Automatic Gearbox Mercedes W204 W211 W212 722902 722.902 2122702302 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 722902 722.902 2122702302 WARRANTY is a factory-original transmission from the Automatic gearboxes family, designed for Mercedes vehicles with diesel engines. This used unit ensures the original performance characteristics of the drivetrain, maintaining proper gear shifting quality and compatibility with the vehicle's factory electronics.

Specifications and technical data

• SKU: A2122708401
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2122708401
• Substitutable numbers: A2122708401, A 212 270 84 01, 2122702302, 212 270 23 02, A2122702302, A 212 270 23 02
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and technical specifications

The offered gearbox belongs to the Automatic gearboxes group used in Mercedes mid-size and premium models. The construction is prepared for integration with diesel power units, which means appropriately selected gear ratios, adapted torque converter characteristics, and correct load-bearing capacity of internal components.

Automatic transmission control ensures smooth gear changes, stable acceleration, and comfortable driving in both urban and highway conditions. The gearbox is designed to work with Mercedes electronic systems, such as engine control units and driver assistance systems, resulting in consistent operation of the entire drivetrain.

Benefits of using an original automatic gearbox

Using an original automatic gearbox in a Mercedes allows for maintaining factory driving parameters and predictable vehicle behavior under various load conditions. For the user, this means:

• consistent operation with factory control software,
• appropriately selected gear shifting characteristics for a diesel engine,
• maintaining the driving comfort typical of the Mercedes brand,
• easier diagnostics and service based on standard manufacturer procedures.

As a result, the gearbox is a functional solution both for repairing an existing system and for replacing a worn-out transmission with a proven used component.

Selection, compatibility, and installation aspects

To ensure proper fitment, it is crucial to verify the compatibility of the gearbox with the specific vehicle, particularly regarding the diesel engine type and the automatic control system used. In practice, this means checking compliance with vehicle documentation and using catalog numbers and manufacturer markings, which are detailed in the technical specification.

During installation, it is recommended to follow the service procedures provided for Mercedes automatic gearboxes, including proper preparation of the oil cooling system, correct filling of the working fluid, and electronic adaptation after installation. This approach minimizes the risk of improper transmission operation and allows for full utilization of its potential.

Why consider a used gearbox

A used automatic gearbox for a Mercedes is a solution that allows for significantly reducing repair costs compared to purchasing a brand-new unit, while maintaining the original design and performance parameters. In many cases, it is an economically justified alternative to rebuilding a heavily worn transmission, especially when the time required to get the vehicle back on the road is a priority.

If you want to better understand the differences between new, remanufactured, and used drivetrain components and learn practical tips for selection by catalog numbers, it is worth checking out the guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, selection procedures based on OEM numbers and example cost calculations.

Expanding repairs within the drivetrain

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mercedes and need other components from the same group, such as additional transmissions, compatible converters, or other variants of automatic gearboxes, check out the available parts in the Mercedes automatic gearboxes category.