Mercedes W177 Rear Seat Bench Isofix Bracket Right O/S Mount Holder A1779202000

The Mercedes W177 Rear Right Seat Isofix Mount is an original part from the Other Seat Parts category, designed for the secure installation of a child seat on the rear right side of the bench seat. Its robust construction, factory fit, and compatibility with the Isofix system ensure a secure seat anchorage and a stable connection to the vehicle's body.

Specifications and technical data

• SKU: A1779202000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1779202000
• Substitutable numbers: A1779202000, A 177 920 20 00
• Location on the vehicle: Rear, Right
• Category: Additional Seat Parts

Purpose and Function of the Isofix Mount

The Isofix mount for the rear right seat in the Mercedes W177 is responsible for the mechanical connection of the child seat to the seat structure, eliminating the need to rely solely on seat belts. This component operates in the rear passenger side area, where precise positioning and repeatable latch geometry are particularly important.

The Isofix solution allows for:

• stable anchorage of the child seat at designated mounting points,
• limitation of unwanted seat movement during driving,
• easier, repeatable installation and removal of the child seat without the risk of incorrect belt routing.

Construction and Fit for Mercedes W177

The Isofix mount in question has been specifically designed for the rear seat architecture of the Mercedes W177 class, taking into account the precise geometry of the right side of the rear seat. This ensures compatibility with the factory mounting points in the body and the shape of the seat frame.

Key construction features:

• dedicated placement in the rear – right side of the vehicle,
• compatibility with the Isofix system used in this model,
• preservation of the original force distribution line in case of overload.

This precise fit translates to hassle-free installation in place of the original component, without the need for seat frame modifications or interference with the body structure.

Benefits of Using an Original Mount

Choosing an original Isofix mount for the rear right seat in the Mercedes W177 is a solution that supports both the safety and ergonomic use of a child seat. This part from the Other Seat Parts category maintains the parameters specified by the vehicle manufacturer, which is important for compatibility with approved child seats.

The most important advantages of using this mount:

• preservation of the factory geometry of the Isofix points,
• secure transfer of loads from the child seat to the seat and body structure,
• easier maintenance of the correct seat position in daily use.

This provides the user with a consistent, predictable mounting system, in line with the car manufacturer's design intentions.

Characteristics as a Used Part

This component comes from the secondary market, which helps to reduce service costs while maintaining the original technical specifications. As a used part, you gain access to a factory mounting solution that has already been verified in real-world operating conditions.

When choosing a used Isofix mount, it is worth paying attention to:

• absence of visible structural deformations,
• condition of the mounting points to the seat frame and body,
• proper functioning of the elements that interact with the seat latches.

This approach allows for a combination of economic benefits with the maintenance of an appropriate level of safety in the rear seat area.

Related Products and Technical Knowledge

If you are assembling a rear seat or upgrading the child seat mounting system in your Mercedes, and you also need other parts for this brand's seat equipment, check out the available parts in the Other Mercedes Seat Parts category.

For more extensive service work on the drivetrain or suspension, an article discussing the differences between standard and sports solutions and the selection of used parts may be helpful – a detailed discussion can be found in the material Standard vs. Sports Suspension – Construction Differences and Is It Worth Buying Used Suspension Parts?.

If you want to better understand how to consciously choose second-hand components and optimize car operating costs, it is worth familiarizing yourself with a practical guide to the used market: Used Parts – Your Guide to the Best Deals in the Automotive Store.