Mercedes W415 Rear Outer Bench Seat Belt Buckle Catch Latch Left N/S A4158600169

The Left Rear Seat Belt Buckle Latch for Mercedes W415 is an original safety system component designed for installation on the left side of the rear seat. This component is sourced from Mercedes factory equipment and serves as a precisely fitted replacement for a worn or damaged latch, restoring the proper function of the seat belt.

Specifications and technical data

• SKU: A4158600169
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4158600169
• Substitutable numbers: A4158600169, A 415 860 01 69
• Location on the vehicle: Rear, Left
• Category: Seat Belts & Parts

Intended Use and Function of the Component

The presented rear seat belt buckle latch has been specifically designed for the Mercedes W415 body style and is installed in the rear of the vehicle, on the left side. It is responsible for securely fastening the seat belt, stably holding the buckle, and ensuring proper cooperation with the factory locking mechanism.

This element belongs to the Seat Belts and Parts category, making it an ideal fit for the factory architecture of the passenger protection system on the rear seat. Using an original latch minimizes the risk of looseness, misalignment, and buckle locking issues during daily operation.

Construction and Fit for Mercedes W415

The offered latch has been developed by the manufacturer with a specific model in mind, which translates to:

• precise fit for the rear seat – correct cable length, appropriate mounting, and buckle receptacle geometry,
• compatibility with the factory seat belt – proper engagement of the belt tongue and secure holding in the fastened position,
• integration with original mounting points – no need for modifications, drilling, or adapters.

This ensures an organized installation process, and the entire system maintains the parameters intended by Mercedes engineers.

Benefits of Using an Original Latch

Replacing a worn or damaged latch with an original component from the same model line offers a range of practical benefits:

• maintaining the factory safety level – proper buckle locking in emergency situations,
• stable belt system operation – no accidental unbuckling, a secure "click" when fastening,
• consistency with the vehicle's interior – matching shape and routing of the element relative to the original rear seat upholstery,
• easier diagnostics – in case of inspections or technical reviews, the belt system retains its factory configuration.

Condition and Practical Application

The item is a used part, allowing for a favorable cost while maintaining the original manufacturer's specifications. Such used safety system components are often chosen for post-accident repairs, replacement of worn latches, or restoring the full functionality of the rear seat in vehicles subjected to intensive use (e.g., fleets, taxis, family cars).

Before installation, a standard check of the latch mechanism's correct operation and verification of compatibility with the specific vehicle equipment version are recommended to ensure the full functionality of the seat belt system.

Other Mercedes Seat Belts and Parts

If you are looking for other Mercedes seat belts and parts for your car, check out our dedicated offer: Mercedes Seat Belts and Parts. There you will find a wide selection of safety system components tailored to various models of this brand.

More on the Sensibility of Used Parts

When choosing components from the secondary market, it's worth understanding the broader context of using used parts in German car brands. Practical tips, application examples, and a discussion of the cost-effectiveness of such solutions can be found in the article: Volkswagen – Solidity and Reliability. Why Used VW Parts are a Sensible Choice?.