Mercedes W177 Automatic Gearbox Dual Clutch 700422 700.422 A7003702800 WARRANTY

Listing details

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

Mercedes W177 Automatic Gearbox Dual Clutch is a factory-original automatic transmission from the Automatic gearboxes range, designed for Mercedes compact class models. This used component allows for a technically correct replacement of a damaged gearbox, maintaining operating characteristics consistent with the manufacturer's specifications. It is a solution for users expecting a proven design at reasonable drivetrain repair costs.

Specifications and technical data

• SKU: A7003702800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A7003702800
• Substitutable numbers: A7003702800, A 700 370 28 00, A7003702000, A 700 370 20 00
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics and purpose

The presented gearbox belongs to the Automatic gearboxes group used in the Mercedes W177, which means integrated gear shift control and cooperation with the vehicle's drivetrain without the need for a classic clutch pedal. The automatic design ensures smooth gear shifting, stable torque transfer, and predictable vehicle behavior in both urban and extra-urban traffic.

This type of solution is particularly beneficial in vehicles used intensively – it reduces the risk of errors resulting from incorrect manual gearbox operation and improves driving comfort in traffic jams. Using an original Mercedes transmission allows for maintaining consistency in operating parameters with the factory calibration of the drivetrain and electronic systems.

Benefits of using an original Mercedes automatic gearbox

Choosing a gearbox dedicated to the W177 provides a number of practical advantages in daily operation:

• Consistency with the factory drivetrain architecture – a transmission designed to work with Mercedes engines and electronics, without the need for structural modifications.
• Stable, predictable operation of the drivetrain, essential for dynamic driving and long-distance travel.
• Possibility to restore full vehicle functionality after a gearbox failure without changing the car's operating character.
• Reduction of the risk of compatibility issues, typical for aftermarket replacements of uncertain origin.

For workshops and users, this means easier diagnostics, faster installation, and greater predictability of the final result after repair.

Condition, origin, and practical application

The gearbox comes from the Mercedes brand and is an aftermarket component, which allows for lower repair costs while maintaining a design consistent with the original. A used component is a good choice in situations where repairing the existing transmission is economically unjustified or technically difficult.

Thanks to maintaining factory specifications, the automatic transmission works well both in daily city driving and with higher annual mileages. Proper selection based on the vehicle model and gearbox type minimizes the risk of problems with installation and subsequent drivetrain operation.

Selection, compatibility, and technical support

To correctly select a gearbox for a specific car, it is worth using the manufacturer's markings and information from the vehicle documentation. The product has an assigned gearbox type, which facilitates verification of compatibility with the car's factory configuration. In case of doubt, consultation with a mechanic or a specialist dealing with the repair of Mercedes drivetrains is recommended.

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 other automatic transmissions, control elements, or related components, check the available parts in the Mercedes automatic gearboxes category.

For users who want to better understand the differences between transmissions and approach the purchase of a used gearbox consciously, the following guide will be helpful: Gearbox: manual, automatic or DSG – typical faults and a guide to buying a used gearbox. The article discusses the characteristics of individual transmission types, typical symptoms of faults, and practical tips regarding the selection of aftermarket components.

Summary

Mercedes W177 Automatic Gearbox Dual Clutch is a solution intended for users expecting compliance with factory specifications and predictable drivetrain operation. The automatic design improves driving comfort, and the use of an original Mercedes transmission supports seamless integration with the vehicle's other systems. It is a practical choice when replacing a damaged gearbox in modern compact class models of this brand.