driver & Passenger Seats

• Flexible Dining & Lounge Space

Storage & Utility

• Dedicated Water Cabinet

• Dedicated Electrical Cabinet

• Overhead Storage Cabinets

• Rear Garage Storage Area

• Gear-Friendly Layout for Bikes, Skis, and Outdoor Equipment

Vanworks Quality

• RVIA Certified

• Premium Aluminum Cabinetry

• Built by Vanworks in Loveland, Colorado

• Backed by a 3-Year / 36,000-Mile Vanworks Build Warranty

The Switchback S4 is one of Vanworks’ most versatile floorplans, offering exceptional sleeping capacity, generous storage, and robust off-grid capability in a compact 144″ wheelbase. Whether you’re embarking on a cross-country road trip or a spontaneous weekend adventure, this van is ready to help you make the most of every mile.