Mercedes W212 250 CDI Rear Left N/S Suspension Leg Spring Wheel Hub Brake Disc

Mercedes W212 250 CDI Wheel Hub Knuckle Spindle Suspension Rear Left is a complete drivetrain component designed for the rear left side of the vehicle, ensuring stable wheel guidance and correct suspension geometry. This solution from the Suspension Replacement Kits group, dedicated to Mercedes vehicles, allows for efficient and technically correct rear axle repair.

Specifications and technical data

• SKU: A2123500141-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2123500141
• Substitutable numbers: A2123500141, A 212 350 01 41, A2213504010, A 221 350 40 10, A2124230081, A 212 423 00 81, A0004231012, A 000 423 10 12, BG
• Weight: 150
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Purpose and Function in the Suspension System

The described set includes a wheel hub knuckle responsible for precise wheel guidance and transferring loads from the road surface to the vehicle's structure. Its placement on the rear left side of the body allows for direct replacement of the damaged component without interfering with other axle components.

A suspension element configured this way is crucial for:

• maintaining the correct wheel position relative to the body,
• vehicle stability during acceleration, braking, and cornering,
• reducing unwanted play and vibrations in the drivetrain.

Benefits of Using an Original Mercedes Solution

Using a component from the Mercedes family ensures compliance with the vehicle's original design specifications. This preserves the correct suspension geometry, and the element works correctly with other rear axle sub-assemblies. This is particularly important in premium cars where driving precision and comfort are priorities.

The product has a dedicated OEM part number and associated interchangeable numbers, which facilitates compatibility verification with specific engine and body versions. Additionally, the specified weight of the element allows for correct selection of transport and installation parameters.

Condition, Origin, and Installation Aspects

The component is offered in used condition, allowing for economical repair while maintaining the original construction. Before installation, a standard visual inspection and verification of mounting points are recommended to ensure trouble-free installation in the vehicle.

Its placement on the vehicle is clearly defined as the rear left side, minimizing the risk of error in part selection. In practice, installation involves dismantling the old assembly and installing the offered component while adhering to the manufacturer's service procedures.

Operational Safety and Durability

A correctly selected wheel hub knuckle has a direct impact on driving safety, especially at higher speeds and during sudden maneuvers. Stable wheel mounting and maintaining correct suspension angles reduce tire wear, improve traction, and decrease the load on other drivetrain components.

To maximize the potential of a used suspension element and extend its lifespan, regular inspections and proper maintenance are recommended. Practical tips for operating and protecting dismantled components can be found in the article How to Extend the Lifespan of Used Car Parts?.

Repair Extension and Selection of Related Components

When replacing the rear wheel hub knuckle, it is often advisable to also inspect other components of the same axle, such as control arms, links, or other parts that work with the hub. If you are planning a comprehensive repair or upgrade of the suspension area in your Mercedes and need other parts from the same group, such as additional wheel hub knuckles, hubs, or complete rear suspension modules, check the available parts in the Mercedes Suspension Replacement Kits category.

Summary

The Mercedes W212 250 CDI Wheel Hub Knuckle Spindle Suspension Rear Left is a technically matched drivetrain component that enables the restoration of proper rear axle operation in Mercedes vehicles. Its appropriate placement on the vehicle, compliance with the OEM part number, and the presence of interchangeable numbers facilitate precise selection and trouble-free installation, while the use of original construction supports stable handling and predictable vehicle behavior on the road.