Mercedes-Benz S-Class W220 Rear Left Inner Pillar Cover Trim Black A2206903740

Mercedes-Benz S-Class W220 Rear Left Inner Pillar Cover Trim Black is an original interior trim component designed for installation on the left side of the rear cabin. This is a practical solution for W220 owners looking to restore a consistent upholstery look and maintain the factory character of their Mercedes' luxurious interior.

Specifications and technical data

• SKU: A2206903740
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2206903740
• Substitutable numbers: A2206903740, A 220 690 37 40, AS
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Other Interior Parts & Accessories

Application and function in the W220 body

The described component is an inner rear pillar cover on the left side, responsible for the aesthetic finishing of the body structure in the rear cabin area. The black pillar trim blends harmoniously with other interior panels, masking structural elements and ensuring a cohesive, orderly appearance.

Its placement in the rear zone of the vehicle means this part affects not only aesthetics but also the visual comfort of passengers, limiting the visibility of raw body elements and improving the perceived quality of the entire interior.

Compatibility and fitment for the Mercedes-Benz S-Class W220

The element was designed specifically for the W220 generation S-Class body, which translates into a precise fit to the pillar shape and factory mounting points. Original Mercedes brand origin ensures the maintenance of proper geometry, correct embossing, and compatibility with other upholstery panels in the rear of the cabin.

The dedicated placement on the rear left side eliminates the need for any modifications, and installation is limited to correctly seating the element in the manufacturer-provided mounting points, while maintaining the factory fitment lines.

Color scheme and interior integration

The black color of the trim allows for easy integration of the element into typical S-Class W220 interior configurations, where dark shades dominate. The neutral black color works well with both dark seats and contrasting decorative inserts, creating a visually consistent layout.

Thanks to the preservation of the factory color tone, replacing a damaged or worn pillar with this element allows for minimizing visual differences between the newly installed part and the remaining interior panels.

Characteristics of the used part

As a used part, the pillar trim comes from vehicle disassembly, which allows for maintaining the original manufacturer specification and compliance with the factory finishing standard. This type of component is particularly useful for post-accident repairs, replacing damaged panels, or restoring the interior to a near-factory state without the need for aftermarket replacements with uncertain fitment.

The original interior element also ensures predictable material behavior in the long term, including shape stability and proper adhesion to adjacent panels and seals.

Expanding your Mercedes interior upgrade

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

Technical knowledge and part selection

When selecting interior trim elements, it is worth paying attention to body generation compatibility, mounting side, and color scheme to avoid fitment issues and shade differences. For more extensive upgrade projects or comparisons between different equipment lines, technical materials and structural analyses of other premium models may be helpful – discussed more broadly in the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate equipment and components within a single model range.