Mercedes W251 Pillar Trim Moulding Cover Rear Right O/S Door A2516901689

Mercedes W251 Pillar Trim Moulding Cover Rear Right O/S Door is an original body component from the Doors and door panels group, designed for installation in the rear right section of the vehicle. It provides an aesthetic finish to the door edge and pillar, while simultaneously protecting the body structure against mechanical damage and the influence of external factors.

Specifications and technical data

• SKU: A2516901689
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2516901689
• Substitutable numbers: A2516901689, A 251 690 16 89
• Location on the vehicle: Rear, Right
• Category: Doors & Door Skins

Purpose and function of the component

The rear right door pillar trim moulding for the Mercedes W251 model is responsible for covering the critical junction between the door and the body structure. This component:

• stabilizes the finish of the door edge and pillar,
• limits the ingress of dirt and moisture around the sheet metal edges,
• improves the visual consistency of the side body line,
• supports the correct positioning of door seals and linings.

Thanks to its precise fit for the specific body model, installation is predictable, with no need for modifications or fitting universal replacements.

Construction and body fitment

The moulding has been designed as a component dedicated to the rear right part of the vehicle, which translates into a precise fit with the door edge and pillar. The properly shaped profile allows for:

• proper adhesion to sheet metal surfaces,
• compatibility with factory mounting points,
• maintaining the correct geometry in the rear body area.

Such a solution facilitates the work of body technicians and mechanics, shortening installation time and minimizing the risk of stress or unwanted gaps in the door area.

Characteristics of the used component

The offered moulding comes from disassembly, which means it is a used part that retains the factory geometry and construction intended by the manufacturer. In practice, this translates into:

• compatibility with original mounting points in the body,
• easier alignment with adjacent door panels,
• the possibility of an economical repair of the door and pillar zone without the need to purchase a new part.

For workshops and individual users, this is a solution that allows for maintaining a consistent appearance of the side body section at controlled repair costs.

Application in the door and pillar zone

Replacing a damaged rear right pillar trim moulding is particularly important after side collisions, parking scrapes, or corrosion of the door edges. A correctly selected component:

• restores the correct door line relative to the pillar,
• reduces the risk of further damage to paint coatings,
• supports sealing in the area where the door meets the body.

Thanks to this, it is possible to achieve an aesthetic final result after body repair, without visible differences in fitment compared to other elements of the vehicle's side section.

Related components from the door group

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as skins, reinforcements, or additional covers, check the available parts in the Mercedes Doors and door panels category.

If you want to better plan your body repair using disassembled parts and compare their advantages with new parts, the guide article on replacing body components with used sheet metal parts, which discusses the practical aspects of selecting and installing such components, may be helpful.