Mercedes R171 C-Pillar Column Roof Trim Left N/S Calcite White - 650 A1717940128

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes R171 C-Pillar Column Roof Trim Left N/S Calcite White is an original body component from the Convertible roofs, cars and parts group, designed for installation on the left side of the vehicle. Thanks to its factory Calcite White - 650 color, it allows for a visually consistent match to the body paint without the need for additional color matching. This used OEM component is a sensible choice for post-accident repairs, visual corrections, and restoring the original body lines of the Mercedes R171 convertible.

Specifications and technical data

• SKU: A1717900319-CW
• 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: Calcite White - 650
• Category: Hardtops, Roof Panels & Parts

Purpose and function of the component

The described C-pillar trim is an external roof area component for the convertible, responsible for the aesthetic and technical finishing of the left side of the body. A correctly selected and installed panel:

• stabilizes the transition area between the roof and the rear part of the body,
• conceals internal mounts and guides of the roof mechanism,
• ensures a visually consistent flow of the vehicle's side line,
• limits the ingress of dirt into the space under the paneling.

Thanks to its factory fit for the R171 convertible construction, the trim works in harmony with other roof panels, maintaining proper geometry and mounting gaps.

Calcite White - 650 color and visual matching

The factory Calcite White - 650 paint is a popular shade used in Mercedes models, which makes it easier to maintain a uniform body color when replacing individual components. Using an originally painted C-pillar trim:

• minimizes the risk of shade differences between the new and existing element,
• limits the scope of any potential paint work to the absolute minimum,
• allows for a faster restoration of the aesthetic appearance of the convertible's side section.

For body shops and users who care about the consistent appearance of the vehicle, this is a practical solution for local repairs.

Installation characteristics and benefits of used OEM

The left C-pillar trim has been designed as an element dedicated to the specific construction of the Mercedes convertible, which translates into precise fitting with adjacent panels and factory mounting points. A used OEM component means:

• preservation of the original geometry and body lines,
• compatibility with factory brackets and guides,
• reasonable cost compared to a new part while maintaining proper fitment.

This type of part works well both for post-collision repairs and for the gradual restoration of the body in older convertible models.

Application in Mercedes convertible repairs

Replacing the left C-pillar trim is particularly important in situations where there has been mechanical damage in the roof area or scratches and paint defects affecting the vehicle's appearance. A correctly selected element:

• restores the continuity of the side body line,
• improves the overall presentation of the convertible,
• can reduce the need for body filler and straightening of damaged panels.

For Mercedes R171 owners, this is a practical way to perform a technically correct and economical repair of the roof area without interfering with the vehicle's load-bearing structure.

If you are planning a comprehensive repair or upgrade of the roof area in your Mercedes and need other elements from the same group, such as roof panels, side trims, or guide finishes, check the available parts in the Convertible roofs, cars and parts Mercedes category.

How to consciously choose used body components

When selecting used body panels, it is worth paying attention to model compatibility, color, and body type to avoid problems with installation and visual matching. In the case of original components for popular models, such as Mercedes convertibles, a practical guide to the secondary market may be helpful – you can find it in the article The best used car parts – a guide to the most frequently chosen original parts for popular car makes and models.

Additional information on how to effectively use dismantled parts when servicing older vehicles is also provided by the guide No parts at the dealership? How to deal with repairing older models using dismantled parts, which discusses the practical aspects of selecting and installing used body and equipment components.