2023 Mercedes-Benz Sprinter: All Fluid Specifications

Mercedes-Benz Sprinter vans are legendary for their durability and versatility. Proper maintenance is key to their longevity, and that starts with using the correct fluids. This guide provides a comprehensive list of the factory-specified fluids for the 2023 Mercedes-Benz Sprinter (VS30 platform).

Quick Reference: 2023 Sprinter Fluid Specs

Fluid	Type/Specification	Capacity
Engine Oil (Gasoline)	MB 229.5 or MB 229.6, SAE 5W-40	~9.5 quarts (9.0 L)
Engine Oil (Diesel OM654)	MB 229.71, SAE 0W-20 or 5W-20	~12.2 quarts (11.5 L)
Engine Coolant	MB 325.6 / 326.6 (Pink/Violet)	~11.6 - 13.7 quarts (11.0 - 13.0 L)
Transmission Fluid	MB 236.17 (9G-TRONIC)	~9.5 quarts (9.0 L)
Transfer Case Fluid	MB 236.15 (Blue)	~1.1 quarts (1.0 L)
Front Differential Fluid	MB 239.71, SAE 75W-85	~0.8 quarts (0.75 L)
Rear Differential Fluid	MB 235.8, SAE 75W-90	~1.3 - 2.3 quarts (1.2 - 2.2 L)
Brake Fluid	DOT 4 Plus, MB 331.0	~1.0 quart (1.0 L)
Power Steering Fluid	N/A (Electric Power Steering)	N/A
Washer Fluid	MB 371.0 or quality commercial fluid	~7.4 quarts (7.0 L)
Diesel Exhaust Fluid (DEF)	ISO 22241 (AdBlue®)	~6.0 gallons (22.7 L)

Note: Capacities are approximate. Always verify with your owner's manual and use the dipstick or fill plug level to confirm the final fill amount.

Engine Oil

The 2023 Sprinter features two distinct engine families, each requiring a very specific type of oil. Using the wrong oil can lead to premature wear and damage to complex emissions systems.

• Gasoline (M274 2.0L I-4): These engines require a full synthetic motor oil meeting MB-Approval 229.5 or 229.6. The recommended viscosity is typically SAE 5W-40. Do not substitute with other specifications, as these oils contain specific additive packages designed for the engine's long service intervals and performance characteristics.
• Diesel (OM654 2.0L I-4): The newer OM654 diesel engine requires a modern, low-viscosity oil meeting MB-Approval 229.71. This corresponds to a viscosity of SAE 0W-20 or 5W-20. This is a "low SAPS" (Sulfated Ash, Phosphorus, and Sulfur) oil essential for protecting the Diesel Particulate Filter (DPF). Using an older or incorrect spec can rapidly clog the DPF, leading to costly repairs.

Engine Coolant (Antifreeze)

For the 2023 Sprinter, the factory coolant is a Si-OAT (Silicate-enhanced Organic Acid Technology) formula meeting MB-Specification 325.6 or 326.6. This coolant is typically pink or violet in color. It is critical not to mix this with older coolant types like the blue HOAT (Hybrid Organic Acid Technology) fluid (MB 325.0) used in previous Sprinter generations. Mixing coolant chemistries can cause gelling, blockages, and reduce the corrosion protection of the system. Always use pre-mixed MB 326.6 or dilute concentrate (MB 325.6) with distilled water to a 50/50 ratio.

Transmission Fluid (ATF)

All 2023 Sprinters are equipped with the 9G-TRONIC 9-speed automatic transmission. This advanced transmission requires a specific low-viscosity fluid, MB-Approval 236.17. It is often referred to as "ATF D9-matic". This fluid is not interchangeable with any other ATF, including previous Mercedes-Benz specifications like 236.14 (Red) or 236.15 (Blue). Using a "universal" or incorrect ATF will lead to severe shifting problems and eventual transmission failure.

Transfer Case & Differential Fluid (Gear Oil)

4x4 models have a transfer case and front differential that require specific fluids.

• Transfer Case: The single-speed transfer case requires a fluid meeting MB-Approval 236.15. This is a blue-colored, low-viscosity ATF, the same fluid used in some older 7-speed transmissions. Do not confuse it with the 9-speed's 236.17 fluid.
• Front Differential: The front axle requires a gear lubricant meeting MB-Approval 239.71, which is typically a SAE 75W-85 viscosity.
• Rear Differential: Most 2023 Sprinters specify a gear oil meeting MB-Approval 235.8, a SAE 75W-90 synthetic lubricant. Some heavy-duty configurations or those with specific axle options may have different requirements, so always verify with your VIN or owner's manual.

Brake Fluid

Mercedes-Benz specifies the use of DOT 4 Plus brake fluid meeting MB-Specification 331.0. This fluid has a higher boiling point than standard DOT 4, which is crucial for the performance of the Sprinter's traction and stability control systems (ESP). While standard DOT 4 can be used in an emergency, the system should be flushed with the correct DOT 4 Plus fluid as soon as possible. Never use DOT 3 or DOT 5 silicone-based fluid.

Power Steering Fluid

The 2023 Sprinter is equipped with an Electro-Hydraulic Power Steering (EHPS) or fully electric power steering system. There is no traditional hydraulic power steering pump or fluid reservoir to fill. No service is required.

Washer Fluid

For optimal cleaning performance and to prevent freezing, use a quality commercial washer fluid or the OEM Mercedes-Benz SummerFit / WinterFit concentrate, diluted according to the instructions. This helps prevent streaking and keeps the wiper nozzles clear.

Diesel Exhaust Fluid (DEF)

For diesel models, AdBlue® (DEF) is critical for the Selective Catalytic Reduction (SCR) system to reduce NOx emissions. The fluid must meet ISO 22241 specifications. This is the universal standard for all DEF sold in North America. Always purchase from a reputable source to avoid contamination, which can destroy the expensive SCR system components.

Using the correct, manufacturer-specified fluid for every component is the most important step in ensuring your 2023 Sprinter provides years of reliable service.

Find a trusted shop on Repairius.