Mercedes W212 Gearbox Planetary Gear Input Shaft Cluch Set 722.646 A2122705500

Mercedes W212 Gearbox Planetary Gear Input Shaft Cluch Set is a specialized component from the Automatic transmission parts group, designed for the drivetrain system in Mercedes vehicles. This used, original planetary gear set with input shaft allows for maintaining the factory performance characteristics of the transmission, ensuring stable torque transfer and predictable automatic gearbox operation.

Specifications and technical data

• SKU: A2202700943
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2202700943
• Substitutable numbers: A2202700943, A 220 270 09 43, A2122705500, A 212 270 55 00
• Category: Automatic Transmission Parts

Purpose and function in an automatic transmission

The described planetary gear set with input shaft operates in the central part of the automatic transmission, responsible for gear shifting and smooth power transmission between the engine and the wheels. Using an original Mercedes component allows for maintaining:

• consistency with the factory transmission design,
• proper cooperation with other clutch baskets, plates, and drums,
• stable gear shifting across the full load range.

As a result, the transmission maintains predictable shift points, which translates into driving comfort and proper operation of the control systems.

Benefits of using an original planetary gear set

Using an original planetary gear set with input shaft in a Mercedes is a solution that often technically and economically outperforms aftermarket replacements. This component ensures:

• factory geometric fitment to the transmission housing and other sub-assemblies,
• preservation of the automatic transmission's serial operating characteristics,
• lower risk of issues with adaptation and calibration of the transmission control unit.

For workshops specializing in automatic transmissions, this is a practical way to restore proper system operation without the need for a costly full transmission replacement.

Application in service and transmission regeneration

The planetary gear set with input shaft is particularly suitable for processes such as:

• regeneration of automatic transmissions in Mercedes vehicles,
• repairs following mechanical damage inside the gearbox,
• preventive replacement of worn modules during a comprehensive overhaul.

Utilizing a used, original component allows for optimizing repair costs while maintaining high quality and compliance with factory specifications. This solution is particularly valued in professional service centers specializing in Mercedes automatic transmissions.

Integration with other drivetrain components

The discussed assembly works with other internal transmission components, such as clutch baskets, friction plates, or drums, creating a cohesive drivetrain system. Proper dimensional and structural matching is crucial for:

• maintaining correct operating clearances,
• reducing vibration and noise during transmission operation,
• maintaining proper lubrication and cooling inside the gearbox.

This allows the transmission to operate under stable conditions, which promotes durability and reduces the risk of secondary damage after repair.

Technical support and part selection

This element belongs to the Automatic transmission parts group, so when selecting, it is worth paying attention to compatibility with the specific transmission version and vehicle model year. In case of doubt, a good solution is to compare the transmission configuration or consult a service center specializing in Mercedes automatics, which minimizes the risk of ordering errors.

If you are planning a comprehensive repair or upgrade of your Mercedes drivetrain area and need other elements from the same group, such as clutch baskets, drums, or friction plates, check the available parts in the Mercedes automatic transmission parts category.

Eco-tuning and the use of used parts

Choosing a used, original component aligns with the concept of responsible vehicle operation – it reduces waste and extends the life cycle of existing components. This approach is increasingly combined with eco-tuning, where performance improvements go hand-in-hand with reducing the carbon footprint. If you want to better understand how to consciously use recycled parts in your car, it is worth reading the article Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts.

Additional information on the benefits of using used, original Mercedes components and how to reasonably plan repairs for premium vehicles is also provided in the guide Used parts for Mercedes - original parts from dismantling, which can be helpful when making service decisions.