Mercedes W204 W212 W221 Automatic Gearbox 722908 722.908 A2042704005 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 automatic transmission from the Automatic gearboxes group, designed for vehicles with diesel engines. It is a solution for users expecting smooth gear shifting, stable drivetrain operation, and the preservation of factory driving characteristics in Mercedes vehicles.

Specifications and technical data

• SKU: A2042707102
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2042707102
• Substitutable numbers: A2042707102, A 204 270 71 02, 2042704005, A2042704005, A 204 270 40 05
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and technical characteristics

The presented gearbox belongs to the Automatic gearboxes group and is structurally adapted to work with diesel power units. This means appropriately selected gear ratios, converter operating characteristics, and shift logic optimized for the high torque typical of diesel engines.

The automatic transmission type ensures comfortable, predictable operation in city traffic and on the road, reducing jerking and driver fatigue. The applied hydromechanical transmission architecture enables efficient power transfer while maintaining the refinement expected in premium class cars.

Application in Mercedes W204, W212, W221 models

The 722908 gearbox was developed with Mercedes W204, W212, and W221 platforms in mind, which translates into proper fitment with factory drivetrains, control systems, and cooling systems. This makes it possible to maintain the original acceleration characteristics, cruise control operation, and compatibility with vehicle safety systems.

In vehicles with a diesel engine, a properly selected automatic transmission is crucial for the durability of the entire drivetrain. Using a gearbox designed for a specific family of models allows for reducing the risk of malfunction, excessive vibrations, or errors in communication with the vehicle's electronics.

Benefits of using an automatic gearbox in a diesel

In cars with a diesel engine, an automatic gearbox provides a number of practical advantages:

• smooth utilization of high torque across the full speed range,
• stable operation at low RPM, which promotes economical driving,
• better traction in urban conditions and on long routes,
• increased driving comfort thanks to the automation of the gear shifting process.

For users expecting quiet, predictable drivetrain operation in mid-size and luxury Mercedes cars, such a gearbox configuration with a diesel engine represents a balanced compromise between dynamics and comfort.

Used condition and installation aspects

The offered gearbox comes from the secondary market, which allows for reducing repair costs compared to purchasing a brand-new component. In practice, this is a frequently chosen solution for major transmission failures, especially in vehicles used intensively or with higher mileage.

Before installation, a standard workshop procedure is recommended: verification of compatibility with the specific engine version, inspection of the transmission oil cooling system, and preparation of the vehicle for gearbox adaptation in the ECU. Properly performed installation and adaptation allow for restoring correct drivetrain operation and maintaining the functionality of driver assistance systems.

Selecting the right gearbox and additional materials

When choosing a used automatic gearbox for a Mercedes, it is worth paying attention to compatibility with the fuel type, model generation, and the control system used. It may also be helpful to compare the cost-effectiveness of purchasing a used component versus regenerating the existing transmission – these issues are discussed in detail in the article Used gearbox – when is it worth it and what you need to remember.

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 transmissions, converters, or automatic control elements, check the available parts in the Mercedes automatic gearboxes category.