Mercedes R171 W204 W212 Automatic Gearbox 722906 722.906 1712703500 WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

Mercedes R171 W204 W212 Automatic Gearbox is a factory-original automatic transmission from the Automatic gearboxes group, designed for Mercedes mid-size models. This OEM solution allows for professional drivetrain repair while maintaining the original operating characteristics and gear-shifting comfort.

Specifications and technical data

• SKU: A1712709600-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1712709600
• Substitutable numbers: A1712709600, A 171 270 96 00, 1712703500, 171 270 35 00, A1712703500, A 171 270 35 00, A1712703600, A 171 270 36 00
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics of the gearbox

The presented gearbox belongs to the group of Mercedes automatic transmissions, designed for seamless cooperation with engines mounted in the W204 and W212 series. The automatic design ensures stable torque transfer, optimized for daily use, highway driving, and urban conditions.

The automatic transmission type implies an integrated gear-shifting control system that minimizes jerking and allows the engine to be kept in the optimal RPM range. As a result, the drivetrain maintains predictable, repeatable behavior, which is essential for both driver comfort and the durability of other components.

Application in Mercedes W204 and W212

The gearbox was developed with the chassis and drivetrain architecture used in the Mercedes C-Class (W204) and E-Class (W212) in mind. This means appropriate mounting points and compatibility with factory half-shafts, the driveshaft, and the vehicle's standard control systems.

By maintaining the manufacturer's original specifications, the transmission works with the vehicle's factory controllers and electrical installation, which facilitates installation and limits the need for additional modifications. This solution is particularly beneficial for repairs where the priority is to restore the drivetrain's original operating parameters.

Benefits of using an original automatic gearbox

Choosing this gearbox allows you to maintain the consistency of the entire drivetrain with the assumptions of Mercedes engineers. The original transmission provides:

• consistent operation with the vehicle's factory control software,
• predictable gear-shifting characteristics,
• proper fitment with standard mounting elements,
• the possibility of professional regeneration or service in specialized workshops.

The used condition means that the part comes from dismantling, which in practice allows for economical repair while maintaining the original build quality characteristic of the Mercedes brand.

Selection and compatibility verification

To correctly select the gearbox for a specific engine version and model year, it is crucial to compare the OEM part number and available interchangeable numbers with the vehicle's specifications. It is also worth verifying the type of automatic transmission used in the service documentation or via the VIN number, which minimizes the risk of incompatibility.

In case of doubt, it may be useful to use a guide on purchasing used transmissions. A detailed discussion of the differences between manual, automatic, and DSG gearboxes, typical faults, and how to assess technical condition can be found in the article: Gearbox: manual, automatic or DSG – typical faults and a guide to buying a used gearbox.

Practical tips for installation and operation

During installation, it is recommended to follow the service procedures provided for the W204 and W212 models, including proper preparation of the transmission oil cooling system and correct system bleeding. After installation, it is worth performing a gearbox adaptation in the vehicle's controller to ensure smooth, stable gear shifting.

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, control elements, or related components, check the available parts in the category Mercedes automatic gearboxes.

Additional information on when it is worth choosing a used OEM part versus a new replacement, along with a comparison of costs and quality, can be found in the guide: New or used? A comparison of costs and quality of car parts.