Mercedes W212 C218 W222 Automatic Gearbox 722931 722.931 A2122707109 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 C218 W222 Automatic Gearbox 722931 722.931 A2122707109 WARRANTY is a factory-original automatic transmission from the Automatic gearboxes range, designed for premium Mercedes models. This used component is a cost-effective solution for drivers and workshops that require original design, predictable drivetrain performance, and guaranteed compliance with the manufacturer's factory standards.

Specifications and technical data

• SKU: A2122707109
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2122707109
• Substitutable numbers: A2122707109, A 212 270 71 09, 2122705409, A2122705409
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics and application

The offered gearbox belongs to the Mercedes Automatic gearboxes group, which ensures full integration with the factory drivetrain architecture, vehicle electronics, and transmission oil cooling system. The automatic design provides smooth gear shifting, stable torque transfer, and comfortable operation in typical road conditions, both in city driving and on the highway.

The transmission is dedicated to specific body versions of the W212, C218, and W222 series, which in practice translates into a precise fit for the housing, mounts, and connections to the driveshaft and control system. As a result, installation in the intended vehicle can be carried out in an orderly manner and in accordance with the manufacturer's service procedures.

Benefits of using an original automatic gearbox

Using an original automatic transmission in a Mercedes allows you to maintain the consistency of the entire drivetrain. The factory design ensures:

• retention of the gear-shifting characteristics intended by the manufacturer,
• proper cooperation with the factory engine and transmission control unit software,
• correct fitment for stock mounts and brackets,
• compatibility with standard service diagnostic tools.

For workshops and users, this means predictable vehicle behavior after repair and easier monitoring of transmission operating parameters during use. A used automatic gearbox of this class is often a reasonable compromise between repair costs and maintaining a high-quality component.

Selection by VIN/OEM and installation aspects

To ensure proper compatibility, it is recommended to select the gearbox based on vehicle data and catalog numbers. This helps avoid issues with differences in gear ratios, control types, or accessory configurations. A properly selected automatic transmission facilitates installation, reduces the need for mechanical adaptation, and minimizes the risk of communication errors with the vehicle's electronics.

Before installation, it is worth checking the condition of the oil cooling system, hoses, and mounts to ensure the entire drivetrain operates stably after the gearbox replacement. Professional installation and proper filling with the correct transmission oil are crucial for further trouble-free operation.

Why consider a used automatic gearbox

In the event of a transmission failure in a Mercedes, choosing a used component often allows for significant repair cost savings while maintaining the original design. A used automatic gearbox can be particularly attractive for vehicles that are several years old or older, where full refurbishment or purchasing a brand-new unit may not be economically justified.

If you want to better understand the differences between new, refurbished, and used drivetrain components, as well as learn practical tips on selection by VIN and catalog numbers, check out this article: Why it is worth buying used gearboxes and engines – facts instead of myths. This is a helpful addition to your knowledge when planning a drivetrain repair.

Expanding repairs within Mercedes automatic gearboxes

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 transmission housings, control elements, or accessory components, check out the available parts in the Mercedes automatic gearboxes category.