Backrest Lock Mercedes W169 W245 Rear Seat Folding Left N/S Handle A1699200972

Backrest Lock Mercedes W169 W245 Rear Seat Folding Left N/S Handle is an original backrest folding mechanism component, designed for installation in the rear of the vehicle on the left side. It ensures secure locking of the backrest, stable support for the seat, and convenient operation thanks to the integrated handle. This is a practical solution for users who want to restore the proper functionality of the rear seat in their Mercedes.

Specifications and technical data

• SKU: A1699200972-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1699200972
• Substitutable numbers: A1699200972, A 169 920 09 72, KD
• Location on the vehicle: Rear, Left
• Category: Additional Seat Parts

Purpose and function of the backrest lock

The presented backrest lock is responsible for securely locking the rear seat backrest in the operating position and releasing it during folding. Its placement in the rear of the vehicle on the left side allows for precise fitment to the factory seat mechanism in Mercedes compact class models equipped with a split rear seat.

This component is particularly important in vehicles that are heavily used, where the backrest folding function is frequently utilized for transporting cargo. A functional lock minimizes the risk of the backrest folding accidentally and improves the comfort of daily interior use.

Construction, ergonomics, and installation

The backrest lock with handle has been designed as a part compatible with the factory Mercedes seat construction, which facilitates installation in place of a worn or damaged component. The arrangement of mounting points and the kinematics of the mechanism are matched to the original backrest frame, so the replacement does not require any structural modifications.

The control handle provides convenient access for the user sitting on the rear seat or operating from the trunk, depending on the interior configuration. The properly selected lever geometry allows for smooth backrest release while maintaining a noticeable resistance, which facilitates control over the mechanism's operation.

Benefits of using an original used component

Choosing an original backrest lock with handle from the Other seat parts segment allows for maintaining the structural integrity of the entire seat system. The factory part is designed to work with a specific type of frame, hinges, and latches, which translates into proper fitment and predictable behavior while driving.

A used component of this type represents a reasonable compromise between the cost of repair and maintaining the original build quality. In many cases, it is a more cost-effective solution than using unverified replacements, especially in critical mechanisms responsible for locking the backrest and the safety of transported passengers.

Application in the rear, left part of the vehicle

The placement on the vehicle in the rear zone on the left side means that the lock works with a specific segment of the seat backrest. Thanks to this, the mechanism maintains the correct geometry relative to the body latches and guides, which is crucial for proper closing and even pressure of the backrest against the vehicle structure.

Such a fit is important not only for comfort but also for reducing unwanted noises, play, and vibrations in the rear part of the cabin. A properly functioning lock helps maintain backrest stability when driving over bumps and during sharper maneuvers.

Technical support and additional information

Before installation, it is worth verifying the compatibility of the lock with the specific interior equipment version and the type of rear seat in a given Mercedes unit. Data such as vehicle make, model designation, and information about the seat configuration can be helpful and will facilitate unambiguous part matching.

If you are planning a comprehensive repair or upgrade of the seat area in your Mercedes and need other components from the same group, such as guides, adjustment mechanisms, or additional handles, check the available parts in the Other Mercedes seat parts category.

More practical tips regarding the selection of used body and interior equipment components can be found in the article on our blog: Post-accident repair of your car: why are used body parts a better choice than replacements?.