Mercedes E-Class S211 W211 Crossbeam Carrier Rear Axle A2113504908 A2303521806

Mercedes E-Class S211 W211 Crossbeam Carrier Rear Axle is a structural rear suspension component designed for E-Class estate and sedan models, providing stable support for the differential and other axle sub-assemblies. This is an OEM Mercedes solution that allows you to maintain factory geometry, predictable vehicle handling, and proper interaction with the drivetrain.

Specifications and technical data

• SKU: A2113504908
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2113504908
• Substitutable numbers: A2113504908, A 2113504908, A 211 350 49 08, A2303521806, A 2303521806, A 230 352 18 06, A2303522206, A 230 352 22 06
• Location on the vehicle: Rear
• Category: Additional Differential Parts

Purpose and function in the vehicle

The described rear axle crossbeam operates in the rear suspension area, where it is responsible for a rigid yet appropriately flexible connection between the differential and the body. A correctly selected component of this type is crucial for:

• maintaining the proper geometry of the rear axle wheels,
• stable mounting of the differential and related components,
• reducing unwanted vibrations transmitted to the body,
• even load distribution during acceleration and braking.

Thanks to the use of an original design dedicated to the S211/W211 platform, the beam works with factory mounting points, which facilitates installation and reduces the risk of alignment issues after repair.

Compatibility with replacement numbers and part selection

The beam was designed as an element from the Other differential parts group, which means it is functionally linked to the rear-wheel drive system. The manufacturer has provided various reference numbers for it, allowing it to replace several factory variants within the same vehicle platform. When selecting, it is worth paying attention to:

• compatibility with a specific body version and drivetrain,
• placement on the vehicle defined as rear axle,
• belonging to the original Mercedes parts line.

This approach makes it easier for service centers and end-users to find the right replacement within the original family of components, without the need to use universal solutions.

Characteristics of the used element

The offered crossbeam is a used part, sourced from dismantling, which allows for a significant reduction in repair costs while maintaining the manufacturer's original specifications. In practice, this means:

• factory fitment to mounting points in the body,
• preservation of original structural rigidity,
• no need to modify cooperating elements, such as the differential or wishbone mounts.

Choosing parts from dismantling is particularly beneficial in the case of complex structural elements, where new OEM components can be expensive, and aftermarket replacements often differ in manufacturing details.

Benefits of using an original rear axle beam

Using an original rear axle beam in a Mercedes E-Class W211/S211 generation brings a number of practical service and utility benefits:

• Consistency with the factory design – maintaining the rigidity and operating characteristics of the rear body section as intended by the manufacturer.
• Predictable vehicle handling – proper interaction with the differential and suspension affects stability at higher speeds.
• Repair cost optimization – a used OEM part allows you to limit expenses without sacrificing original geometry and build quality.
• Easier diagnostics – the mechanic works on a known, factory design, which makes it easier to assess the condition of other rear axle components.

Installation recommendations and additional information

When replacing the rear axle crossbeam, it is recommended to perform a comprehensive inspection of the entire suspension and drivetrain area, including bushings, mounts, and the differential itself. After installation, it is worth performing:

• a check of tightening torques in accordance with service documentation,
• a check for play at mounting points,
• rear axle wheel alignment.

This approach allows you to fully utilize the structural potential of the beam and reduce the risk of recurring problems related to vehicle handling or uneven tire wear.

If you are planning a comprehensive repair or upgrade of the drivetrain zone in your Mercedes and need other elements from the same group, such as differential housings, mounts, or brackets, check the available parts in the Other differential parts Mercedes category.

For drivers considering the installation of used components to reduce service costs, general tips on choosing parts from dismantling and their impact on the operating budget may be useful – you can find more on this topic in the article Smart Skoda servicing – why second-hand parts are the best choice for your wallet.