Mercedes W177 Front Seat Thigh Support Alcantara Leather Black Left Right N/O/S

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W177 Front Seat Thigh Support Alcantara Leather Black Left Right N/O/S is an original upholstery component designed for driver or passenger seats. This precisely crafted module allows you to restore full seat functionality, improve ergonomics, and maintain a consistent, factory-original look for your A-Class W177 interior.

Specifications and technical data

• SKU: A0009106809
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009106809
• Substitutable numbers: A0009106809, A 000 910 68 09
• Location on the vehicle: Front, Left, Right
• Color: Black
• Category: Seats and Sofas

Purpose and compatibility

The presented thigh support is a component from the Seats and benches group dedicated to Mercedes A-Class W177 generation models. The design is intended for installation in the front seat on either the left or right side, allowing for use on both the driver and passenger side, depending on the interior configuration.

The element has been designed as part of the seat length adjustment system, ensuring that after proper installation, it restores a comfortable leg position and proper thigh support on long journeys.

Construction and materials

The support is made of a combination of Alcantara and black leather, which ensures consistency with the factory seat finish in versions with a more sporty or premium character. The use of these materials translates into a pleasant-to-the-touch surface, reduced clothing slippage, and an aesthetic appearance that matches the rest of the upholstery.

The black color scheme facilitates integration with most W177 interior configurations, minimizing the visibility of operational dirt and allowing for a uniform stylistic line of the cockpit.

Function and benefits of installation

The extendable thigh support in the front seat plays an important role in seating ergonomics, especially for taller users or frequent highway driving. A properly functioning element:

• provides stable thigh support along the entire length of the seat,
• reduces leg muscle fatigue during longer journeys,
• helps maintain the correct position behind the wheel,
• increases the overall interior comfort and perceived quality of the seats.

For owners whose original support is worn or damaged, replacing it with a functional element from the same series allows for restoring the factory properties of the seat without the need to purchase a complete seat.

Characteristics of the used product

The element comes from disassembly, which means it is an original Mercedes component with preserved geometry and compatibility with factory W177 seat mounts. The used nature of the part allows for an economical repair while maintaining OEM quality of workmanship and fitment.

Choosing an original Alcantara and leather thigh support instead of upholstery replacements reduces the risk of differences in shade, texture, or shape, which is important when maintaining a consistent look for the entire cabin.

Interior integration and expansion

The thigh support in a black finish blends well with other front seat elements, such as side bolsters, backrests, or headrests, creating a uniform, organized space for the driver and passenger. In the case of a comprehensive seat modernization, it is worth considering replacing other components of the same group to achieve an even level of wear and aesthetics.

If you are planning a comprehensive repair or modernization of the seating area in your Mercedes and need other elements from the same group, such as seats, backrests, or headrests, check the available parts in the Mercedes Seats and benches category.

More about seat replacement and driving comfort

For drivers considering a broader interior transformation, including replacing entire seats or seat sets, practical tips regarding the impact of branded used seats on comfort and vehicle value may be useful. See how to choose the right seats, what to pay attention to when buying from disassembly, and how such a modernization translates into daily operation by reading the article Interior transformation: How branded seats from disassembly will drastically improve comfort and increase the value of your car.