2025 Mercedes-Benz Sprinter: Transmission Fluid & Service

Quick answer

• Transmission make/model: Mercedes-Benz 9G-Tronic (9-speed automatic) or 7G-Tronic Plus (7-speed automatic)
• OEM fluid spec: Mercedes-Benz Genuine Automatic Transmission Fluid, MB 236.17 (9G-Tronic) or MB 236.15 (7G-Tronic Plus)
• Drain & fill capacity: Approximately 5.5-7.5 quarts (9G-Tronic) or 5.3-7.4 quarts (7G-Tronic Plus) - verify with dealer or service manual
• Full overhaul capacity: Approximately 9.5-10.6 quarts (9G-Tronic) or 9.5-10.2 quarts (7G-Tronic Plus) - verify with dealer or service manual
• Filter OEM part number: Verify with dealer or service manual
• Recommended service interval: 60,000 miles or 6 years (9G-Tronic) or 70,000 miles or 7 years (7G-Tronic Plus) for normal duty. 30,000-40,000 miles for severe duty or towing.

Fluid type explained

The 2025 Mercedes-Benz Sprinter is equipped with one of two advanced automatic transmissions: the 9G-Tronic 9-speed or the 7G-Tronic Plus 7-speed. The specific transmission will depend on the engine and drivetrain configuration. It is critical to use the correct OEM-specified fluid for your vehicle. For the 9G-Tronic, this is MB 236.17. For the 7G-Tronic Plus, it is MB 236.15. Using a non-approved fluid can lead to poor shift quality, transmission damage, and voiding of the vehicle's warranty.

Service procedure

A transmission service for the 2025 Sprinter can be performed in one of two ways: a drain and fill or a full fluid exchange. A drain and fill is the more common and less expensive option, involving draining the transmission fluid from the pan, replacing the filter, and refilling with fresh fluid. A full fluid exchange is a more thorough process that uses a specialized machine to pump out all of the old fluid and replace it with new. While a full exchange is more effective at removing contaminants, it is also more expensive and not always necessary.

Service interval

For normal driving conditions, the recommended service interval for the 9G-Tronic transmission is 60,000 miles or 6 years, whichever comes first. For the 7G-Tronic Plus, the interval is 70,000 miles or 7 years. However, for vehicles that are used for towing, heavy hauling, or in severe duty conditions (such as frequent stop-and-go driving, extreme temperatures, or dusty environments), the service interval should be shortened to 30,000-40,000 miles.

Common transmission problems

While the 9G-Tronic and 7G-Tronic Plus transmissions are generally reliable, some common problems have been reported. These can include rough shifting, delayed engagement, and fluid leaks. In some cases, these issues can be resolved with a software update or a fluid and filter change. However, more serious problems may require a transmission rebuild or replacement. It is important to have your vehicle inspected by a qualified technician at the first sign of any transmission issues.

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