Mercedes W211 W219 CDI Rear Right O/S Suspension Leg Brake Disc Wheel Hub

Mercedes W211 W219 CDI Rear Right O/S Suspension Leg Brake Disc Wheel Hub is a factory-original suspension and braking system component, designed for the rear right axle of Mercedes E-Class W211 and CLS W219 models with CDI engines. This is a used, original steering knuckle that allows for precise suspension geometry restoration and stable braking system operation, maintaining the characteristics intended by the manufacturer.

Specifications and technical data

• SKU: A2113508408
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2113508408
• Substitutable numbers: A2113508408, A 211 350 84 08, A2113501656, A 211 350 16 56, A0024202883, A 002 420 28 83, A2114230912, A 211 423 09 12, BG
• Weight: 150
• Location on the vehicle: Rear, Right
• Category: Suspension Component Replacement Kits

Purpose and function in the rear axle suspension

The described rear right steering knuckle operates at the junction of suspension and brake components, responsible for stable wheel guidance and proper load transfer to the chassis. In Mercedes' multi-link suspension system, it plays a key role in maintaining specified camber and toe angles, which translates into predictable vehicle handling, even tire wear, and correct braking system performance.

Thanks to a design tailored to the CDI version, the steering knuckle works in harmony with the characteristic weight distribution of these power units, ensuring appropriate rigidity and durability in daily operation. This solution is particularly important for intensive vehicle use, where repeatability of geometry parameters and handling confidence are paramount.

Benefits of using an original steering knuckle

Using an original steering knuckle in place of a worn or damaged component allows for the preservation of factory mounting points for control arms, shock absorbers, and braking system components. In practice, this means:

• easier geometry alignment after repair,
• correct positioning of the brake caliper and disc,
• stable wheel guidance under load and during braking,
• lower risk of uneven tire wear.

The original design also ensures compatibility with factory sensors and equipment, which facilitates service work and reduces assembly time. Compared to aftermarket replacements, maintaining the original mounting geometry is particularly beneficial for premium class vehicles, where handling precision is of significant importance.

Condition, installation, and service aspects

The steering knuckle comes from a Mercedes vehicle and is offered as a used part, which allows for combining reasonable repair costs with the preservation of original specifications. Before installation, it is recommended to perform a standard verification of mating surfaces, bearing seats, and mounting points, followed by the replacement of wear-and-tear components in accordance with the vehicle manufacturer's service procedures.

The placement on the vehicle, defined as rear right, facilitates clear identification of the installation side and minimizes the risk of errors when selecting parts. After installing the steering knuckle, it is recommended to perform a full suspension geometry alignment to fully utilize the potential of the chassis and restore the vehicle's stable, predictable handling.

Selection, identification, and part number compatibility

For precise part selection, you can use identifiers such as SKU, OEM part number, and available interchangeable numbers, which allow for verifying the compatibility of the steering knuckle with a specific equipment version and vehicle year. This approach reduces the risk of purchasing an incompatible part and speeds up the service process.

The product belongs to the Suspension replacement kits group, making it a perfect fit for comprehensive rear axle repairs – especially where control arms, bearings, mounting hardware, or braking system components are being replaced along with the steering knuckle.

If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your Mercedes and need other elements from the same group, such as control arms, mounts, or additional mating components, check the available parts in the Mercedes suspension replacement kits category.

Safety, comfort, and additional materials

A correctly selected and installed steering knuckle affects not only driving stability but also braking efficiency and passenger comfort, reducing unwanted vibrations and noises coming from the rear axle. For broader service work on the drivetrain and transmission, it is also worth considering the choice of original, used components instead of costly refurbishments – more on this topic can be found in the article Manual transmission failures in cars – why is an original used part a more reasonable choice than refurbishment?.

When planning seasonal inspections and preparing the car for harsher road conditions, a practical service guide discussing which used components are worth checking before winter may also be helpful – details can be found in the material Winter essential: which used car parts are worth checking and replacing before the frost?.