Mercedes W212 S212 Automatic Gearbox 722646 722.646 2122700500 WARRANTY

Listing details

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

Mercedes W212 S212 Automatic Gearbox is an automatic transmission from the Automatic transmissions family, designed for the E-Class S212/W212 series models. It is a solution for users who expect smooth gear shifting, stable drivetrain operation, and compliance with the original Mercedes manufacturer specifications.

Specifications and technical data

• SKU: A2122705600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2122705600
• Substitutable numbers: A2122705600, A 212 270 56 00, 2122700500, A2122700500
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics and purpose

The presented gearbox belongs to the Automatic transmissions group used in Mercedes E-Class S212/W212 generation vehicles. The automatic design ensures comfortable, predictable drivetrain operation, especially in city driving and on long routes, where smoothness and reduced jerking during gear changes are essential.

The automatic transmission type has been designed to work with the vehicle's electronics, safety systems, and driver assistance systems. As a result, the gearbox can correctly interact with factory control units, maintaining the gear-shifting characteristics intended for a given engine and body variant.

Application in Mercedes S212 / W212

The automatic gearbox dedicated to Mercedes S212 and W212 models is suitable as a replacement part in the event of a factory transmission failure or during a comprehensive drivetrain rebuild. Using an original design from the same transmission family allows for maintaining:

• consistency with factory control software,
• proper gear-shifting characteristics,
• compatibility with the existing electrical harness and equipment.

For owners of Mercedes E-Class S212/W212, this means the ability to restore proper drivetrain operation without the need for costly mechanical or electronic modifications.

Condition, origin, and benefits of choosing a used gearbox

The offered gearbox comes from dismantling and is marked as used, which allows for a significant reduction in repair costs compared to a brand-new component. At the same time, compliance with the solutions used by the vehicle manufacturer is maintained, which facilitates installation and subsequent operation.

Choosing a used automatic gearbox is a reasonable compromise between costs and functionality – especially in the case of intensively used cars, where a full replacement with a new component would be economically unjustified. An additional advantage is the possibility of matching the transmission by catalog and interchangeable numbers, which minimizes the risk of incompatibility.

What to look for when selecting a Mercedes automatic gearbox

When choosing this gearbox for your Mercedes, it is worth verifying:

• compatibility of the automatic transmission type with the engine version and vehicle year,
• information about the OEM part number and interchangeable numbers in the technical specification,
• type of control used (automatic transmission working with the appropriate vehicle controller).

Such an approach allows you to select a component that will work correctly with the existing installation, without the need for software or mechanical modifications. This is particularly important in modern Mercedes vehicles, where the gearbox is integrally linked to safety and comfort systems.

Technical support and additional information

If you want to better understand the differences between manual transmissions, classic automatics, and dual-clutch gearboxes, and learn how to consciously buy a used transmission, use the advice contained in the article Gearbox: manual, automatic or DSG – typical faults and a guide to buying a used gearbox. This is a practical supplement to your knowledge when planning a repair or replacement of the gearbox in your 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, housing, or control elements, check the available parts in the Mercedes automatic transmissions category.