Mercedes GLA 250 X156 Retaining Bracket Lock Left N/S Rear Backrest A1569208100

Mercedes 250 X156 Left Rear Seat Latch Lock is an original mounting element designed for factory rear seats in Mercedes vehicles. It is responsible for securely locking the left part of the rear seat, which affects the stability of the seat structure and the safety of passengers. This is a practical solution for users who want to restore the proper function of the rear bench seat folding and locking mechanism after damage or wear of the factory latch.

Specifications and technical data

• SKU: A1569208100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1569208100
• Substitutable numbers: A1569208100, A 156 920 81 00
• Location on the vehicle: Rear, Left
• Category: Additional Seat Parts

Purpose and Function of the Seat Latch Lock

The presented latch lock is an element from the Other Seat Parts group, responsible for mechanically securing the rear seat after it has been set in its working position. It is mounted in the rear bench seat area on the left side of the vehicle, thus cooperating with the factory seat folding and locking mechanism. A properly functioning latch lock reduces unwanted play, minimizes rattling, and improves overall acoustic comfort inside the cabin.

The element has been specifically designed for the seat structure in the 250 X156 series models, ensuring proper fit to the original mounting points and compatibility with the standard seat rails and locks.

Construction, Installation, and Vehicle Fitment

The left rear seat latch lock is constructed as a precision component that works with the seat lock mechanism. Its geometry is adapted to the factory mounting points in the body and the shape of the seat frame, which facilitates installation without the need for modifications. Its placement in the rear area, on the left side, allows for the preservation of the original functionality of the split rear bench seat and the correct operation of the backrest and seat folding system.

In practice, installation involves replacing the damaged or worn element with the presented latch lock, using the factory mounting points. This allows for the restoration of proper seat locking without interfering with the body structure or the seat frame.

Benefits of Using an Original Mercedes Part

Using an original seat latch lock in a Mercedes vehicle helps maintain the structural integrity of the seat system. Proper fit to the original components reduces the risk of improper seat closure and also decreases the likelihood of play developing during use. This is particularly important in cars where the rear bench seat is frequently folded to increase luggage space.

A used element is a good solution for users looking for an economical yet original-compliant mounting part. This allows for the restoration of the full functionality of the locking mechanism without the need to purchase an entire seat or complex seat modules.

Integration with Other Interior and Comfort Zone Elements

A functional left rear seat latch lock not only affects seat stability but also contributes to acoustic comfort and the ergonomics of using the rear cabin. Proper seat locking reduces vibrations and noise, which is particularly noticeable when driving on uneven surfaces. In conjunction with properly functioning seat belts and seat adjustment systems, it creates a cohesive system that ensures safe and predictable behavior of the rear bench seat.

If you are planning a comprehensive repair or upgrade of the rear seating area in your Mercedes and need other parts from the same group, such as rails, mounts, or additional handles, check the available parts in the category Other Mercedes Seat Parts.

Operation, Maintenance, and Selection of Used Parts

When selecting a used seat latch lock, it is worth paying attention to the condition of the working surfaces, the absence of excessive play, and proper cooperation with the seat lock mechanism. Regular inspection of this area allows for early detection of wear, which may manifest as difficulties in closing the seat or characteristic rattling noises during driving.

For vehicles where the rear bench seat folding function is frequently used, periodic checks of the locking mechanism are recommended to maintain seat stability and ensure interior comfort. For drivers interested in a broader approach to maintaining cabin comfort, including selecting used components responsible for thermal conditions, an article on our blog may be helpful: Air Conditioning and Heating – Part Selection and Maintenance for Year-Round Comfort.