Automatic Gearbox Mercedes W204 C207 W212 722902 722.902 A2212704302 WARRANTY

Listing details

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

Automatic Gearbox Mercedes W204 C207 W212 722902 722.902 A2212704302 is a factory-original automatic transmission from the Automatic gearboxes range, designed for the brand's mid-size and premium models. It is a solution for users expecting smooth gear shifting, stable drivetrain operation, and full compatibility with the factory architecture of the Mercedes vehicle.

Specifications and technical data

• SKU: A2212705502
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2212705502
• Substitutable numbers: A2212705502, A 221 270 55 02, A2212704302, A 221 270 43 02
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics and purpose

The offered gearbox belongs to the group of transmissions responsible for automatic gear control, integration with the engine management system, and safety systems in Mercedes vehicles. The design of this unit is engineered for high durability, stable torque transfer, and consistent performance under typical road conditions.

The automatic transmission type ensures comfortable driving in both city traffic and on the highway, reducing the need for driver intervention in gear selection. The applied hydraulic-mechanical solutions and electronic control (on the vehicle side) allow for precise adjustment of gear ratios based on load, speed, and driving mode.

Benefits of using an original automatic gearbox

Choosing this transmission as a replacement for a damaged unit in a Mercedes W204 or W212 allows you to maintain the factory performance characteristics of the drivetrain. A properly selected gearbox from this series:

• maintains predictable shift points, which translates into consistent vehicle behavior in various driving modes,
• works seamlessly with factory vehicle systems, such as electronic stability control or comfort features,
• helps reduce the risk of software and hardware compatibility issues typical of randomly selected replacements.

For the user, this means more predictable acceleration, better drivetrain refinement, and less stress on other drivetrain components.

Selection by part numbers and vehicle integration

This automatic gearbox is a component that should be selected based on vehicle data and manufacturer markings. In practice, this means verifying compatibility with the specific engine version, model year, and equipment configuration. This ensures proper interaction with the electrical harness, control unit, and transmission cooling system.

Before installation, it is recommended to consult with a mechanic or technical advisor to confirm the gearbox's compatibility with your specific vehicle. A correctly selected and installed transmission minimizes the risk of diagnostic errors, improper gear shifting, or premature wear of friction elements.

Condition, verification, and preparation for installation

The offered gearbox comes from the secondary market, which allows for significant repair cost savings compared to a new unit while maintaining the factory design. Before installation, standard service procedures are recommended, such as checking for leaks, changing the transmission fluid according to the vehicle manufacturer's recommendations, and verifying associated components (mounts, brackets, lines).

A transmission prepared in this way can be an effective solution both for post-failure repairs and for planned replacement of a worn unit to improve driving comfort and drivetrain performance.

Technical support and additional materials

To better plan your investment in a used transmission, it is worth reading a guide describing the real advantages and limitations of such solutions, selection procedures by part numbers, and sample cost calculations – this is discussed in detail in the article Why it is worth buying used gearboxes and engines – facts instead of myths.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mercedes and need other components from the same group, such as torque converters, control elements, or additional transmission sub-assemblies, check the available parts in the Mercedes automatic gearboxes category.