Mercedes W204 W212 63 AMG Rear Axle Differential 2.82 Ratio A2043509314 WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order. Mercedes W204 W212 63 AMG Rear Axle Differential 2.82 Ratio is an original drivetrain component from the Differentials group, designed for rear axle installation in sports versions of the Mercedes C-Class and E-Class. It ensures precise torque transfer to the wheels and stable vehicle behavior during dynamic driving, in line with the characteristics of AMG variants.

Specifications and technical data

• SKU: A2043509314
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2043509314
• Substitutable numbers: A2043509314, A 204 350 93 14, A2043509514, A 204 350 95 14
• Location on the vehicle: Rear
• Part type: Differential & Housing Assembly
• Category: Differentials

Purpose and function in the drivetrain

The presented differential is dedicated to the rear axle of Mercedes W204 and W212 series vehicles in 63 AMG versions. As a component of the rear axle assembly, it is responsible for distributing drive between the wheels, maintaining the correct gear ratio, and ensuring traction stability during acceleration, engine braking, and cornering. The 2.82 ratio promotes dynamic acceleration while maintaining reasonable engine speeds in higher gears, which is particularly important in powerful AMG units. This gear ratio selection affects:

• efficient transfer of high torque to the road surface,
• proper throttle response across the full speed range,
• stable handling at higher highway speeds.

Construction and compatibility with AMG

The differential has been designed with the requirements of AMG drivetrains in mind, where resistance to loads and consistency of operating parameters are essential. The construction of the rear differential is adapted to work with powerful gasoline engines and sport-tuned transmissions, allowing for the safe utilization of the car's potential. Its location at the rear of the vehicle facilitates integration with the existing drive axle, half-shafts, and suspension, minimizing the need for modifications when replacing the component with a compatible model from the same family.

Benefits of using an original differential

Using an original differential in the AMG version allows for maintaining factory handling and acceleration characteristics, which is crucial for high-power vehicles. The main advantages include:

• consistency with the factory drive configuration – maintaining the gear ratio and operating characteristics intended by the manufacturer,
• adequate durability – construction designed to work with high torque,
• stable vehicle behavior – predictable response to throttle and engine braking, especially important during dynamic driving. The element from this group is a good choice both for post-accident repairs and for replacing a worn-out differential in cars operated in a more demanding manner.

Gear ratio selection and vehicle compatibility

When replacing a differential in Mercedes W204 and W212 63 AMG versions, it is crucial to match the gear ratio and design variant to the specific drivetrain configuration. This directly affects the operation of the transmission, electronic systems, and driving comfort. It is worth verifying compatibility with your model using the OEM part number and interchangeable numbers available in the technical specification. To better understand how the drive axle ratio affects the car's character and to choose a configuration for your driving style, the following guide will be helpful: Dismantled drive axles and differentials – how to choose gear ratios for your driving style.

Application area and drivetrain expansion

If you are planning a comprehensive repair or upgrade of the rear axle drivetrain area in your Mercedes and need other elements from the same group, such as differential housings, mounts, or additional mounting hardware, check the available parts in the Mercedes Differentials category. If you want to learn more about the benefits of using original used components in cars of this brand and how to maintain high comfort and durability without excessive service costs, read the article: Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?.