Mercedes W176 Trim Cover C-Pillar Left N/S Interior Panel Black A1766902100

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W176 Trim Cover C-Pillar Left N/S Interior Panel Black is an original interior trim component designed for installation on the left rear side of the vehicle body. This aesthetic C-pillar cover allows you to restore the factory look of the cabin, ensuring a seamless finish and secure attachment of the upholstery in your Mercedes. Thanks to its precise fit for the specific W176 generation, installation is predictable and technically straightforward, while the visual effect remains consistent with the OEM standard.

Specifications and technical data

• SKU: A1766902100-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1766902100
• Substitutable numbers: A1766902100, A 176 690 21 00
• Location on the vehicle: Left
• Color: Black
• Category: Trim

Purpose and function of the component

The described C-pillar cover is dedicated to installation on the left rear side of the Mercedes W176 model. Its purpose is to aesthetically cover the pillar structure, wiring, and upholstery mounting points, ensuring the interior maintains a cohesive, orderly appearance. The component belongs to the Trims, decorative strips, and moldings group, meaning it is responsible for both the visual aspect and protecting sensitive parts of the lining from accidental mechanical damage.

Color and visual fit

The cover features a black finish, which facilitates integration with typical interior configurations used in the Mercedes W176. The dark color scheme allows for discreet blending of the component with the side upholstery, headliner, and other trim components, without a visual "cut-off" effect. As a result, after installation, the entire left rear zone of the cabin retains a uniform character, and the joint lines remain clear and technically correct.

Installation characteristics

The C-pillar cover has been designed with the factory mounting points of the W176 body in mind, which translates into a predictable installation process. A correctly selected component for the left side of the vehicle allows you to:

• recreate the original lines of the upholstery in the rear part of the cabin,
• provide stable support for adjacent trim panels,
• minimize the risk of looseness, rattles, and resonance in the C-pillar area.

Thanks to its factory geometry, the cover works well with original clips and mounts, which facilitates service and potential future removal, e.g., during bodywork or when routing additional equipment wiring.

Condition and service application

The product is used, making it an attractive service solution in situations where it is necessary to replace a damaged or missing C-pillar cover, and the priority is to maintain the vehicle's original specifications. This type of component is particularly suitable for:

• post-accident repairs in the rear part of the body,
• interior restoration after upholstery removal,
• replacing missing panels after previous modifications.

Using an original cover allows you to maintain material and structural consistency with other interior components, which is important both from an aesthetic point of view and for the future resale value of the vehicle.

Selection support and configuration expansion

When selecting used trim components, it is crucial to pay attention to compatibility with the specific body version, mounting side, and interior color. If you want to better understand how to professionally verify compatibility and OEM markings, it is worth using practical tips – a detailed discussion can be found in the article No more bad purchases! How to professionally choose used car parts.

If you are planning a comprehensive repair or upgrade of the interior trim area in your Mercedes and need other elements from the same group, such as covers, decorative strips, or additional decorative panels, check out the available parts in the Mercedes Trims, decorative strips, and moldings category.