Automatic Gearbox Mercedes W204 C207 W212 722903 722.903 A1662700802 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 C207 W212 722903 722.903 A1662700802 is a complete, used automatic transmission from the 7G-Tronic family, designed for mid-range and premium Mercedes models. It offers smooth gear shifting, high operating refinement, and a design optimized for durability in daily use.

Specifications and technical data

• SKU: A1662701802
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1662701802
• Substitutable numbers: A1662701802, A 166 270 18 02, A1662700802, A 166 270 08 02
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and technical specifications

The presented gearbox belongs to the Automatic gearboxes group and was designed as a drivetrain component for the W204 and W212 series. The automatic design ensures comfortable, predictable operation in city traffic and on the highway, as well as stable torque transfer during dynamic driving.

The gearbox type, defined as automatic, features an integrated gear shift control system that works in conjunction with the vehicle's electronics and safety systems. This solution minimizes jerking, improves acceleration smoothness, and reduces mechanical stress on other drivetrain components.

Benefits of using an original Mercedes automatic gearbox

Using an original automatic gearbox in a Mercedes W204 or W212 allows you to maintain the factory performance parameters of the drivetrain. The appropriate gear ratios, shift characteristics, and compatibility with factory control software translate into:

• consistent operation with traction control and electronic stability programs,
• predictable throttle response,
• reduced risk of malfunctions resulting from incompatible components,
• maintenance of driving comfort in line with the manufacturer's standards.

For the user, this means more stable vehicle behavior, less stress on other drivetrain components, and easier diagnostics if further servicing is required.

Condition, origin, and practical application

The gearbox is offered as a used part removed from a vehicle, which allows for an economical repair or replacement of a damaged transmission while maintaining the original manufacturer's specifications. This type of solution is particularly beneficial for vehicles used intensively, where a reasonable repair cost is important while maintaining an appropriate level of reliability.

This type of automatic transmission is suitable for both daily city driving and long-distance travel. A correctly selected and installed gearbox reduces vibrations, lowers cabin noise, and ensures stable engine operating conditions across the full range of loads.

Selection and installation of the gearbox

Before purchasing, it is recommended to verify the compatibility of the gearbox with the specific engine version and model year of the vehicle, as well as to consult with a mechanic or a service center specializing in the Mercedes brand. Proper matching of the transmission to the engine control unit and other drivetrain components is crucial for trouble-free operation.

In practice, installation includes, among other things, checking the condition of mounts, lines, oil cooling, and performing a transmission adaptation in the control unit after installation. A correctly performed procedure allows for restoring full functionality of the drivetrain without the need for costly regeneration of the old unit.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the drivetrain in your Mercedes and need other components from the same group, such as complete transmissions, housings, or control modules, check the available parts in the Mercedes automatic gearboxes category.

For users who want to better understand the differences between transmissions and make an informed decision when purchasing a used gearbox, the following guide will be useful: Gearbox: manual, automatic, or DSG – common faults and a guide to buying a used gearbox. The article discusses the characteristics of individual transmission types, common signs of wear, and practical tips for choosing the right component.