Description
The Mercedes SLK R172 Rear Suspension Crossmember / Subframe is a component from the category of longitudinal body frame parts and brackets, designed for the rear of the vehicle. It ensures stable mounting of suspension components, influencing steering precision and safe load transfer to the body.
Specifications and technical data
- SKU: A1723501903
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A1723501903
- Substitutable numbers: A1723501903, A 172 350 19 03, A1723509703, A 172 350 97 03
- Location on the vehicle: Rear
- Category: Frame Rails & Subframes
Purpose and Function in the Drivetrain
The crossmember / subframe for the Mercedes SLK R172 rear suspension is a key structural element of the rear body. It is responsible for the rigid yet appropriately flexible connection of the suspension arms, hubs, and other sub-assemblies to the vehicle body.
A correctly selected rear suspension crossmember enables:
- maintaining predictable vehicle behavior during acceleration, braking, and cornering,
- stable rear axle handling under various loads,
- correct suspension geometry, which translates to even tire wear and confident handling.
Construction and Role in the Body
This crossmember belongs to the group of longitudinal body frame parts and brackets, so its task is not only to transfer forces from the suspension but also to contribute to the load-bearing structure of the rear of the car. Appropriate rigidity and fit to the Mercedes SLK R172 body allow for maintaining the factory suspension performance characteristics.
Its placement at the rear of the vehicle means this element directly influences:
- driving comfort – reduction of unwanted vibrations transmitted from the wheels to the body,
- steering precision – maintaining correct wheel alignment angles,
- structural safety – proper load distribution in the rear area.
Part Selection and Compatibility
As a dedicated Mercedes part, the rear suspension crossmember is designed for the specific SLK R172 model platform. This ensures:
- factory mounting points to the body and suspension,
- compatibility with original manufacturer design solutions,
- easier installation compared to universal aftermarket parts.
When selecting, it is recommended to verify by OEM part number and interchangeable numbers in the technical specification to confirm full compatibility with the specific engine and equipment version of the vehicle.
Condition and Service Application
The offered rear suspension crossmember is a used part, allowing for economical repair of the drivetrain while maintaining the original construction. Such elements are particularly useful for:
- accident repairs of the rear body section,
- mechanical damage resulting from corrosion or overloading,
- restoring factory handling parameters after deformation of the old crossmember.
Replacing the crossmember with a functional element from the same structural category allows for restoring correct suspension operation without altering the manufacturer’s design.
More Solutions for the Mercedes Rear Body
If you are looking for other Mercedes longitudinal body frame parts and brackets, check out our dedicated offer: Mercedes longitudinal body frame parts and brackets. You will find a wide selection of structural elements tailored to various models of this brand.
Learn More About Choosing Used Parts
Are you planning a more extensive repair or modernization of your car and want to make informed choices about original used parts? Check out our guide: Best Used Car Parts – A Guide to the Most Popular Original Parts for Popular Car Brands and Models. This is a practical source of knowledge on selecting and verifying used components, including suspension and body structure elements.
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