Mercedes W204 W212 W221 Automatic Gearbox 722903 722.903 A2212709803 WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

Mercedes W204 W212 W221 Automatic Gearbox 722903 is a used, original automatic transmission from the Automatic gearboxes family, designed for high-end Mercedes models. It is a solution for users who expect factory compatibility, predictable drivetrain performance, and driving characteristics consistent with the manufacturer's standards.

Specifications and technical data

• SKU: A2212709803
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2212709803
• Substitutable numbers: A2212709803, A 221 270 98 03, A2122703503, A 212 270 35 03, A0002701852, A 000 270 18 52
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical specifications and intended use

The presented gearbox belongs to the group of Mercedes automatic transmissions, designed to work with engines installed in W212 and W221 bodies. The automatic design ensures smooth gear shifting, stable torque transfer, and comfortable operation in typical road and highway conditions.

The control and hydraulic system of this gearbox is optimized for cooperation with the vehicle's factory electronics, which allows for maintaining the correct gear shifting strategies, driving modes, and operating logic known from the original Mercedes configuration.

Benefits of using an original Mercedes automatic transmission

Using this transmission instead of a worn or damaged component allows for restoring proper drivetrain operation without the need for modifications to the installation or software. Key advantages include:

• factory fitment to the drivetrain and control system in W212 / W221 models,
• maintenance of gear shifting characteristics consistent with the manufacturer's specifications,
• reduction of compatibility risk compared to aftermarket replacements,
• possibility to utilize the existing electrical and mechanical architecture of the vehicle.

For the user, this means more predictable vehicle behavior, proper throttle response, and consistent operation with driver assistance systems.

Condition, verification, and fitment

The offered gearbox is a used component, which in practice allows for reducing repair costs while maintaining the original design. Before installation, a standard workshop procedure is recommended: leak check, verification of mounts, oil and filter change according to the vehicle manufacturer's recommendations, and gearbox adaptation using an appropriate diagnostic tester.

The selection of the transmission for a specific car configuration should always be based on the vehicle's identification data and part numbers. The product has a dedicated OEM number and interchangeable numbers, which facilitates precise matching to a given Mercedes unit for professional workshops and parts sellers.

Application in service practice

An automatic transmission of this type is often chosen for:

• repairs after mechanical failure or damage to the hydraulic system,
• cases where full regeneration of the existing transmission is not cost-effective,
• comprehensive drivetrain overhauls in high-end vehicles.

For workshops specializing in the Mercedes brand, this is a practical solution that allows for shortening vehicle downtime and limiting the number of operations associated with deep interference in the existing gearbox.

Mercedes automatic transmissions – expansion and selection

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 additional transmissions, replacement components, or complete service kits, check the available parts in the Mercedes automatic transmissions category.

Substantive support when choosing a used gearbox

When purchasing a used automatic transmission, it is worth knowing the typical symptoms of wear, design differences between individual generations, and good installation practices. A detailed discussion of these issues, along with practical tips regarding selection and operation, can be found in the article: Gearbox: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox.

Summary

Mercedes W204 W212 W221 Automatic Gearbox 722903 is a solution for users and workshops that prioritize original design, predictable drivetrain performance, and technically correct fitment for premium class vehicles. A properly selected and installed automatic transmission allows for restoring driving comfort, smooth gear shifting, and functionality consistent with the factory Mercedes specifications.