Mercedes W211 M271 Rear Axle Differential Diff A2113510308 WARRANTY

Mercedes W211 M271 Rear Axle Differential Diff is an original drivetrain component from the Differentials category, designed for installation on the vehicle's rear axle. It ensures proper torque distribution between the wheels, which translates into stable handling, predictable vehicle behavior, and safe traction in daily operation. This solution is dedicated to users who expect factory compatibility and consistency with the Mercedes drivetrain design.

Specifications and technical data

• SKU: A2113505462
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2113505462
• Substitutable numbers: A2113505462, A 211 350 54 62
• Location on the vehicle: Rear
• Part type: Differential & Housing Assembly
• Category: Differentials

Purpose and function of the rear axle differential

The presented differential is a drivetrain component mounted on the rear axle of the vehicle. Its task is to compensate for the difference in rotational speed of the wheels when cornering and to effectively transfer torque from the driveshaft to the wheel hubs. In practice, this means:

• stable vehicle behavior in corners,
• better traction during acceleration,
• lower mechanical stress on other drivetrain components.

Thanks to a design that complies with factory Mercedes standards, the differential works with original mounts and suspension geometry, which facilitates installation and maintains predictable driving characteristics.

Benefits of using an original Mercedes differential

Using a differential dedicated to the Mercedes W211 with the M271 engine allows you to maintain the integrity of the entire drivetrain. The original design ensures:

• correct gear ratio matched to the characteristics of the engine and transmission,
• compatibility with factory half-shafts and the driveshaft,
• proper cooperation with safety systems (ABS, ESP) that depend on stable rear axle operation.

This solution is particularly beneficial when replacing a worn or damaged final drive, especially when you want to maintain stock driving parameters without experimenting with unreliable aftermarket replacements.

Condition, origin, and practical application

The differential comes from dismantling and is offered as a used original part. Such components are frequently chosen for professional repairs because they allow for maintaining factory specifications while optimizing service costs. It works well both for standard replacement of a worn component and for post-accident repairs of the rear drivetrain section.

Due to its location at the rear of the vehicle, the differential has a key impact on the drivetrain's refinement, noise levels, and the smoothness of torque transfer. A properly selected and functional component reduces issues such as jerking, knocking during take-off, or inconsistent vehicle behavior when changing loads.

Gear ratio selection and technical knowledge

When replacing a differential, it is important to match the gear ratio to the specific drivetrain configuration and driving style. This affects acceleration dynamics, engine RPM during highway driving, and overall comfort. If you want to better understand the relationship between the final drive ratio, engine characteristics, and transmission, it is worth consulting a specialist guide. A detailed discussion can be found in the article Dismantled final drives and differentials – how to choose gear ratios for your driving style, which describes definitions, configuration examples, and practical tips regarding used components.

Expanding repairs within the Mercedes drivetrain

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 axle housings, complete differentials, or additional final drive components, check the available parts in the Mercedes Differentials category.