Mercedes W251 Cradle Subframe Rear Suspension is a component from the longitudinal body frame parts and brackets category, designed for the rear suspension. It serves as a robust structural base responsible for stable rear axle handling and correct suspension geometry in the Mercedes W251 class.
Specifications and technical data
- SKU: A2513500032
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2513500032
- Substitutable numbers: A2513500032, A 251 350 00 32
- Weight: 150
- Location on the vehicle: Rear
- Category: Frame Rails & Subframes
Purpose and Function in Rear Axle Suspension
The rear suspension cradle in the Mercedes W251 acts as a load-bearing frame for suspension components, such as control arms, shock absorber mounts, and drivetrain support points. A properly selected subframe ensures:
- stable rear axle handling during cornering and braking,
- maintenance of correct suspension geometry, leading to predictable vehicle behavior,
- even distribution of loads from the body to suspension components and tires.
Its placement at the rear of the vehicle's body makes the cradle a crucial element for safety and driving comfort, especially in vehicles with higher curb weight and the capacity to carry more passengers.
Construction, Weight, and Operational Characteristics
The rear cradle belongs to the group of longitudinal body frame parts and brackets, meaning it is designed for high torsional rigidity and resistance to prolonged loads. The appropriate weight of the component influences:
- vibration damping transferred from the suspension to the body,
- straight-line stability at higher speeds,
- durability of connections with other rear axle components.
In the case of Mercedes, using a dedicated cradle for the specific W251 model series allows for the preservation of factory handling and comfort parameters without the need for body structure modifications.
Selection, Compatibility, and Application in Mercedes
The rear suspension cradle for the Mercedes W251 is designed specifically for this platform, facilitating precise fitting to body mounting points and integration with original suspension components. When selecting this type of part, it is important to consider:
- compatibility with the specific body version within the W251 series,
- type of suspension used (e.g., standard or with additional adjustment systems),
- condition of mounting points and sockets for bushings and control arms.
A component from this category, originating from a Mercedes, helps maintain the vehicle's structural integrity and reduces the risk of issues with geometry, noise, or excessive vibrations in the rear of the car.
Characteristics of a Used Rear Cradle
The offered rear suspension cradle is a used part, which in practice means the possibility of an economical rear axle repair while maintaining the original structure. Choosing a used component of this class is particularly beneficial when:
- mechanical damage has occurred due to a collision or localized corrosion,
- the entire subframe needs replacement, not just individual control arms,
- the cost-to-durability ratio is important while maintaining the original design specifications.
Before installation, a standard inspection of the bearing surfaces, bushing sockets, and flatness of support points is recommended to fully utilize the part's potential and avoid subsequent alignment issues.
Related Drivetrain and Suspension Components
Replacing the rear cradle often involves checking other rear axle and drivetrain components. If you want to better prepare for assessing the condition of the axle, differential, or drivetrain elements, it is worth consulting the practical advice contained in the guide: Used Differential – What You Should Know About Used Differentials, Sensors, and Drivetrains. This will allow you to consciously plan the scope of service work and select appropriate accompanying parts.
Other Longitudinal Body Frame Parts and Brackets for Mercedes
If you are also looking for other longitudinal body frame parts and brackets for Mercedes, check the available assortment in the longitudinal body frame parts and brackets Mercedes category to select compatible structural components for your model.
