Mercedes C118 W177 Rear Seat Center Folding Backrest Bracket Frame Mount

Mercedes C118 W177 Rear Seat Center Folding Backrest Bracket Frame Mount is an original structural component designed for the rear interior section of Mercedes vehicles, responsible for the stable mounting of the rear seat. Thanks to its factory geometry and precise fit for the specific platform, it ensures secure seat support and proper load distribution during daily use. It is a practical solution for users looking to restore the proper rigidity of the seat mounting after a collision, bodywork repair, or upholstery replacement.

Specifications and technical data

• SKU: A1779209600
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1779209600
• Substitutable numbers: A1779209600, A 177 920 96 00
• Location on the vehicle: Rear
• Category: Additional Seat Parts

Purpose and function of the component

The presented bracket is designed for installation in the rear part of the vehicle, in the passenger seat mounting zone. Its task is to maintain the correct position of the rear seat relative to the body, ensuring seat stability, proper alignment with upholstery panels, and the correct operation of the folding mechanisms and backrest locks. A properly selected bracket reduces unwanted play, squeaking, and seat shifting while driving.

Construction and fitment for Mercedes C118 / W177

The bracket has been designed specifically for the architecture of the C118 and W177 family models, which translates into precise fitment to factory mounting points. The mounting holes, profile shape, and embossing lines are consistent with the body structure, allowing the component to work with original bolts, guides, and seat latches. This solution facilitates installation and helps maintain factory safety parameters and interior ergonomics.

Application in interior repairs and upgrades

The rear seat bracket is suitable both for standard replacement of a damaged part and for more extensive interior work, such as:

• repair after a rear-end collision,
• renovation or replacement of the rear seat,
• interior adaptation after upholstery modifications,
• elimination of play and unwanted noises in the rear seat area.

By maintaining the original geometry, the bracket allows for restoring the correct seat position relative to the floor and wheel arches, which is important for both passenger comfort and the proper functioning of safety systems associated with the rear seat.

Product characteristics and condition

The item comes from the Brand: Mercedes offer and is classified in the Other seat parts group, meaning it complements main components such as frames, guides, or adjustment mechanisms. The product is in Used condition, which in practice means it was previously used in a vehicle but retains the functionality necessary for further use after proper installation. For many users, this is a cost-effective solution while maintaining original manufacturing quality.

Integration with other Mercedes seat components

The bracket works with factory rear seat elements, such as the frame, locking latches, backrest hinges, or seat belt mounts, creating a cohesive load-bearing system. Proper fitment to the body structure facilitates service work – seat removal and reinstallation can be performed without additional modifications, maintaining the original lines of the upholstery and plastic covers. This is particularly important for repairs performed in workshops specializing in the Mercedes brand, where repeatability and predictability of assembly are key.

If you are planning a comprehensive repair or upgrade of the rear seat area in your Mercedes and need other elements from the same group, such as brackets, guides, or additional mounts, check the available parts in the Other Mercedes seat parts category.

For users who are simultaneously servicing their car's drivetrain, a guide on diagnosing and selecting clutch components and dual-mass flywheels may be helpful – detailed tips can be found in the article Clutch and dual-mass flywheel – diagnostics and selection of drivetrain parts.