Mercedes W204 W212 W221 Automatic Gearbox 722906 722.906 2212701301 WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

Mercedes W204 W212 W221 Automatic Gearbox 722906 722.906 2212701301 WARRANTY is a factory-original automatic transmission from the Automatic transmissions family, designed for selected Mercedes models. This is an OEM solution that allows for a technically correct replacement of a worn-out gearbox while maintaining the original drivetrain characteristics and gear-shifting comfort.

Specifications and technical data

• SKU: A2212708730
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2212708730
• Substitutable numbers: A2212708730, A 221 270 87 30, 2212701301, 2212701601
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and compatibility

The offered automatic transmission is designed for use in Mercedes C-Class, E-Class, and S-Class vehicles of the appropriate generations. The transmission design is adapted to factory mounting points, stock half-shafts, and the original control system, which facilitates installation in place of the existing unit without the need for modifications to the body or drivetrain structure.

By adhering to manufacturer standards, the gearbox works with factory control units, the wiring harness, and the oil cooling system, allowing for the maintenance of the drivetrain's original performance parameters.

Construction and operating characteristics

This is an automatic transmission in which gear changes occur without driver intervention, based on signals from sensors and the control unit. The transmission ensures smooth gear shifting, optimized for driving comfort and efficient use of the engine's torque.

The hydraulic and electronic system of this gearbox has been developed to maintain stable oil pressure, precisely control internal clutches and brakes, and minimize jerking during gear changes. Proper gear calibration promotes both relaxed city driving and dynamic highway performance.

Use in service practice

The presented transmission is particularly useful in situations where the existing gearbox in the vehicle shows signs of severe wear, such as gear slipping, delayed engagement, or control unit errors. Replacing the complete unit with an original automatic transmission often allows for shorter repair times compared to extensive regeneration of internal components.

In workshops specializing in the Mercedes brand, such a gearbox can serve as a base for further service, including oil and filter changes, as well as electronic adaptation according to manufacturer procedures. This makes it possible to restore proper drivetrain operation while maintaining the vehicle's predictable road behavior.

Condition and benefits of choosing a used gearbox

The offered gearbox comes from the secondary market, which allows for lower repair costs compared to purchasing a brand-new unit. For many Mercedes users, this is a reasonable compromise between financial expenditure and maintaining the original drivetrain design.

Choosing a used OEM transmission enables compliance with the vehicle's factory specifications, which is important for both durability and subsequent computer diagnostics. With proper installation, the use of the correct oil, and the performance of an adaptation, such a gearbox can provide stable, predictable operation for a long service life.

Additional technical information and support

Before installation, it is recommended to verify the gearbox's compatibility with the specific engine version and model year, preferably based on catalog data or part numbers, as well as to consult with a mechanic specializing in Mercedes automatic transmissions. This helps avoid issues with control compatibility, gear ratios, and associated equipment.

If you are planning a comprehensive repair or upgrade of the drivetrain in your Mercedes and need other components from the same group, such as other automatic transmissions, housings, or control elements, check the available parts in the Mercedes automatic transmissions category.

To better understand the differences between manual transmissions, classic automatics, and dual-clutch gearboxes, and to learn practical tips on purchasing a used gearbox, it is worth reading the guide: Gearbox: manual, automatic, or DSG – common faults and a guide to buying a used gearbox.