Mercedes W177 A35 AMG 4matic Rear Axle Differential 2,44 A2473505104 WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

Mercedes W177 A35 AMG 4matic Rear Axle Differential is a precision drivetrain component designed for the rear axle of the sports version of the A-Class. It is responsible for the efficient transfer of torque within the 4Matic system, ensuring stable handling and predictable vehicle behavior. This is a solution for users who expect a proven, factory-spec design tailored to the characteristics of the A35 AMG.

Specifications and technical data

• SKU: A2473505104
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2473505104
• Substitutable numbers: A2473505104, A 247 350 51 04
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function in the drivetrain

The described rear axle is a component from the Differentials category, designed to operate in the 4Matic system of the Mercedes W177 A35 AMG model. Its task is to distribute drive to the rear wheels and cooperate with the vehicle's electronics regarding traction control and stability. Its placement at the rear of the vehicle allows for optimal half-shaft guidance and the maintenance of proper suspension geometry.

Thanks to a properly selected gear ratio, the differential supports dynamic acceleration while maintaining reasonable engine RPMs at higher speeds. This is particularly important in cars with a sporty character, where both throttle response and stability during highway driving are crucial.

Benefits of using an original differential

Using an original rear differential in a Mercedes A35 AMG translates into several practical advantages:

• maintaining the factory handling characteristics and 4Matic drive operation,
• proper cooperation with safety and traction control systems,
• consistency with factory gearbox and engine controller settings,
• proper dimensional fit for mounts and rear axle half-shafts.

For the user, this means predictable vehicle behavior, no need for structural modifications, and easier diagnostics in the future. Consistency with the factory drivetrain design is of key importance, especially in powerful, turbocharged units where the loads transferred by the axle are high.

Practical application and gear ratio selection

The rear differential in the A35 AMG 4Matic has been configured for dynamic driving, with an emphasis on rapid torque transfer to the rear axle while maintaining stability. The gear ratio selection affects:

• the car's response when starting and exiting corners,
• engine RPM at constant speed,
• the character of the drive operation in comfort and sport modes.

If you want to better understand how the axle ratio affects driving style and perceived performance, it is worth consulting a specialist study. Practical tips can be found in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style, where definitions, gear ratio selection, and examples of applications in various models are discussed.

Condition, origin, and service application

The offered item is a used part, which in practice means a favorable cost-to-functionality ratio while maintaining the factory design. Such a differential will work well both for a standard replacement of a damaged axle and for rebuilding the drivetrain after a collision or mechanical failure. A used OEM component allows you to maintain the original drive performance without having to resort to replacements with uncertain parameters.

For those who want to combine performance care with a responsible approach to the environment, using dismantled parts can be part of a broader eco-tuning strategy. You can find more on this topic in the guide Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts, which describes how to consciously select used components.

Complementary Mercedes drivetrain components

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 axles, differentials, or related power transmission components, check out the available parts in the Mercedes Differentials category.