Mercedes W213 Finisher Window Pillar Cover Rear Left N/S High Gloss A2136900387

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W213 Finisher Window Pillar Cover Rear Left N/S High Gloss is an original body component from the Doors and door panels group, designed for installation in the rear left section of the vehicle. The cover provides an aesthetic finish to the door pillar while simultaneously protecting internal structural elements from mechanical damage and external factors. Using this OEM component allows for maintaining a consistent body appearance and the factory fit characteristic of the Mercedes brand.

Specifications and technical data

• SKU: A2136900387
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2136900387
• Substitutable numbers: A2136900387, A 213 690 03 87, KD
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and function of the component

The presented door pillar cover has been designed specifically for the rear left section of the body in W213 series models. Its placement in the rear cabin entry area means the component is responsible for both protecting the door edge and visually completing the side line of the bodywork. Thanks to its factory geometry, the cover works in harmony with adjacent door panels, seals, and upholstery, limiting the formation of unwanted gaps and play.

Using an original cover in this location is not only aesthetically important but also practical – a properly fitted panel helps limit the ingress of dirt and moisture around the pillar, which promotes the long-term stability of the body structure.

Construction and body fitment

The pillar cover has been manufactured as a component dedicated to a specific body zone, which translates into precise fitment with the rear door on the left side. The shape of the panel is consistent with the side line of the W213 body, ensuring that the continuity of creases and proportions characteristic of Mercedes is maintained after installation. The high-gloss black finish facilitates integration with most styling configurations – both in vehicles with dark and contrasting paintwork.

Original mounting points and the correct edge profile allow for installation without the need to interfere with the door or pillar structure. For body shops, this means predictable labor time, and for the user – maintaining the vehicle's factory character after repair or replacement of a damaged part.

Benefits of using an original cover

Using an original pillar cover in the rear left section of the body provides a number of practical benefits:

• maintaining a consistent side line and the appearance characteristic of the W213 series,
• factory fitment to the rear door and adjacent body panels,
• reducing the risk of rattles, vibrations, and leaks around the pillar,
• easier service work thanks to predictable mounting points,
• the ability to aesthetically replace a damaged or worn component without structural modifications.

The used OEM component is a sensible choice for drivers and workshops that want to combine cost control with maintaining factory-quality fitment and compliance with original body specifications.

Installation zone and service application

The cover is intended for installation in the rear left part of the vehicle, in the door pillar area. This location requires a component with a properly profiled surface to ensure correct adhesion to the body structure and cooperation with the door seal. In workshop practice, this part is used both for post-accident repairs and for replacing body elements worn out during operation.

Since the cover belongs to the Doors and door panels group, it serves as a natural complement to other work performed on the side of the body – e.g., replacing door skins, adjusting hinges, or renovating sills.

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

Additional information and technical support

Before selecting a pillar cover for a specific vehicle, it is worth verifying compatibility with the body version and the installation side to avoid fitment issues. In case of doubt, it is helpful to compare the shape and mounting points with the element removed from the car or consult an experienced body shop.

If you are interested in the broader context of selecting used OEM elements and want to better understand why original components are often a better choice than random replacements, read the article Noisy differential? Find out why a used OEM drive axle is a better investment than an uncertain replacement, which discusses the practical aspects of using original parts in vehicle repairs.