Mercedes Sprinter 28 Gallon Spare Water Tank

Unlock valuable storage space and increase your water capacity with the Mercedes Sprinter 28 Gallon Spare Water Tank—engineered to fit directly into the factory spare tire location on Sprinter 2500 vans. No additional brackets, frame modifications, or extra hardware required.

This tank is ideal for camper van conversions, overland vehicles, and adventure rigs needing fresh or grey water storage while keeping interior space free.

Key Features

Direct-Fit Installation (No Extra Hardware Needed)

Designed to mount exactly where the spare tire sits on Sprinter 2500 models. Uses factory hardware and the OEM tire carrier—no drilling, cutting, or added brackets.

 

Note:

• Sprinter 170 EXT models may have different bracket configurations—verify before ordering.

• Dually (3500) vans may require dropping the brackets or adding spacers due to narrower wheel fitment—measure your van first.

28-Gallon High-Capacity Water Storage

Perfect for fresh or grey water applications:

• 28-gallon capacity

• Massive storage without sacrificing interior space

• Ideal for full-time vanlife, showers, sinks, outdoor sprayers, or long off-grid stays

Safe, Durable Construction

• Made from BPA-free, food-grade plastic

• IAPMO TS-4 Certified for water safety

• Rugged design built for underbody mounting

• 28 lbs empty weight

Smart Port Layout (Easy Plumbing Options)

Driver Side Ports:

• (2) × 1.5" NPT ports

• (1) × 1/2" NPT port

Top Ports:

• (1) × 1.5" NPT port

• (1) × 1/2" NPT port (ideal for a float sensor, vent, or inspection access)

Important:
This tank is not pressurized. A vent line is required for proper operation.

Dimensions

• 28" W × 30" L × 10" H

• Designed to fit Mercedes Sprinter 2500 (2007–Present)

• Compatible with:

  • Winnebago Revel

  • Storyteller Overland

  • Most aftermarket camper builds

Why Choose This Tank for Your Sprinter?

✔ Uses existing spare tire mounting system
✔ No lost interior space
✔ Ideal for fresh or grey water
✔ Simple hookup with accessible ports
✔ Durable, certified, and vanlife-tested

Upgrade your off-grid capability with the Mercedes Sprinter 28 Gallon Spare Water Tank—the smartest way to add water storage while keeping your van’s interior clean, open, and efficient.