Mercedes W177 Window Seal Door Rear Right O/S Sealing Strip A1777352401 Black

Visual condition of the part

The product shows signs of use visible in the photos. Mercedes W177 Window Seal Door Rear Right O/S Sealing Strip is an original body component designed for installation in the rear right door area. Thanks to its precise fit for the W177 model design and elegant Chrome finish, the seal ensures window tightness, improves acoustic comfort, and visually streamlines the vehicle's side profile. It is a practical solution for users who want to maintain the factory look and functionality of the doors in their Mercedes.

Specifications and technical data

• SKU: A1777352401-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1777352401
• Substitutable numbers: A1777352401, A 177 735 24 01
• Location on the vehicle: Rear, Right
• Color: Chrome
• Category: Window Seals, Gaskets & Trims

Purpose and function in the bodywork

The presented seal is a part of the Window seals and moldings group, designed specifically for the rear right door window in the Mercedes W177 class. It is responsible for the stable guidance of the window in the door frame, limiting water ingress, and reducing wind noise while driving. A properly selected seal also supports the operation of the window lifting mechanism, reducing the risk of jamming and improper closing.

Technical and visual characteristics

The Chrome finish gives the window and door edge an aesthetic, orderly look, consistent with the Mercedes body styling line. The chrome molding visually lengthens the side line of the car and blends well with both light and dark body paints. The element has been designed as part of the window sealing system, ensuring it maintains the appropriate rigidity while remaining flexible enough to adhere properly to the glass.

Condition of the item and benefits of choosing a used part

The seal is offered in used condition, which allows you to combine original fitment with a more favorable cost compared to a new component. For many Mercedes W177 users, this is a sensible way to restore proper door sealing after a collision, disassembly, or natural wear of the factory seal. Choosing an original, used part from this group allows you to maintain dimensional and material compatibility with other door assembly components.

Usage comfort and operational aspects

A properly selected and installed rear right window seal limits moisture from entering the door interior, which promotes a longer service life for the window lifting mechanism and the electrical installation in the door. Additionally, it improves cabin acoustic comfort by reducing wind noise at higher speeds. Maintaining a consistent Chrome finish is also important when reselling the vehicle – complete, aesthetic moldings and side seals are one of the elements that demonstrate proper car maintenance.

Expansion of upgrades within windows and moldings

If you are planning a comprehensive repair or upgrade of the side window area in your Mercedes and need other elements from the same group, such as additional window moldings, guide seals, or chrome finishing profiles, check the available parts in the Mercedes window seals and moldings category. For users also considering savings when servicing other vehicle systems, a guide on the safe selection of dismantled components in the fuel supply area may be helpful – you can find more practical tips in the article Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?.