2022 Mercedes-Benz Sprinter Fluid Type Specifications

Quick reference

Fluid	Type/Spec	Capacity
Engine Oil	MB-Approval 229.51 / 229.52 / 229.61 (5W-30)	Varies by engine (consult manual)
Engine Coolant	MB 325.5 or MB 325.6 (silicate-free OAT)	Varies by engine (consult manual)
Transmission Fluid	MB-Approval 236.15 (NAG3 transmission)	Varies by transmission (consult manual)
Differential Oil	MB-Approval 235.61 (Hypoid Gear Oil)	Varies by axle (consult manual)
Brake Fluid	DOT 4 Plus (MB-Approval 331.0)	Consult owner's manual
Power Steering	MB-Approval 236.3 (ATF Type A suffix A)	Consult owner's manual
Windshield Washer	Mercedes-Benz SummerFit or WinterFit concentrate	Consult owner's manual
Diesel Exhaust Fluid (DEF)	ISO 22241	Consult owner's manual

Engine Oil

For the 2022 Mercedes-Benz Sprinter, the correct engine oil is crucial for performance and longevity, especially given the range of diesel and gasoline engines offered. Mercedes-Benz specifies oils meeting their own strict standards, commonly MB-Approval 229.51, MB-Approval 229.52, or MB-Approval 229.61. These are typically 5W-30 viscosity grades, formulated as low-ash (low SAPS) oils to protect emissions systems, particularly the Diesel Particulate Filter (DPF) in diesel models. Always verify the specific MB-Approval number required for your engine in your owner's manual.

Intervals: Mercedes-Benz Sprinters typically have extended oil change intervals, often around 15,000 to 20,000 miles or annually, whichever comes first. However, driving conditions and vehicle usage (e.g., heavy towing, frequent short trips) can necessitate more frequent changes. Always adhere to the service indicator in your vehicle or the specified interval in your owner's manual.

Common Pitfalls: Using an oil that does not meet the specified MB-Approval can lead to premature wear, reduced fuel economy, and potential damage to emission control devices. Do not use oils merely labeled "API SN" or "API SP" without the corresponding MB-Approval, as these may not meet the specific additive requirements for Mercedes-Benz engines.

Engine Coolant

The 2022 Mercedes-Benz Sprinter requires a specific silicate-free, Organic Acid Technology (OAT) coolant. The correct factory specifications are MB 325.5 or MB 325.6. These coolants are typically blue or blue-green in color and are designed for long-life performance and aluminum engine protection.

Intervals: Mercedes-Benz coolants are designed for extended service intervals, often lasting up to 10 years or 150,000 miles. However, it's good practice to inspect the coolant level and condition periodically. If the coolant appears discolored or murky, or if you're unsure of its history, it's best to have it professionally replaced.

Common Pitfalls: Never mix different types of coolants, especially OAT with traditional (silicate-containing) coolants. Mixing can lead to silicate dropout, gel formation, and corrosion, severely damaging the cooling system. Only use coolant that explicitly states compliance with MB 325.5 or MB 325.6. Always use distilled water if diluting concentrated coolant.

Transmission Fluid

The most common automatic transmission in the 2022 Sprinter is the NAG3 (9G-Tronic) unit. This transmission requires a specific fluid meeting MB-Approval 236.15. This is a low-viscosity, high-performance fluid designed for optimal shift quality and durability. Using any other fluid can lead to poor shift performance, transmission damage, and premature wear.

Intervals: Mercedes-Benz automatic transmissions often have "fill for life" claims, but many technicians and manufacturers recommend a fluid and filter change between 60,000 and 100,000 miles, especially under heavy-duty use. Consult your specific owner's manual or an authorized Mercedes-Benz service center for the recommended interval for your vehicle.

Common Pitfalls: Never use "universal" ATF or fluids that do not explicitly state MB-Approval 236.15. The wrong fluid can cause severe transmission damage, as the clutch materials and hydraulic systems are designed for the specific friction characteristics of the factory fluid.

Differential Oil

For the front and rear differentials of the 2022 Mercedes-Benz Sprinter, the specified gear oil typically corresponds to MB-Approval 235.61. This is a hypoid gear oil, commonly a 75W-90, designed to withstand the extreme pressures found in differential gearing. Always confirm the exact specification and viscosity in your owner's manual, as variations can exist depending on the axle type and whether it's a standard or limited-slip differential. If your Sprinter is equipped with a limited-slip differential (LSD), it may require an additive or a fluid specifically formulated for LSD applications.

Intervals: Differential fluid typically has a longer service life than engine oil, often ranging from 60,000 to 120,000 miles, or at specific intervals for severe duty. Check your owner's manual for the precise recommendations.

Common Pitfalls: Using an incorrect viscosity or fluid without the proper additives can lead to premature wear, noise, and potential failure of the differential. If you have an LSD, ensure the fluid used is compatible, or add the specified friction modifier.

Brake Fluid

Mercedes-Benz specifies a DOT 4 Plus brake fluid that meets MB-Approval 331.0 for the 2022 Sprinter. This fluid has a higher wet boiling point than standard DOT 4 fluids, providing greater resistance to brake fade and a longer service life.

Intervals: Brake fluid is hygroscopic, meaning it absorbs moisture over time, which lowers its boiling point and can lead to corrosion in the brake system. Mercedes-Benz typically recommends brake fluid replacement every two years, regardless of mileage.

Common Pitfalls: Never use DOT 5 silicone-based fluid, as it is not compatible with DOT 4 systems and can cause seal damage. Ensure any DOT 4 fluid used meets the "Plus" designation or MB-Approval 331.0 for optimal performance and longevity. Always use fresh fluid from a sealed container.

Power Steering Fluid

The power steering system in the 2022 Mercedes-Benz Sprinter typically requires an Automatic Transmission Fluid (ATF) that meets MB-Approval 236.3. This is often identified as an ATF Type A suffix A fluid or equivalent. Always verify the specific requirement in your owner's manual.

Intervals: Power steering fluid generally has a long service life, but periodic inspection for level and condition is recommended. If the fluid appears dark, has a burnt smell, or if you notice changes in steering feel, it may be time for a flush and refill. Some manufacturers recommend a change every 50,000 miles or 5 years.

Common Pitfalls: Using an incorrect fluid can lead to pump noise, hard steering, and eventual damage to the power steering pump and other components. Do not use generic power steering fluids unless they explicitly state compliance with MB 236.3.

Windshield Washer Fluid

While seemingly minor, using quality windshield washer fluid is important for clear visibility. Mercedes-Benz offers their own concentrates, such as SummerFit and WinterFit, which are designed to clean effectively without streaking and to prevent freezing in cold weather. Any high-quality, non-abrasive washer fluid should be acceptable, but avoid plain water, especially in freezing temperatures.

Intervals: Replenish as needed.

Common Pitfalls: Using only water can lead to mineral deposits, poor cleaning, and freezing in cold climates, potentially damaging the washer system.

Diesel Exhaust Fluid (DEF)

For diesel-powered 2022 Mercedes-Benz Sprinters equipped with Selective Catalytic Reduction (SCR) systems, Diesel Exhaust Fluid (DEF) is essential. The DEF must meet the ISO 22241 standard. This non-toxic solution of urea and deionized water is injected into the exhaust stream to reduce nitrogen oxide (NOx) emissions.

Intervals: DEF consumption varies depending on driving style, load, and environmental conditions. The vehicle's instrument cluster will notify you when the DEF level is low. Always top off with fresh, ISO 22241 compliant DEF.

Common Pitfalls: Never put DEF into the diesel fuel tank, or diesel fuel into the DEF tank; this will cause severe and costly damage. Only use DEF that meets the ISO 22241 standard. Using contaminated or non-compliant DEF can damage the SCR system and lead to costly repairs.

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