Mercedes X164 Molding Trim Quarter Window Glass Rear Right O/S A1646905480

Mercedes X164 Molding Trim Quarter Window Glass Rear Right O/S is a precisely fitted component from the Window seals and moldings category, designed for installation on the rear right side of the vehicle body. It is responsible for effectively draining water from the glass surface and providing stable guidance for its edge, which improves vehicle comfort and reduces the risk of contaminants entering the door interior. Thanks to its factory design for the Mercedes brand, the molding maintains the correct geometry and ensures consistency with the original body line.

Specifications and technical data

• SKU: A1646905480
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1646905480
• Substitutable numbers: A1646905480, A 164 690 54 80
• Location on the vehicle: Rear, Right
• Category: Window Seals, Gaskets & Trims

Purpose and vehicle placement

The described molding trim is designed for installation in the area of the rear right side window. Its placement at this point on the body ensures that the component works in direct contact with the glass, guiding its edge during opening and closing, and collecting rainwater and fine debris from the glass surface.

This solution reduces moisture accumulation inside the door, supports corrosion protection for the structure, and helps maintain the stable operation of the window regulator mechanism. Proper fitment of the molding to the rear right side of the vehicle is crucial for maintaining the seal and the correct operation of the entire system.

Technical function and installation benefits

The molding trim performs several important operational functions:

• guides the window along the edge, stabilizing its vertical movement,
• collects water and fine dirt from the glass surface,
• limits the ingress of moisture into the door interior,
• supports the operation of seals within the window frame.

As a result, installing such a component helps improve acoustic comfort, reduces the risk of internal window fogging, and extends the service life of window regulator mechanisms. A properly selected molding trim also helps maintain the aesthetic appearance of the window edge, without unwanted gaps or looseness.

Product characteristics and fitment for Mercedes

The molding has been developed specifically for Mercedes vehicles, which translates into a proper fit for the window profile and door frame shape. The construction, based on factory solutions, ensures compatibility with original mounts and maintains the correct body line after installation.

The component comes from the secondary market, which allows for an economical replacement of a worn or damaged molding while maintaining parameters close to factory specifications. This is a practical solution for users who want to restore the correct operation of the window and seals without interfering with the door structure.

Why it is worth using a dedicated molding trim

Using a molding designed specifically for the rear right window in a Mercedes X164 helps avoid problems with poor fitment, excessive pressure on the glass, or the formation of gaps. The dedicated working profile ensures even contact with the glass surface, which translates into smooth window movement and effective water drainage.

Replacing a worn component with a functional molding trim is particularly recommended in situations where friction noises occur during window operation, visible signs of wear appear on the window edge, or there is increased moisture inside the door. It is a simple yet technically justified upgrade for the window area.

Expanding upgrades within Mercedes seals and moldings

If you are planning a comprehensive repair or upgrade of the window area in your Mercedes and need other elements from the same group, such as additional guide moldings, edge seals, or window profiles, check out the available parts in the Mercedes window seals and moldings category.

Additional knowledge and practical installation tips

When replacing moldings and seals around windows, it is worth paying attention to the condition of other interior trim elements and cabin comfort. For those who want a broader approach to refreshing the vehicle interior, practical tips on selecting used components, their installation, and optimal use may be useful. More information can be found in the article Premium interior for half the price: second-hand seats, steering wheels, and multimedia, which discusses the approach to cabin upgrades using parts from the secondary market.