Mercedes W204 W211 W212 Automatic Gearbox 722902 722.902 A2122702301 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 W211 W212 Automatic Gearbox 722902 722.902 A2122702301 WARRANTY is a factory-original automatic transmission from the Automatic transmissions group, designed for Mercedes mid-size models. This is a solution for users expecting smooth drivetrain operation, the preservation of original gear-shifting characteristics, and high compatibility with the vehicle's factory electronics.

Specifications and technical data

• SKU: A2122704400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2122704400
• Substitutable numbers: A2122704400, A 212 270 44 00, A2122702301, A 212 270 23 01, 2122702301
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics of the automatic transmission

The presented transmission belongs to the Automatic transmissions group used in Mercedes W204 and W212 models. The automatic design ensures sequential, electronically controlled gear shifting, which translates into stable acceleration, reduced jerking, and comfortable drivetrain operation in both city and highway driving.

The automatic transmission type has been designed to work with factory engine control units and safety systems, which allows for maintaining the gear-shifting strategies, load response, and proper torque utilization of the powertrain as intended by the manufacturer.

Application in Mercedes W204 and W212

Mercedes W204 W211 W212 Automatic Gearbox 722902 722.902 A2122702301 WARRANTY is dedicated to platforms designed for factory automatic transmission installation. This allows for the preservation of original cable routing, mounts, and compatibility with the vehicle's existing electrical harness.

Such a fit is significant both when replacing a damaged transmission and when restoring the car to its factory specification after previous modifications. It facilitates workshop operations, reduces installation time, and minimizes the risk of communication issues between the transmission and the vehicle's control units.

Benefits of installing an original automatic transmission

Using an original automatic transmission in a Mercedes brings a number of practical benefits:

• preservation of factory gear-shifting characteristics and drivetrain operation,
• consistency with the vehicle's electronic systems, including safety and comfort features,
• reduction of the need for mechanical and electrical adaptation during installation,
• the ability to restore the driving parameters intended by the manufacturer.

For workshops and users, this means a more predictable replacement process and easier diagnostics after installation, as the drivetrain remains consistent with the factory configuration.

Condition, verification, and component selection

The offered transmission is a secondary market component, which allows for optimizing repair costs while maintaining the original design. Before installation, a standard workshop procedure is recommended: checking for leaks, verifying mounting points, inspecting electrical connectors, and preparing the system for adaptation in accordance with service procedures for Mercedes automatic transmissions.

To select the appropriate transmission for a specific engine and equipment version, it is worth paying attention to the markings used by the manufacturer and comparing them with the vehicle's data. This helps avoid discrepancies in gear ratios, control, and software.

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

Expert support in choosing a used transmission

When purchasing a used automatic transmission, it is crucial to understand typical signs of wear, verification methods, and the principles of proper installation and adaptation. A detailed discussion of the differences between manual, automatic, and DSG transmissions, as well as practical tips on buying a used transmission, can be found in the article Transmission: manual, automatic, or DSG – typical faults and a guide to buying a used transmission. This will help you better assess whether the presented automatic transmission will be the right solution for your car.