Mercedes R171 C-Pillar Column Roof Trim Cover Left N/S Tanzanite Blue - 359

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes R171 C-Pillar Column Roof Trim Cover Left N/S Tanzanite Blue is an original body component designed for the left side, perfect for a precise replacement of a damaged trim in models from this series. As part of the Protective and decorative moldings category, this product helps maintain the stylistic consistency of the bodywork and the proper lines of the roof. The carefully selected Tanzanite Blue Metallic - 359 shade makes it easy to visually match the vehicle's existing paintwork.

Specifications and technical data

• SKU: A1717900319-TB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1717900319
• Substitutable numbers: A1717900319, A 171 790 03 19, A1717940128, A 171 794 01 28
• Location on the vehicle: Left
• Color: Tanzanite Blue Metallic - 359
• Category: Body Mouldings & Trims

Purpose and function of the component

This C-pillar roof trim has been designed specifically for the Mercedes R171 body and is mounted on the left side of the vehicle. It is responsible for the aesthetic finish of the upper body section, masking the panel edges and ensuring a seamless transition between the roofline and the rear part of the body. As an element from the Protective and decorative moldings group, it serves both a visual and protective function for critical sheet metal connection zones.

Color and visual matching

The trim is finished in the attractive Tanzanite Blue Metallic - 359 color, which belongs to the Mercedes metallic paint palette. This allows for maintaining a uniform body appearance without the need for additional painting, or with only minimal correction, depending on the condition of the vehicle's coating. The metallic structure of the paint highlights the characteristic contours of the roof and C-pillar, which positively impacts the visual perception of the car's entire side profile.

Installation characteristics

The component is intended for installation on the left side of the vehicle, which eliminates the risk of error when selecting parts. The trim's design is adapted to the factory mounting points in the R171 body, facilitating the work of body shops and painters while reducing repair time. By maintaining the original geometry, it is possible to achieve correct gaps and alignment with adjacent roof panels and the rear body section.

Condition and service application

The product is used, making it a cost-effective solution for accident repairs or restoration projects where reasonable costs are important while maintaining original specifications. This type of component is suitable both for local repair of a damaged C-pillar and for broader bodywork involving the side of the vehicle. Choosing an original roof trim allows you to maintain the factory character of the vehicle and avoid problems with fitting aftermarket replacements.

Compatibility within the Mercedes brand

The C-pillar roof trim for the Mercedes R171 is part of the series' body finishing system, ensuring compliance with the stylistic line and assembly technology used by the manufacturer. Proper factory markings allow for verification of compatibility with a specific body version, and the use of an original component reduces the risk of improper fitment or unwanted stress within the roof area.

Bodywork modernization extension

If you are planning a comprehensive repair or modernization of the roof and pillar area in your Mercedes and need other elements from the same group, such as side trim moldings, edge covers, or decorative profiles above the windows, check out the available parts in the Mercedes protective and decorative moldings category.

Technical support and brand knowledge

For users interested in a wider range of service work on Mercedes vehicles, including powertrains, an article describing the characteristics of the brand's popular diesel engine, its typical faults, and ways to restore efficiency may be helpful. You can find more information in the article: The second life of the Mercedes OM642 engine – how injectors and a turbocharger restore the power of the 3.0 V6 CDI.