Mercedes W639 High Roof Cover Strip Moulding Center Left N/S A6396900370

Mercedes W639 High Roof Cover Strip Moulding Center Left N/S is an original body component from the Protective and decorative strips category, designed for installation on the left side of the roof. This used OEM part ensures a factory fit, an aesthetic finish for the roof edge, and protection of this critical area against mechanical damage and weather conditions.

Specifications and technical data

• SKU: A6396900370
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6396900370
• Substitutable numbers: A6396900370, A 639 690 03 70
• Location on the vehicle: Left
• Category: Body Mouldings & Trims

Purpose and function of the roof moulding

The roof moulding on the left side of the Mercedes W639 model is responsible for covering and organizing the roof edge, as well as providing an aesthetic closure to the body line. As an element from the Protective and decorative strips category, it serves both a protective and visual function, improving the vehicle's stylistic consistency and securing the contact point between the roof and other body components.

Its placement on the left side of the vehicle allows for precise alignment with factory mounting points, which facilitates installation and minimizes the risk of leaks or improper adhesion to the roof surface.

Benefits of using an original Mercedes moulding

Using an original roof moulding dedicated to the Mercedes W639 ensures:

• factory fit with the roof line and adjacent body components,
• consistent appearance with other protective and decorative strips,
• preservation of the roof edge aerodynamics as designed by the manufacturer,
• reduced risk of corrosion in the mounting area due to proper component adhesion.

Consequently, replacing a damaged or missing moulding with an original component helps restore the vehicle's original appearance and maintain the proper level of roof protection.

Installation characteristics

The roof moulding designed for the left side is engineered for specific mounting points on the Mercedes W639 body, which simplifies service work and reduces the need for additional adjustments. This used OEM part is a practical solution for accident repairs, replacing parts affected by corrosion, or completing missing body components.

Before installation, it is recommended to verify compatibility with your specific vehicle and inspect the condition of the roof surface where the moulding is to be seated to ensure proper adhesion and secure attachment.

Application in body restoration and repairs

In the process of restoring the Mercedes W639 body, properly selected protective and decorative strips are important for both aesthetics and the durability of the repair. Replacing the left roof moulding allows you to:

• replace a missing element after previous body and paint repairs,
• replace a part with visible signs of wear or mechanical damage,
• restore a uniform appearance to the roof line on both sides of the vehicle.

As a result, the vehicle gains a more orderly appearance, and the roof area is better protected against external factors.

Related items from the same group

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 covers, overlays, or additional strips, check out the available parts in the Mercedes protective and decorative strips category.

For vehicle owners interested in a broader perspective on selecting and installing used body components and accessory systems, the following guide article may be helpful: Second-hand Mini John Cooper Works Pro sports exhaust – a legal way to get a racing sound and +7 HP, which discusses practical aspects of choosing second-hand parts, their compatibility, and installation.