Mercedes W212 E 220 CDI Front Right O/S Suspension Leg Brake Disc Wheel Hub

Mercedes W212 E 220 CDI Front Right O/S Suspension Leg Brake Disc Wheel Hub is a complete, used service solution designed for the front axle on the passenger side of the vehicle. The set combines components responsible for wheel guidance, load bearing, and interaction with the braking system, allowing for an efficient and technically correct suspension replacement.

Specifications and technical data

• SKU: A2123203913
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2123203913
• Substitutable numbers: A2123203913, A 212 320 39 13, A2123320800, A 212 332 08 00, A2044212481, A 204 421 24 81, A2124211312, A 212 421 13 12, BG
• Weight: 150
• Location on the vehicle: Front, Right
• Category: Suspension Component Replacement Kits

Purpose and function of the set

The described set belongs to the Suspension replacement kits category and is dedicated to Mercedes E-Class W212 generation models with the E 220 CDI engine. It contains components responsible for stable wheel guidance, interaction with the suspension strut, and proper seating of the brake disc and wheel hub, which directly impacts vehicle handling precision and braking safety.

The placement on the vehicle is the front right side, allowing the set to be clearly matched to a specific mounting position. This type of assembly is particularly useful for post-collision repairs, in cases of excessive wear of load-bearing elements, or for replacements resulting from play and incorrect geometry.

Benefits of using a complete suspension set

Using a complete suspension set with a brake disc and wheel hub reduces the risk of component mismatch and speeds up the service process. In a single installation, the correct cooperation of elements responsible for the following is restored:

• wheel guidance in the vertical and horizontal axes,
• stable mounting of the brake disc,
• transfer of loads from the road to the body,
• interaction with the braking system and wheel bearings.

This allows the mechanic to carry out the replacement in an organized manner, and the user gains a consistent service solution that facilitates subsequent diagnostics and geometry adjustment.

Technical characteristics and fitment

The product comes from the Mercedes brand, which ensures the preservation of factory mounting geometry and compatibility with the front suspension design of the W212 E 220 CDI. The set has an assigned OEM part number and interchangeable numbers, which facilitates compatibility verification in service catalogs and parts selection systems without the need for vehicle structural modifications.

The specified weight of the set and precisely defined placement on the vehicle allow workshops to better plan the assembly process, tool selection, and the method of supporting the vehicle on a lift. This is especially important when working with suspension components that carry significant dynamic loads.

Condition and use in repairs

The item is offered as a used part, which represents a reasonable compromise between repair costs and maintaining the original suspension design. This type of solution is often chosen for post-accident repairs, where it is crucial to restore the factory mounting layout and geometry without the need to invest in new components.

Before installation, a standard workshop check of the working condition is recommended – verifying play, mating surfaces, and the integrity of threads and mounting points. A correctly installed set restores predictable vehicle behavior on the road, stability during braking, and proper cooperation with other front suspension elements.

Expanding the scope of repairs and additional materials

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

When planning larger service tasks, it is also worth analyzing other drivetrain and transmission components. A helpful guide explaining when it pays to reach for original used components instead of costly regeneration may be useful – this is discussed in detail in the article Manual transmission failures in cars – why is an original used part a more sensible choice than regeneration?.