Mercedes W205 C43 AMG 4matic Transfer Box Case A7252800300 WARRANTY

Listing details

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

Mercedes W205 C43 AMG 4matic Transfer Box Case is a specialized drivetrain component designed for all-wheel-drive vehicles powered by diesel fuel. This used transfer case from this series allows for efficient torque distribution between the axles, ensuring stable handling and predictable vehicle behavior in various road conditions.

Specifications and technical data

• SKU: A7252800300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A7252800300
• Substitutable numbers: A7252800300, A 725 280 03 00
• Fuel type: Diesel
• Part type: Transfer Case
• Category: Transfer Cases

Purpose and function in the drivetrain

The transfer case in the Mercedes W205 C43 AMG 4matic model is responsible for distributing drive between the front and rear axles, working in conjunction with the automatic transmission and electronic stability control systems. In a vehicle with a diesel engine, its proper operation is crucial for efficient torque utilization, smooth acceleration, and maintaining traction on slippery surfaces.

Thanks to its precise design and adaptation to the specific 4Matic drive configuration, this transfer case allows for maintaining the correct drive force distribution ratios, which translates into predictable vehicle reactions during dynamic driving, engine braking, and cornering.

Benefits of using an original transfer case

Using an original component from the Transfer cases category for a Mercedes ensures:

• maintenance of factory 4Matic system operating parameters,
• proper cooperation with vehicle electronics and safety systems,
• appropriate fitment for diesel powertrains,
• stable load transfer during daily operation and highway driving.

For the user, this means more confident handling, reduced risk of incorrect torque distribution, and less strain on other drivetrain components. The used subassembly also allows for optimizing repair costs while maintaining favorable operating parameters.

Condition, fitment, and installation aspects

The offered transfer case is a used component, which in practice means a favorable compromise between price and functionality, especially in the case of technically advanced all-wheel-drive systems. Before installation, standard workshop verification, leak checks, and assessment of the transmission oil condition are recommended to ensure long-term and stable operation in conjunction with the existing transmission.

Thanks to the preservation of the original design, installation proceeds in a predictable manner for an experienced mechanic, without the need for interference with the drivetrain geometry or modification of cooperating elements. This is a particularly attractive solution for users who want to restore full 4Matic drive efficiency while maintaining consistency with the vehicle's factory specifications.

How to consciously choose a used transfer case

When choosing a used transfer case, it is worth paying attention to compatibility with the specific engine version (including diesel fuel type), drive configuration, and the service history of the donor vehicle. It is also important to use the appropriate transmission oil during installation and to perform electronic system adaptation if required by the specific model.

If you want to better understand when purchasing a used drivetrain component is cost-effective, what to look for during selection, and how to compare purchasing a used part with remanufacturing, our blog article will be helpful: Used transmission – when is it worth it and what you need to remember.

Expansion and modernization of the Mercedes drivetrain

If you are planning a comprehensive repair or modernization of the drivetrain area in your Mercedes and need other elements from the same group, such as additional gears, torque distribution components, or cooperating drive modules, check the available parts in the Mercedes Transfer cases category.

For drivers interested in a broader approach to vehicle modification, including the use of used components in modernization projects, we also recommend our guide material: The best used parts for tuning your car, which shows how to reasonably plan investments in aftermarket subassemblies.