Mercedes ML W166 63 AMG Automatic Gearbox 722905 722.905 1662704900 WARRANTY

Listing details

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

Mercedes ML W166 63 AMG Automatic Gearbox is a factory-original automatic transmission from the Automatic transmissions family, designed for the high-performance petrol version. It is a used, genuine Mercedes component, providing a solid foundation for professional repair or replacement of the drivetrain in Mercedes ML W166 63 AMG models.

Specifications and technical data

• SKU: A1662705500
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1662705500
• Substitutable numbers: A1662705500, A 166 270 55 00, 1662704900, 166 270 49 00
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical specifications and intended use

The offered gearbox belongs to the group of Mercedes automatic transmissions dedicated to high-power petrol engines, ensuring appropriate mechanical durability and compatibility with the characteristics of the 63 AMG power unit. The automatic design has been engineered for smooth gear shifting, stable torque transfer, and comfortable operation under dynamic driving conditions.

The transmission works in conjunction with the vehicle's electronic control system, allowing for precise management of gear shifts, driving modes, and drivetrain protection against overloads. As a result, the gearbox performs well both in daily use and during the more intensive operation typical of AMG versions.

Benefits of using an original automatic transmission

Using an original automatic transmission in a Mercedes ML W166 63 AMG allows for maintaining factory drivetrain performance parameters and compatibility with the vehicle's existing installation. Proper matching to the petrol engine reduces the risk of malfunctions, jerking, or controller errors that often occur when using unsuitable replacements.

Choosing a used transmission from this series is a cost-effective solution that remains technically consistent with the manufacturer's specifications. For workshops specializing in the Mercedes brand, this means easier diagnostics, predictable gearbox behavior, and the ability to use standard service procedures.

Selection, installation, and service aspects

Before installation, it is recommended to verify the compatibility of the gearbox with the specific vehicle configuration, particularly regarding the petrol engine type, equipment version, and the control unit used. Correct selection of the transmission minimizes the need for additional adaptations and allows for an efficient installation procedure.

During installation, it is worth paying attention to:

• the condition of the transmission oil cooling system,
• the cleanliness of the lines and oil cooler,
• the selection of the appropriate automatic transmission fluid in accordance with the manufacturer's specifications,
• proper bleeding and adaptation of the gearbox after installation.

This approach increases the chances of stable, predictable transmission operation after replacement and reduces the risk of premature failures resulting from contamination or improper service.

Mercedes automatic transmissions – expansion and modernization

If you are planning a comprehensive repair or modernization of the drivetrain area in your Mercedes and need other components from the same group, such as a torque converter, control elements, or additional hydraulic sub-assemblies, check out the available parts in the Mercedes automatic transmissions category.

For users who want to better understand the differences between manual transmissions, classic automatics, and dual-clutch gearboxes, and who want to approach the purchase of a used gearbox consciously, the following guide will be useful: Gearbox: manual, automatic, or DSG – common faults and a guide to buying a used transmission. It allows you to assess the technical condition of the transmission, pay attention to key signs of wear, and better plan repairs for premium class cars, such as the Mercedes ML W166 63 AMG.