Mercedes W251 Rear Right O/S Inner Door Cover Trim A2517660491

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W251 Rear Right O/S Inner Door Cover Trim is an original body component designed for the rear right door area in W251 series models. This practical lower door edge cover helps maintain proper structural protection, improves the aesthetics of the side body section, and ensures a consistent factory finish. Thanks to its precise fit for the specific model, installation is predictable and straightforward, with no modifications required.

Specifications and technical data

• SKU: A2517660491
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2517660491
• Substitutable numbers: A2517660491, A 251 766 04 91
• Location on the vehicle: Rear, Right
• Category: Other Interior Parts & Accessories

Purpose and function of the component

The lower rear right door cover for the Mercedes W251 is responsible for shielding a critical area exposed to dirt, moisture, and minor mechanical damage. This element completes the body line, limits the accumulation of debris, and supports proper water drainage from the lower door edge area.

Using a dedicated cover allows you to:

• maintain a consistent appearance of the side body,
• reduce the risk of accelerated corrosion in the lower door area,
• preserve the factory fitment of body panels,
• limit the ingress of dirt into the door structure interior.

Compatibility and vehicle fitment

The presented cover has been designed specifically for the rear right door section of the Mercedes W251, which translates into correct geometry, mounting points, and edge shape. Dedicated vehicle placement facilitates the identification of the correct part during post-accident repairs, replacement of damaged covers, or restoring the factory look of the bodywork.

Its original Mercedes origin means that the cover works with factory mounts and does not require forced fitting, which is essential for both durability and the quality of the fit with other door panels.

Performance characteristics and installation

As a body component from the lower cover group, the trim is designed for daily operation in varying road conditions. The construction provided by the manufacturer accounts for door operation, hinge movement, and typical loads resulting from vehicle use.

The main advantages of using an original cover include:

• stable mounting in the intended structural door points,
• repeatable, factory-standard fitment with other body panels,
• easier inspection of the lower door edge condition during bodywork maintenance,
• suitability for use in body and paint repair processes as a component compliant with manufacturer documentation.

The item comes from the group of used Mercedes parts, which in practice allows for economical repair while maintaining the original design specification. This is a good solution for restoring the car to its pre-damage condition, without the need to resort to aftermarket replacements with uncertain fitment.

Application in body repairs and restoration

The lower rear right door cover is suitable for both local repairs after mechanical damage and broader restoration work within the side body area. Replacing a missing or damaged cover is important not only from an aesthetic point of view but also for protecting the door edge against long-term exposure to external factors.

In workshop practice, using an original component:

• facilitates the restoration of body lines in accordance with manufacturer guidelines,
• reduces the time required for part fitting,
• minimizes the risk of subsequent issues with leaks or gaps around the lower door edge.

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

Technical support and choosing used parts

When selecting body components for premium class vehicles, it is worth using reliable sources of knowledge and verified suppliers. Used components, such as the presented lower door cover, often represent a reasonable compromise between repair costs and maintaining the original vehicle specification.

If you want to better understand how to consciously choose elements from the secondary market and dispel common doubts regarding their quality, take a look at the article Used car parts: Myths and facts you need to know. Additionally, for a comparison of technical solutions used in sports versions of cars, you can read the material Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate construction in terms of performance and durability.