Mercedes-Benz C E W204 W207 W212 Rear Spring Right O/S Cover Plate A2043521688

Mercedes-Benz C E W204 W207 W212 Rear Spring Right O/S Cover Plate is an original suspension component designed to protect the rear right control arm in mid-size Mercedes models. Thanks to its factory-spec fitment, it ensures proper coverage of critical suspension points, which promotes stable operation of the chassis and limits the impact of contaminants. This is a practical solution for users who want to keep their undercarriage in good technical condition and maintain the factory driving characteristics.

Specifications and technical data

• SKU: A2043521688
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2043521688
• Substitutable numbers: A2043521688, A 204 352 16 88, KZ
• Location on the vehicle: Rear, Right
• Category: Other Steering & Suspension Parts

Purpose and function in the suspension

The described cover is a component mounted in the rear part of the vehicle on the right side, where it is responsible for protecting the control arm from water, mud, road salt, and minor impacts from the road surface. A properly selected cover limits accelerated corrosion of metal components, helps maintain suspension geometry stability, and supports the even operation of rubber-metal elements.

In Mercedes W204, W207, and W212 series vehicles, proper protection of the control arm is particularly important during daily use in urban conditions and on roads with poorer surface quality. A properly fitted cover reduces the risk of contaminants entering the mounting zone, which can translate into a longer service life for the entire system.

Compatibility with Mercedes models

Mercedes-Benz C E W204 W207 W212 Rear Spring Right O/S Cover Plate has been designed with specific body platforms in mind, which translates into proper alignment with factory mounting points. This means that when correctly selected for the body version and mounting side, there is no need for additional modifications or forcing the part into place.

The vehicle location defined as rear – right side allows for unambiguous identification of the mounting position, which is important when planning the replacement of a single component or during service work following body and mechanical repairs within the rear suspension area.

Characteristics of the used component

The offered cover comes from dismantling, which means it is a used part, but still intended for further use. In practice, this allows for an economical vehicle repair while maintaining the original design and geometry of the component. Factory origin helps maintain the proper shape, material thickness, and mounting points, which is especially important for elements operating in the immediate vicinity of the suspension.

Using a used control arm cover is a good solution in situations where the existing element has suffered mechanical damage, deformation, or corrosion, and the vehicle owner expects a reasonable compromise between repair costs and maintaining the original design specifications.

Benefits of installing the correct control arm cover

Replacing a damaged or missing control arm cover with a functional component brings a number of practical operational benefits:

• better protection of the control arm and mounting elements against external factors,
• reduction of accelerated corrosion in the rear suspension zone,
• maintenance of stable operating conditions for bushings and joints,
• more predictable vehicle behavior when driving over bumps.

For users who value precise handling and driving comfort in mid-size Mercedes vehicles, a functional rear right control arm cover is an important element of undercarriage maintenance, especially during long-term vehicle operation.

If you are planning a comprehensive repair or upgrade of the undercarriage area in your Mercedes and need other elements from the same group, such as covers, brackets, or additional mounts, check the available parts in the Other Mercedes category.

Technical support and undercarriage knowledge

When selecting elements related to the suspension and undercarriage, it is worth using reliable sources of knowledge to properly assess the condition of components and plan the scope of repairs. To compare design solutions used in different brands and sports versions, you can refer to expert materials, such as the article Audi RS vs other models – what is hidden under the hood and undercarriage?, which discusses, among other things, the differences in the construction of the undercarriage and suspension systems.