Rear Axle Carrier Mercedes W415 Citan Cradle Subframe Support A4153502800

Visual condition of the part 

The product shows signs of use visible in the photos. 

Rear Axle Carrier Mercedes W415 Citan Cradle Subframe Support is a component from the Longitudinal body frame parts and supports group, designed for the rear body section of Mercedes vehicles. It serves as a solid base for suspension components, stabilizing the rear axle and transferring loads between the body and the chassis, ensuring predictable handling and safe suspension operation.

Specifications and technical data

• SKU: A4153502800
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4153502800
• Substitutable numbers: A4153502800, A 415 350 28 00
• Weight: 150
• Location on the vehicle: Rear
• Category: Frame Rails & Subframes

Purpose and function in the vehicle

The rear axle carrier in Mercedes W415 models plays a key structural role – it acts as a load-bearing element for control arms, spring mounts, shock absorbers, and other rear suspension components. It is responsible for:

• maintaining the rear axle geometry in the specified position relative to the body,
• transferring longitudinal and lateral forces acting during acceleration, braking, and cornering,
• damping a portion of the vibrations transmitted from the wheels to the vehicle structure.

Its placement in the rear of the vehicle allows for optimal load distribution and stable operation of the entire chassis, which translates into predictable vehicle behavior during daily use.

Construction and performance parameters

The carrier belongs to the group of structural body components that must combine high rigidity with resistance to long-term variable loads. The design is engineered to:

• ensure adequate torsional and bending stiffness for the rear part of the body,
• maintain stable suspension mounting points under full vehicle load,
• preserve compatibility with factory mounting points in the body.

The specific weight of the component confirms the use of a massive, durable construction, which is essential when transferring forces acting on the rear axle in commercial and passenger vehicles of this class.

Benefits of using an original Mercedes carrier

Using an original rear axle carrier in a Mercedes W415 allows for the preservation of factory handling and durability parameters. The most important advantages include:

• Factory fit to the body – compatibility with original mounting points reduces the risk of suspension geometry issues.
• Consistency with other chassis components – the carrier works with factory control arms, springs, and shock absorbers, which facilitates service and diagnostics.
• Possibility to use existing service procedures – mechanics can rely on the manufacturer's documentation during installation and inspection.

The used condition allows for an economical vehicle repair while maintaining a structure consistent with the manufacturer's design, which is particularly important for post-accident repairs or replacing components after years of operation.

Selection, installation, and technical aspects

When selecting a rear axle carrier for a Mercedes W415, it is crucial to match it to the specific body version and suspension configuration. In workshop practice, attention is paid to:

• compatibility with the vehicle platform and rear suspension type,
• condition of mounting surfaces and attachment points,
• absence of significant structural deformations.

Professional installation requires the use of appropriate tightening torques and subsequent inspection and adjustment of the rear axle geometry. This ensures that the carrier operates within the load range intended by the manufacturer, and the vehicle maintains stability and predictable reactions to driver maneuvers.

If you are planning a comprehensive repair or upgrade of the rear suspension load-bearing zone in your Mercedes and need other elements from the same group, such as additional supports, longitudinal frame elements, or structural reinforcements, check the available parts in the Longitudinal body frame parts and supports Mercedes category.

Technical knowledge and operation of used components

When working with used structural components, it is worth using reliable sources of knowledge regarding selection procedures based on catalog numbers, condition assessment, and the impact of such parts on vehicle durability. To compare manufacturers' approaches and the practice of using original used parts, you can read the article BMW – sports performance and precision. How do original used parts extend the life of a Bavarian icon?, which discusses standards for working with factory components in the premium segment.