Mercedes W176 W246 4Matic Rear Axle Differential Diff 2,438 A2463507701 WARRANTY

Listing details

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

Mercedes W176 W246 4Matic Rear Axle Differential Diff 2,438 is an original, used rear drive axle designed for Mercedes models with the 4Matic system. This component ensures precise torque transfer to the rear axle, stable operation of the drivetrain, and maintenance of the correct gear ratio, which is crucial for durability and driving characteristics. This is a solution for users who expect compliance with factory specifications and consistent vehicle performance on the road.

Specifications and technical data

• SKU: A2463501802-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2463501802
• Substitutable numbers: A2463501802, A 246 350 18 02, A2463507701, A 246 350 77 01, A2463506900, A 246 350 69 00
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function in the drivetrain

The presented rear differential is a component of the drivetrain in Mercedes W176 and W246 series vehicles equipped with the 4Matic system. Its task is to distribute torque to the rear axle wheels and maintain the correct gear ratio, which affects acceleration dynamics, drivetrain refinement, and vehicle stability in various road conditions.

Located in the rear axle area, the differential works in direct connection with the half-shafts and other drive axle components. The properly selected 2.438 gear ratio allows for maintaining the factory drivetrain characteristics, which is important both in daily use and under higher loads, e.g., during highway driving.

Construction and technical fitment

The differential belongs to the Differentials category, meaning it is designed as an integral part of the drive axle, compatible with factory mounts and the Mercedes suspension system. The design intended for the 4Matic drive ensures compatibility with the inter-axle torque distribution system and the factory electronics controlling the drivetrain operation.

Its original Mercedes origin facilitates proper fitment with accompanying components such as half-shafts, the driveshaft, or rear subframe mounts. As a result, installation proceeds in a manner similar to the factory assembly, without the need for structural modifications, which is particularly important for maintaining safety and predictable vehicle behavior.

Benefits of using a used differential

Choosing a used rear differential for a Mercedes allows for significant reduction in repair costs while maintaining compliance with factory specifications. This type of component is particularly attractive in situations where there has been mechanical damage to the axle, gear wear, or a need to replace the complete assembly due to noise or uneven drivetrain operation.

The main advantages of this solution include:

• Replication of the factory gear ratio – maintaining original acceleration characteristics and engine RPM at a given speed.
• Compatibility with the 4Matic system – proper cooperation with the front-wheel drive and central torque distribution.
• Service cost savings – no need to purchase a new drive axle while maintaining high functionality.

Before installation, standard verification of the operational condition and an oil change in the differential are recommended to ensure the longest and most stable operation of the assembly.

Gear ratio selection and vehicle compatibility

The 2.438 gear ratio has a direct impact on driving characteristics – engine RPM at a specific speed, throttle response, and cooperation with the transmission and 4Matic system. Using a differential with a different gear ratio than the factory one can lead to improper drivetrain operation, which is why it is so important to select a component compatible with the configuration of the specific vehicle unit.

To better understand the relationship between the axle ratio and driving style as well as operational requirements, it is worth checking the technical guide regarding drive axles and differentials. A detailed discussion of the topic can be found in the article Dismantled drive axles and differentials – how to choose ratios for your driving style, where definitions, gear ratio selection, and practical application examples are described.

Application area and drivetrain expansion

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Mercedes and need other components from the same group, such as other differentials, drive axles, or related sub-assemblies, check the available parts in the Mercedes Differentials category.

When planning larger modifications or tuning projects using used drivetrain components, it is also worth paying attention to common mistakes made when selecting parts. Practical tips and a discussion of the most common pitfalls can be found in the guide Buying used car parts – common mistakes when choosing parts for tuning, which will allow you to better prepare for investing in your Mercedes drivetrain.