Mercedes W177 Rear Tailgate Hatch Boot Lid Trunk Seal Gasket Rubber A1777402300

Mercedes W177 Rear Tailgate Hatch Boot Lid Trunk Seal Gasket Rubber is a precisely fitted, original body component from the Tailgates and rear parts group, designed for installation in the rear of the vehicle. The rubber seal is responsible for tightly closing the tailgate, reducing noise, and protecting the interior of the trunk from water and contaminants. It is a practical solution for users who want to restore the factory functionality and operating comfort of their Mercedes.

Specifications and technical data

• SKU: A1777402300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1777402300
• Substitutable numbers: A1777402300, A 177 740 23 00
• Location on the vehicle: Rear
• Category: Boot & Hatch Lids

Purpose and function of the tailgate seal

The presented seal has been designed specifically for the rear of the body, where it is responsible for a tight connection between the tailgate and the car body. Thanks to a properly selected rubber profile and fit to the shape of the tailgate, this component:

• limits the ingress of water and moisture into the luggage compartment,
• minimizes the penetration of dust and fine contaminants,
• reduces unwanted noise and vibrations while driving,
• supports proper tailgate closing and stability of its position.

A properly selected tailgate seal is important both for protecting the trunk upholstery and for the durability of electrical and body components in this area.

Construction and fit for Mercedes W177

The tailgate seal is made of a flexible rubber material that provides adequate elasticity and shape stability under typical car operating conditions. The design intended for the Mercedes W177 series allows for installation at factory mounting points, which translates into:

• secure adhesion to the edges of the tailgate and body,
• maintaining the correct body line after closing the tailgate,
• compatibility with original hinges and the tailgate lock.

Such a fit allows for the restoration of original sealing parameters and acoustic comfort without the need for body modifications.

Benefits of using an original rear seal

Using a dedicated seal in the rear of the vehicle brings measurable utility benefits. The most important include:

• Protection of the trunk interior – reducing the risk of dampness in upholstery, plastic elements, and electrical installations.
• Stable tailgate closing – the proper thickness and elasticity of the rubber support the operation of the lock and the tailgate mechanism.
• Improvement of acoustic comfort – reduction of noise and rattling coming from the rear of the body.
• Aesthetics and body consistency – maintaining the factory line of the tailgate's contact with the body.

For users who pay attention to body tightness and daily driving comfort, replacing a worn seal with a properly selected component is a simple and effective solution.

Product characteristics and condition

The offered seal belongs to the Tailgates and rear parts group and is intended for Mercedes vehicles. The product comes from disassembly, which means it is a used component, but one that retains the functionality necessary for further use. This type of component is a reasonable choice for people who want to keep their car in good technical condition while controlling repair costs.

Before installation, it is recommended to perform a standard inspection of the seal surface and the contact edges on the body to ensure even pressure and full tightness after closing the tailgate.

Expanding the modernization of the rear body

If you are planning a comprehensive repair or modernization of the rear body area in your Mercedes and need other elements from the same group, such as additional seals, mounting elements, or components related to the tailgate closing, check the available parts in the Mercedes Tailgates and rear parts category.

For drivers interested in improving safety and visibility while driving, a practical guide on choosing lighting may also be helpful – you can find it in the article See more and better – a complete guide to selecting and replacing used LED and Xenon headlights, which discusses the selection of original lighting components in a technical and factual manner.