2025 Mercedes-Benz GLS-Class transmission: CVT or automatic?
No. The 2025 Mercedes-Benz GLS-Class uses a 9-speed automatic - none of its EPA-listed configurations has a CVT.
Key takeaways
- 2 EPA-certified configurations listed for the 2025 Mercedes-Benz GLS-Class.
- No CVT here - use the automatic or manual transmission fluid your owner's manual specifies.
- The transmission can differ by engine and drive layout, so match your row by engine size.
| Engine | Transmission | EPA code | Drive |
|---|---|---|---|
| 3.0L 6-cylinder turbo hybrid mild hybrid | 9-speed automatic | Automatic 9-spd | AWD |
| 4.0L 8-cylinder turbo hybrid mild hybrid | 9-speed automatic | Automatic 9-spd | AWD |
Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov). Each row is one certified configuration; a trim or option not sold in a configuration is not listed.
Useful for the 2025 Mercedes-Benz GLS-Class
Transmission fluidMatch the specification in your owner's manualShop fluid Fluid transfer pumpFor transmissions filled through a side plugShop pumps
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