Mercedes W251 Seat Belt Buckle Front Left N/S Latch Tensioner A2518603169

The Left Front Seat Belt Buckle Latch for Mercedes W251 is an original safety system component designed for installation on the front left seat. It ensures proper cooperation of the seat belt with the tensioner system, which translates to stable belt fastening and improved protection for the driver or passenger.

Specifications and technical data

• SKU: A2518603169
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2518603169
• Substitutable numbers: A2518603169, A 251 860 31 69
• Location on the vehicle: Front, Left
• Category: Seat Belts & Parts

Purpose and Function in the Vehicle

The presented left front seat belt buckle for Mercedes W251 is part of the seat belts and parts category, responsible for securely fastening the belt and transmitting a signal about its fastening to the vehicle's system. The component is mounted on the front left seat position, which is important when selecting the correct part for a specific interior configuration.

A correctly selected buckle with a tensioner helps in:

• maintaining the correct seat belt routing relative to the seat and body,
• ensuring stable fastening during daily use,
• cooperating with the tensioner system in emergency situations.

Technical and Installation Characteristics

The component has been designed specifically for the Mercedes W251 body, thus retaining factory mounting points and geometry adapted to the seat and center console structure. Its placement on the vehicle, specified as front – left side, facilitates unambiguous part selection when comparing with the existing component in the car.

In practice, this means:

• easier installation without the need for modifications to the mountings,
• compatibility with the factory wiring harness for the tensioner,
• consistency with the original seat and center console construction.

Original Origin and Condition

This is an original Mercedes part from disassembly, meaning it retains the vehicle manufacturer's factory specifications. A used component allows for economical repair while maintaining compliance with the solutions intended by Mercedes engineers.

Choosing an original, used buckle with a tensioner often represents a sensible compromise between cost and quality, especially when we aim to maintain the factory safety standard without investing in refurbishment or aftermarket parts of uncertain parameters.

Part Selection and Technical Support

Before purchasing, it is advisable to compare the vehicle placement and body type with the currently installed component to ensure full compatibility with the seat belt system. It is also helpful to verify the part number and interchangeable numbers in the technical specifications, which minimizes the risk of selecting the wrong component.

If you are considering whether refurbishment or installing an original used part would be a better solution, check out the article: Refurbished or Used Original – Which Part to Choose for Repair?. There you will find practical tips to help you make an informed decision when planning a safety system repair.

Other Seat Belts and Parts for Mercedes

If you are looking for other items from the seat belts and parts category for Mercedes, check out our dedicated offer: Mercedes Seat Belts and Parts. This will allow you to easily complete the remaining components of the safety system in your vehicle, maintaining brand and specification consistency.