Mercedes W205 Rear Axle Differential Diff I=3,06 A2053503703 WARRANTY

Listing details

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

Mercedes W205 Rear Axle Differential Diff I=3,06 is an original drivetrain component from the Differentials category, designed for installation on the vehicle's rear axle. It ensures precise torque transfer to the wheels, stable drivetrain operation, and the correct gear ratio tailored to the characteristics of the W205 model. This is a solution for users who expect factory compatibility and predictable vehicle behavior on the road.

Specifications and technical data

• SKU: A2053503703
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2053503703
• Substitutable numbers: A2053503703, A 205 350 37 03
• Location on the vehicle: Rear
• Part type: Differential & Housing Assembly
• Category: Differentials

Purpose and function in the drivetrain

The presented rear differential is responsible for distributing drive to the rear axle wheels while maintaining the correct gear ratio of I=3,06. This ensures that the drivetrain operates in accordance with the manufacturer's factory specifications, which translates into predictable acceleration, stability at higher speeds, and proper interaction with the vehicle's electronics.

Its placement on the rear axle promotes even load distribution and proper suspension operation, while also minimizing the risk of improper tire wear resulting from an incorrectly selected gear ratio.

Benefits of using an original differential

Using an original differential in the W205 model allows for maintaining the integrity of the entire drivetrain. In practice, this means:

• maintaining factory acceleration characteristics and engine RPM at a given driving speed,
• proper interaction with traction control and electronic stability systems,
• reduced risk of unwanted vibrations and noise in the rear of the vehicle,
• easier service diagnostics due to compliance with manufacturer documentation.

For users who want to consciously select a gear ratio for their driving style, a detailed guide will be useful – it is worth checking out the material: Dismantled drive axles and differentials – how to choose gear ratios for your driving style.

Condition, origin, and technical aspects

The differential comes from dismantling and is offered as a used component, which allows for combining an attractive cost with the preservation of the original manufacturer's specifications. This type of component is particularly valued in professional workshops, where compliance with factory parameters and the ability to install it seamlessly in place of a worn-out part are essential.

Its placement on the rear axle makes it easier for technicians to plan replacement work, as well as to assess the condition of cooperating components, such as half-shafts or mounts. Choosing an original differential from the same construction series limits the need for modifications and allows for maintaining the consistency of the entire system.

Economy and environmental aspect

Choosing a used differential is not only a financial saving but also a real contribution to reducing the carbon footprint through the reuse of functional components. Instead of reaching for random replacements, it is worth opting for an original part from dismantling that retains factory operating parameters. You can read more about the impact of such decisions on the environment in the article: Sustainable automotive: How purchasing original used parts reduces the carbon footprint and protects the environment?.

Complementary Differentials for Mercedes

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 drive axles, additional differentials, or related final drive components, check out the available parts in the Mercedes Differentials category.