Mercedes W177 Front Sport Seat Thigh Support Heated Cloth Alcantara Black

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W177 Front Sport Seat Thigh Support Heated Cloth Alcantara Black is an original part from the Seats and Benches group, designed for installation in the front interior of the vehicle. The support is responsible for the stable mounting of the thigh support in the seat, which translates into driver and passenger comfort as well as the proper operation of the heating function. The black material finish allows for a consistent match with the factory interior styling of the Mercedes W177.

Specifications and technical data

• SKU: A1779105102
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1779105102
• Substitutable numbers: A1779105102, A 177 910 51 02
• Location on the vehicle: Front
• Color: Black
• Category: Seats and Sofas

Purpose and function of the component

The presented support is a structural part of the front seat, responsible for thigh support and maintaining the proper geometry of the seat. Thanks to this, the seat maintains stability, and the driver receives even leg support while driving, which is important during long trips and dynamic vehicle operation. The element works with the seat heating system, ensuring the correct positioning of the heating zone within the thigh support area.

Construction, color scheme, and interior integration

The support is manufactured as a structural element of the seat, adapted for operation in the front part of the vehicle cabin. The black color of the material allows for aesthetic integration into typical upholstery configurations used in the Mercedes W177, without disrupting the stylistic consistency of the cockpit. The design is intended to work with the factory seat mechanism, which facilitates installation and limits the need for additional modifications.

Condition, origin, and benefits of choosing a used part

The element comes from the used parts segment, which allows for an economical seat repair while maintaining the manufacturer's original specifications. Choosing such a solution is beneficial when you want to preserve the factory seat construction while reducing costs compared to purchasing a new component. Original origin from the Mercedes brand promotes proper fitment to the rails, adjustment mechanisms, and the installation responsible for seat heating.

Comfort, ergonomics, and practical application

A properly selected thigh support affects the ergonomics of the driving position, especially in cars used intensively or over long distances. Stable thigh support:

• reduces leg fatigue while driving,
• helps maintain a repeatable, comfortable seat position,
• supports the even operation of the heating function in the lower part of the seat.

Thanks to this, the interior retains the character typical of premium class models, and the seat remains functional and comfortable in everyday use.

Expansion and modernization of the Mercedes seating area

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 frames, seats, or backrests, check the available parts in the Mercedes Seats and Benches category.

Substantive support and inspiration for interior modernization

When planning to replace or upgrade seats, it is worth using practical advice on component selection, compatibility, and installation. A detailed discussion of how to build a comfortable interior using second-hand components can be found in the article Premium interior for half the price: second-hand seats, steering wheels, and multimedia, which covers, among other things, ergonomics, seat configurations, and the most frequently asked user questions.