Mercedes W639 Rear Left Trim Panel Cover Black Interior A6396370640

The Mercedes W639 Left Rear Interior Panel Black is a factory-original interior trim part designed for installation in the rear left section of the cabin. The black trim allows for a visually cohesive restoration of the original setup, which is particularly important for post-accident repairs or completing missing elements. Thanks to its factory-set geometry, the panel ensures proper fitment with adjacent upholstery parts and secure mounting.

Specifications and technical data

• SKU: A6396370640
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6396370640
• Substitutable numbers: A6396370640, A 639 637 06 40
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Other Engine Parts

Panel Purpose and Function

The presented interior panel has been specifically designed for the rear left interior of the Mercedes W639 model. It is responsible for the aesthetic finishing of the side cabin area, covering structural body elements, and routing any wiring located behind the upholstery.

Its placement in the rear of the vehicle makes this part significant for both passenger comfort and the protection of internal body structures from mechanical damage resulting from daily use.

Color Scheme and Visual Matching

The black color of the panel ensures consistency with the factory interior finish of this Mercedes version. The neutral, dark shade helps maintain cabin aesthetics, effectively masks minor dirt, and is easy to care for. This makes the part suitable for both partial replacement of a single panel and more extensive rear interior refurbishment.

Its original Mercedes origin helps preserve the factory interior character, eliminating the need for aftermarket replacements with different shades or surface profiles.

Mounting Characteristics

The panel is designed for installation in a specific location – the rear left side – which simplifies identification of the correct part when assembling the interior. The construction intended for this specific body model allows for the use of factory mounting points and maintains the correct alignment with adjacent trim pieces.

This solution minimizes the need for modifications and facilitates a quick restoration of the interior's original appearance after bodywork repairs or the removal of previous components.

Condition and Practical Application

This item is a used part from a dismantled vehicle, meaning it is pre-owned but still functional for further use. Such components are often chosen for repairs of commercial vehicles where cost-effective interior restoration while maintaining factory specification compliance is important. The panel is well-suited for both fleet vehicles and privately owned cars where preserving the original cabin character is a priority.

Mercedes Interior Expansion and Modernization

If you are planning a comprehensive repair or modernization of the interior area in your Mercedes and require other parts from the same group, such as additional panels, covers, or side trims, check the available parts in the Other Mercedes category.

For more extensive work on improving the vehicle's performance and handling characteristics, a comparison of solutions used in higher-performance cars might be helpful – it's worth reading the article Audi RS vs. Other Models – What's Under the Hood and Chassis? to better understand the structural differences and manufacturers' approaches to mechanical components.

If you are simultaneously considering improving driving comfort by replacing seats, the guide on used interior equipment might offer inspiration – find more information in the entry Interior Metamorphosis: How Branded Used Seats Drastically Improve Comfort and Increase Your Car's Value.