Mercedes W204 W212 W221 Automatic Gearbox 722908 722.908 A2122705204 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 722908 is an original, used automatic transmission from the Automatic gearboxes family, designed for selected Mercedes models. It is a solution for users who expect factory compatibility, predictable drivetrain behavior, and stable transmission operation without the need for costly refurbishment.

Specifications and technical data

• SKU: A2122707503
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2122707503
• Substitutable numbers: A2122707503, A 212 270 75 03, A2122707505, A 212 270 75 05, A2122705204, A 212 270 52 04
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics and intended use

The presented gearbox belongs to the group of Automatic gearboxes used in mid-size and luxury Mercedes vehicles. The design has been engineered for smooth gear shifting, optimized fuel consumption, and driving comfort in both city and highway traffic. Automatic gear selection relieves the driver, ensuring predictable drivetrain responses during both relaxed and dynamic driving.

The original origin of the transmission ensures the preservation of factory operating parameters, such as shift characteristics, cooperation with vehicle electronics, and proper fitment for engines specified by the manufacturer. As a result, the gearbox can be used as a direct replacement for a damaged unit in W204, W212, and W221 series vehicles without the need for installation modifications.

Benefits of choosing an original used automatic gearbox

Choosing an original, used automatic gearbox is a solution that in many cases allows for reduced repair costs while maintaining high functionality. Compared to non-factory refurbishment, a ready-to-install transmission from dismantling often provides:

• preservation of factory operating characteristics and gear shift logic,
• guaranteed compatibility with factory control unit software,
• no need for interference with the mechanism's construction,
• shorter vehicle downtime – installation of a ready-made component instead of long-term refurbishment.

For users considering different repair scenarios, an article describing the cost-effectiveness of purchasing original components from dismantling may be helpful – more information can be found in the material on choosing an original used gearbox instead of refurbishment.

Vehicle integration and installation aspects

The automatic gearbox from this series has been developed with full integration into the Mercedes drivetrain and electronic system in mind. Proper fitment to factory mounts, the driveshaft, and the transmission oil cooling system facilitates workshop work and reduces the risk of post-installation issues. Correctly matching the transmission to the specific engine version and model year of the vehicle allows for the proper functioning of features such as drive modes, cooperation with safety systems, or adaptive shift strategies.

Before purchasing, it is worth verifying the compatibility of the gearbox with your specific vehicle using the car's identification data and technical information provided by the manufacturer. This makes the installation process smoother and minimizes the risk of incompatibility.

Application in daily use

The automatic transmission in a Mercedes is responsible not only for comfort but also for protecting other drivetrain components. A correctly selected and functional gearbox limits the loads transferred to the engine and drivetrain, which translates into stable operation of the entire powertrain. In city traffic, it ensures smooth starting and gear shifting, while on the road, it maintains optimal engine RPM, supporting economical driving.

In the case of premium vehicles such as the Mercedes W204, W212, or W221, a properly selected automatic gearbox has a significant impact on perceived comfort, refinement, and the vehicle's value on the secondary market. Maintaining the original drivetrain configuration is particularly important for drivers who expect the car to behave consistently with the manufacturer's specifications.

Drivetrain expansion in Mercedes

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 gearboxes category.