Mercedes W177 Door Window Strip Seal Rear Left N/S Chrome A1777352301

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W177 Door Window Strip Seal Rear Left N/S Chrome is a precise, original body trim component designed for the rear left door area in W177 series models. The chrome finish of the strip ensures a consistent look with factory details, while the properly shaped seal supports correct window guidance and aesthetic closure of the door edge. This is a solution for users who want to maintain the factory look and functionality of the side window line in their Mercedes.

Specifications and technical data

• SKU: A1777352301-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1777352301
• Substitutable numbers: A1777352301, A 177 735 23 01
• Location on the vehicle: Rear, Left
• Color: Chrome
• Category: Moulding Strips

Purpose and function of the component

The rear left door window strip seal is responsible for tight and stable window guidance as well as the aesthetic finishing of the upper door edge. This component works in direct contact with the glass, which is why its proper fit is important for:

• limiting the ingress of water and contaminants into the door interior,
• reducing wind noise in the rear part of the body,
• maintaining an even gap between the glass and the door frame,
• preserving a consistent decorative line with other chrome strips.

The placement in the rear left part of the vehicle requires a precise fit for this side of the body, which translates into proper alignment with the door structure and the window.

Chrome finish and body aesthetics

The chrome color of the strip gives the side window line a characteristic, elegant look, typical of premium finishes in Mercedes cars. The properly selected shade of chrome allows for a uniform visual effect with other decorative body elements, such as other strips around the windows or details near the pillars.

The element from the Decorative strips and tapes category serves both a functional and decorative role here – it improves the visual perception of the side of the vehicle without disrupting the factory design line. As a result, after replacing the window strip seal, the rear doors regain a consistent look with the rest of the bodywork.

Installation characteristics and fitment

The window strip seal has been designed specifically for the rear door structure on the left side in the W177 series, which translates into a proper fit to the shape of the door frame and window guide. The appropriate geometry of the component facilitates installation and allows for:

• stable seating of the strip in the door slot,
• proper adhesion to the glass along its entire length,
• reduction of vibrations and unwanted noises while driving,
• repeatable door closing without additional adjustments.

As a part intended for a specific model, the strip does not require shape modifications, which is important for maintaining factory assembly tolerances.

Component condition and service application

The product is in used condition, making it a practical solution for post-accident repairs, replacing damaged strips after mechanical interference, or refreshing the side of the body without the need to purchase new components. For many users, this is a reasonable compromise between cost and maintaining the original vehicle specification.

Integration with other Mercedes decorative elements

If you are planning a comprehensive repair or modernization of the side area in your Mercedes and need other elements from the same group, such as additional window strips, decorative door strips, or chrome finishing tapes, check the available parts in the Mercedes decorative strips and tapes category.

For those interested in a broader context of car modernization and the impact of replacing body and equipment elements on the character of the car, the article describing the evolution of one of the classic hot-hatches may be helpful – Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – structural changes and VW car parts.