Automatic Gearbox Mercedes W204 C207 W212 722903 722.903 2122705709 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 is an original component from the Automatic transmissions group, designed for Mercedes vehicles equipped with a 722.903 type transmission. This is a solution for users who expect factory compatibility, predictable drivetrain behavior, and a proven design without interfering with the vehicle's electronics or mechanics.

Specifications and technical data

• SKU: A2122707409
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2122707409
• Substitutable numbers: A2122707409, A 212 270 74 09, 2122705709, 212 270 57 09
• Gearbox type: Automatic
• Category: Automatic Transmission

Application and compatibility

The presented automatic transmission has been designed to work with powertrains used in Mercedes C-Class (W204), E-Class (W212), and E-Class Coupe (C207) models. This ensures the preservation of correct mounting points, appropriate gear ratios, and proper cooperation with the vehicle's factory control systems, without the need for structural modifications.

Thanks to the preservation of the original drivetrain architecture, installation in the vehicle follows standard workshop procedures, using factory mounting points and stock accessories. This solution is particularly beneficial when replacing a damaged transmission in vehicles used on a daily basis.

Construction and operating characteristics

The transmission belongs to the group of automatic torque converter transmissions, which ensures smooth gear shifting and comfortable starting and acceleration characteristics. The design is optimized for cooperation with Mercedes electronic systems, including safety and traction control systems.

Automatic gear shifting allows for:

• reduced driver workload in urban traffic,
• stable torque transfer at higher speeds,
• better protection of drivetrain components due to controlled gear changes.

For the user, this means predictable vehicle behavior, consistent with the manufacturer's factory specifications, without the risk of incompatibility typical of aftermarket parts of uncertain origin.

Benefits of choosing an original used automatic transmission

Choosing an original, used automatic transmission for a Mercedes is often a more rational solution than the costly regeneration of an uncertain component. You receive a complete unit with preserved factory specifications, which facilitates diagnostics, coding, and subsequent service.

The main advantages of this solution include:

• factory fitment for the specific generation of W204, C207, and W212 models,
• preservation of the original drivetrain operating parameters,
• the possibility of quick replacement of a damaged transmission without long vehicle downtime.

For workshops and individual users, this means predictable installation time and a reduction in the risk of additional costs associated with adapting non-original solutions.

Condition, verification, and preparation for installation

The component comes from disassembly and is offered as a used automatic transmission for Mercedes. Such components are typically chosen by mechanics and customers looking for a compromise between repair costs and maintaining the factory drivetrain design.

Before installation, standard service procedures typical for automatic transmissions are recommended, such as checking for leaks, verifying the condition of accessories, and using oil with the specifications recommended by the vehicle manufacturer. Correct installation and adaptation of the transmission in the vehicle are crucial for its further operation.

Technical support and additional information

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

To compare approaches to transmission repair, it is worth reading the material describing the differences between regeneration and the use of original components – especially in the context of costs and durability. You can find more on this topic in the article Manual transmission failures in cars – why is an original used part a more sensible choice than regeneration?.