Product Overview
This listing is for a used Gearbox 722.9 7-Speed designed for the Mercedes-Benz W221 S350. Each unit is carefully selected to ensure smooth shifting performance, durability, and compatibility with original factory specifications. The 722.9 transmission (7G-Tronic) is a key drivetrain component that delivers efficient power transfer and enhanced driving comfort. Whether you are replacing a faulty transmission or restoring vehicle performance, this part offers a reliable and cost-effective solution.
Key Features
-Designed specifically for the Mercedes-Benz W221 S350 platform-
-OEM 722.9 7-Speed Automatic Transmission (7G-Tronic)
-Provides smooth and efficient gear shifting
-Enhances fuel efficiency and driving comfort
-Built to match original mounting points and drivetrain connections
-Cleaned, inspected, and tested for proper operation
-Compatible with W221 S350 variants (verify engine compatibility)
Compatibility & Fitment
This component is compatible with Mercedes-Benz W221 S-Class S350 models equipped with the 722.9 7-speed transmission. It is designed to integrate seamlessly with the original drivetrain system.
Fitment:
Mercedes-Benz W221 S-Class S350 (2005–2013)
Placement on Vehicle:
Drivetrain – Transmission / Gearbox Assembly.
Condition & Inspection
This is a genuine used OEM gearbox sourced from a W221 donor vehicle. Each unit is thoroughly inspected for shift performance, internal condition, and external integrity. Minor cosmetic signs such as surface wear or aging may be present due to prior use, but these do not affect functionality when properly serviced and installed.
Installation Information
The gearbox is designed as a direct replacement component and mounts to the engine and drivetrain system. Installation involves connecting transmission lines, mounts, and electronic controls. Professional installation and coding/adaptation reset are strongly recommended to ensure proper operation.
Advantages
Choosing this used OEM Mercedes W221 722.9 Gearbox provides an affordable solution for restoring smooth transmission performance and driving comfort. OEM components ensure precise fitment, reliability, and correct shifting characteristics compared to aftermarket alternatives. Reusing original parts also supports environmentally responsible vehicle maintenance while maintaining the authenticity and value of your Mercedes-Benz W221.
An excellent choice for restoring smooth and efficient gear shifting in your Mercedes-Benz W221 S350.
