Mercedes W203 W209 Rear Cradle Subframe Assembly is a structural component from the longitudinal body frame parts and brackets category, designed for the rear of the body. It provides stable support for suspension components and transfers loads from the axle to the body structure, which is crucial for vehicle handling and safety.
Specifications and technical data
- SKU: A2033505708
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2033505708
- Substitutable numbers: A2033505708, A 203 350 57 08, A2033503494, A 203 350 34 94, KZ
- Location on the vehicle: Rear
- Category: Frame Rails & Subframes
Purpose and Function in the Vehicle
The rear cradle in Mercedes C-Class W203 and CLK W209 models serves as a load-bearing element for suspension and drivetrain components. As a structural bracket, it is responsible for:
- transferring loads from the wheels to the body during driving, braking, and encountering uneven surfaces,
- maintaining suspension geometry within the manufacturer's specified range,
- securely mounting rear axle components, which affects steering precision and driving comfort.
Its placement on the vehicle, specified as the rear, means the component works in conjunction with the rear suspension assembly, forming the structural base for their correct installation.
Technical Characteristics and Fitment
The cradle belongs to the group of longitudinal body frame parts and brackets, indicating it is designed to withstand high mechanical loads. Its construction is optimized for:
- torsional rigidity – reducing unwanted flex and improving vehicle predictability,
- material fatigue resistance – adapted for long-term operation under typical road conditions,
- precise positioning of mounting points – enabling the preservation of factory suspension kinematics settings.
The part originates from the Mercedes line, signifying compliance with the brand's original design standards and a precise fit to the intended mounting points on the body.
Product Condition and Benefits of Choosing a Used Part
The offered cradle is in used condition, representing a sensible compromise between cost and functionality. For structural components like a rear subframe, choosing a used OEM part allows for the preservation of:
- original geometry and suspension performance characteristics,
- material consistency with other vehicle structural elements,
- an attractive price-to-quality ratio compared to non-original aftermarket parts.
Prior to installation, a standard inspection of mounting surfaces, bushing seats, and bolt points is recommended to ensure seamless integration with the existing suspension system.
Practical Application and Installation Recommendations
The rear cradle in the Mercedes W203/W209 directly impacts driving stability, especially at higher speeds and under load. Replacing this component is advisable in cases of:
- mechanical damage from a collision or impact with an obstacle,
- advanced corrosion in load-bearing areas,
- suspension geometry issues that cannot be corrected by adjustment.
Installation in a specialized workshop is recommended, using appropriate measuring tools to check the rear axle geometry after completion of the work.
Comparison of New and Used Structural Components
When choosing between a new and a used cradle, consider the total repair cost and the vehicle's expected lifespan. For a detailed discussion of the differences between new and used OEM components, along with examples and practical tips, refer to the article: New or Used? Comparing the Cost and Quality of Car Parts.
Other Longitudinal Body Frame Parts and Brackets Mercedes
If you are also looking for other longitudinal body frame parts and brackets Mercedes for your car, check out the full offer in the category longitudinal body frame parts and brackets Mercedes, where you will find a wide selection of structural components tailored for various models of this brand.
