Mercedes-Benz W176 W246 7-Speed Automatic Dual Clutch Gearbox 724020 WARRANTY

Listing details

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

Mercedes-Benz W176 W246 7-Speed Automatic Dual Clutch Gearbox WARRANTY is a factory-original component from the Automatic transmissions group, designed for the Mercedes W176 compact class models. This used automatic transmission allows for an economical yet professional repair of the drivetrain, maintaining performance characteristics consistent with the manufacturer's factory specifications.

Specifications and technical data

• SKU: A2463704102
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2463704102
• Substitutable numbers: A2463704102 A2463703103, A 246 370 41 02, A 246 370 31 03, 724020, 724.020, A2463702102, A 246 370 21 02
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics and intended use

The offered transmission belongs to the Automatic transmissions group used in the Mercedes W176, designed for smooth gear shifting and comfortable operation in both city and highway driving. The automatic design reduces the load on the drivetrain, which promotes stable engine operation and predictable vehicle behavior in various road conditions.

The automatic type ensures precise gear control via the hydraulic-electronic system, which translates into repeatable, predictable throttle response and reduced jerking during gear changes. For the user, this means higher driving comfort, especially in traffic jams and during frequent speed changes.

Benefits of using an original automatic transmission

Using an original automatic transmission in the Mercedes W176 allows you to maintain the factory operating parameters of the drivetrain. Key advantages of this solution include:

• seamless integration with the vehicle's factory control units,
• gear shifting characteristics consistent with the manufacturer's specifications,
• preservation of the manufacturer's intended automatic operating modes (e.g., city driving, highway),
• reduced risk of problems resulting from improper transmission selection.

For workshops and users, this means more predictable installation and easier diagnostics in the future, as the transmission's operating parameters are known and described in Mercedes service documentation.

Condition, selection, and practical application

The presented transmission is a used component, which allows for a significant reduction in repair costs compared to purchasing a new unit, while maintaining the original design. In practice, this is a solution often chosen for major drivetrain failures, where repairing the existing transmission is uneconomical or technically difficult.

Before installation, standard workshop procedures are recommended: verifying the transmission's compatibility with the specific vehicle engine version, checking mounting points and connections, and ensuring it matches existing equipment. This helps minimize vehicle downtime and avoids additional installation modifications.

Selection support and technical knowledge

When choosing a used automatic transmission for a Mercedes, it is worth considering not only model compatibility but also the workshop's experience in installation and initial startup after replacement. A detailed discussion of typical faults and criteria for choosing a used transmission can be found in our guide: Manual, automatic, or DSG transmission – common faults and a guide to buying a used gearbox, which helps you plan your repair consciously and avoid the most common mistakes.

Expanding repairs within the drivetrain

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, compatible housings, or additional control components, check the available parts in the Mercedes automatic transmissions category.