Mercedes-Benz A B W169 W245 Rear Left N/S Side Seat Base Frame Mount Holder

Mercedes-Benz A B W169 W245 Rear Left N/S Side Seat Base Frame Mount Holder is an original structural component from the Seats and Benches group, designed for installation in the rear left section of the interior. It ensures stable seat mounting, proper support, and secure seating of the chair in the vehicle body, which is important for both passenger comfort and upholstery durability.

Specifications and technical data

• SKU: rhd-A1699200320
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1699200320
• Substitutable numbers: A1699200320, A 169 920 03 20, KZ
• Location on the vehicle: Rear, Left
• Category: Seats and Sofas

Purpose and compatibility with Mercedes-Benz models

The presented frame is dedicated to the rear left seats in Mercedes A-Class W169 and B-Class W245 models. The structure has been designed for specific mounting points in the body, ensuring that the factory fit of interior elements, proper seat geometry, and the passenger position intended by the manufacturer are maintained.

The placement in the rear part of the vehicle on the left side allows for seamless integration with the original bench seat, rails, seat belt mounts, and other interior equipment elements. This solution is particularly useful for repairs after collisions, corrosion, or mechanical damage to the frame.

Construction and function of the seat base frame

The seat base frame plays a key load-bearing role for the entire seat: it transfers loads from the seat to the body, stabilizes the passenger's position, and maintains the appropriate structural rigidity. The original design ensures:

• precise placement of mounting points to the body,
• stable support for the seat foam and upholstery,
• maintenance of the height and seat angle intended by the manufacturer,
• proper cooperation with folding or disassembly mechanisms of the bench seat (if present in the given configuration).

Thanks to the preservation of factory geometry, there are no unwanted play, squeaks, or seat misalignments after installation, which translates into stable and predictable seat behavior during daily use.

Benefits of using an original used component

Choosing an original, used seat base frame for a Mercedes allows you to combine reasonable repair costs with the preservation of factory mounting parameters. Compared to replacements with uncertain geometry, the original component ensures:

• compliance with factory mounting points and interior layout,
• easier installation without the need for modifications,
• maintenance of the seating comfort intended by the manufacturer,
• consistent appearance and functionality of the entire rear bench seat.

This is a practical solution when replacing a damaged base, provided the upholstery and foam are in good condition and only need to be transferred to a functional frame. This allows for the controlled restoration of the original interior functionality without interfering with other parts of the bench seat.

Application in interior modernization and seat assembly

The Mercedes-Benz A B W169 W245 Rear Left N/S Side Seat Base Frame Mount Holder will prove useful not only for post-accident repairs but also when completing the interior after partial disassembly or when replacing seats with other equipment versions within the same vehicle generation. It enables:

• supplementing a missing structural element during an interior swap,
• restoring full functionality of the rear bench seat after mechanical damage,
• maintaining structural consistency when installing original seats from disassembly.

If you are considering a broader modernization of the seating area, it is worth checking out practical tips regarding the selection of used seats and the impact of such modifications on comfort and vehicle value – details can be found in the article Interior metamorphosis: how branded seats from disassembly improve comfort and car value.

Expanding repairs within Mercedes seats and benches

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.