Mercedes W166 350 BlueTec Rear Right O/S Suspension Leg Brake Disc Wheel Hub

Mercedes W166 350 BlueTec Rear Right O/S Suspension Leg Brake Disc Wheel Hub is a complete, used rear suspension assembly designed for the drive axle on the right side of W166 series models. The set ensures precise wheel guidance, body stability, and correct load distribution in the chassis, which is crucial for vehicle safety and predictable handling. By maintaining factory suspension geometry, this component allows for consistent operation of the steering, braking, and drivetrain systems.

Specifications and technical data

• SKU: A1663500208-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1663500208
• Substitutable numbers: A1663500208, A 166 350 02 08
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the suspension system

The presented set is responsible for stable hub mounting and wheel guidance in the rear right section of the vehicle. The suspension leg, together with the hub, creates a rigid reference point for the control arms and other suspension components, maintaining the correct camber and toe angles. A properly selected component in this area minimizes the risk of uneven tire wear, improves traction, and reduces unwanted body vibrations.

The vehicle placement defined as Rear - right allows for clear identification of the mounting side, avoiding errors during part selection. This is particularly important in premium class vehicles, where suspension geometry is precisely calibrated for ride comfort and stability.

Compatibility and part identification

The item belongs to the Suspension replacement kits group, meaning it was designed as a cohesive assembly of cooperating rear suspension components. This allows for restoring the proper operation of the entire wheel hub assembly in a single service operation, rather than replacing individual parts in isolation.

Product identification in the store system is carried out via the SKU, while in the context of manufacturer catalogs, the OEM part number is key. Additionally, interchangeable numbers are available, which facilitates matching to specific engine versions and equipment levels within the W166 family. The vehicle brand is clearly defined as Mercedes, which guarantees structural compatibility with the brand's factory suspension solutions.

Performance characteristics and installation benefits

Using a complete rear suspension assembly on the right side allows for:

• restoring correct wheel geometry after a collision, curb impact, or mechanical damage,
• reducing play and unwanted noises within the rear axle,
• maintaining predictable vehicle handling at higher speeds,
• maintaining stability during braking and acceleration.

The product is marked as Used, which in practice means it comes from dismantling and can be a cost-effective alternative to new components, while maintaining the original design and fit for the W166 350 BlueTec body. A properly selected and installed set of this type allows for effective repair without the need to interfere with the vehicle's load-bearing structure.

Professional selection and technical support

To maximize the potential of the chassis, it is worth selecting suspension elements in a consistent manner – taking into account the condition of other rear axle components. In case of doubts regarding compatibility with a specific version of the Mercedes W166 350 BlueTec, it is helpful to compare the OEM number and interchangeable numbers with the vehicle's service documentation or consult a mechanic specializing in the Mercedes brand.

If you are planning a comprehensive repair or upgrade of the suspension zone in your Mercedes and need other elements from the same group, such as additional suspension legs, hubs, or complete wheel mounting modules, check the available parts in the Mercedes suspension replacement kits category.

For drivers considering the use of second-hand components in the chassis, it will be useful to compare the characteristics of standard and sport suspension and discuss the criteria for safe selection of used parts – this is described in detail in the article Standard vs. sport suspension – differences in construction and is it worth buying used suspension parts?.

Summary

Mercedes W166 350 BlueTec Rear Right O/S Suspension Leg Brake Disc Wheel Hub is a technically advanced, original rear suspension assembly that allows for restoring the proper operation of the right wheel on the rear axle. Thanks to the preservation of factory geometry and fitment to the Mercedes W166 design, it provides a solid foundation for professional chassis repair, improving stability, comfort, and predictable vehicle handling.