Automatic Gearbox Mercedes W204 W211 W212 722903 722.903 A2042704305 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 W211 W212 is an original, used automatic transmission from the 7G-Tronic family, designed for the C-Class W204 and E-Class W212 models. This is the solution for drivers who want to restore the proper operation of the drivetrain while maintaining the factory gear-shifting characteristics and compatibility with the vehicle's electronics. Thanks to the original Mercedes design, the gearbox ensures smooth operation and predictable vehicle behavior under various operating conditions.

Specifications and technical data

• SKU: A2042709202
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2042709202
• Substitutable numbers: A2042709202, A 204 270 92 02, A2042704305, A 204 270 43 05
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical specifications and intended use

The presented gearbox belongs to the Automatic gearboxes group and was designed specifically for Mercedes C-Class W204 and E-Class W212 vehicles. The transmission type used is an automatic gearbox, which means an integrated gear control system, adapted to work with the factory engine control unit and vehicle safety systems.

The automatic design of this unit ensures:

• smooth gear shifting without the need for a clutch pedal,
• stable torque transfer in typical road conditions,
• consistent operation with driver assistance systems, such as traction control or electronic stability programs.

Application in Mercedes W204 and W212

The Automatic Gearbox Mercedes W204 W211 W212 has been developed for full integration with the factory drivetrain architecture of these models. The appropriate gear ratios and operating characteristics are matched to the vehicle's weight, engine power, and controller calibration, which translates into predictable vehicle behavior during acceleration, engine braking, and constant-speed driving.

In practice, this means that after proper installation and adaptation:

• factory acceleration dynamics are maintained,
• gear changes occur within the RPM ranges familiar to the driver,
• the drivetrain works with comfort and safety systems in accordance with the manufacturer's specifications.

Benefits of choosing an original used gearbox

Choosing an original, used automatic gearbox for a Mercedes is a solution that allows you to reduce repair costs while maintaining a design consistent with factory standards. This type of transmission is particularly attractive to users who:

• are looking for parts matched to a specific vehicle generation without the need for modifications,
• want to maintain the original drivetrain operating characteristics,
• are planning a repair based on components from the same design family.

An additional advantage is the ability to verify compatibility using part numbers and interchangeable numbers, which facilitates the selection of the correct unit for a specific vehicle configuration.

Selection, installation, and operation

Before installation, it is recommended to carefully compare the gearbox parameters with the vehicle documentation and consult with a mechanic specializing in the Mercedes brand. Proper selection of the automatic transmission is crucial for compatibility with electronics, correct operation of driving modes, and the durability of the entire drivetrain.

During installation, it is important to, among other things:

• use the appropriate transmission fluid in accordance with the manufacturer's recommendations,
• properly bleed the system and check for leaks,
• perform gearbox adaptation procedures in the vehicle's control unit, if required.

To better understand when purchasing a used transmission is cost-effective and what to look for when choosing, it is worth reading the guide Used gearbox – when is it worth it and what you need to remember, which discusses the differences between manual and automatic transmissions as well as compatibility issues.

Technical support and additional information

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 torque converters, control elements, or additional transmission components, check the available parts in the Mercedes automatic gearboxes category.

To increase the durability of the installed transmission and other dismantled components, you can use the practical tips contained in the article How to extend the life of used car parts?, which describes proven methods for the operation and maintenance of drivetrain components.