Seat Buckle Mercedes W204 Rear Left N/S Seat Tensioner Lower Belt A2048602769

Left Rear Seat Belt Buckle for Mercedes W204 with lower belt tensioner is a component from the seat belts and parts category, designed for installation on the rear left side of the vehicle. This is a used OEM part that allows for the restoration of the vehicle's safety system's proper function while maintaining the factory mounting geometry.

Specifications and technical data

• SKU: A2048602769
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: A2048602769
• Substitutable numbers: A2048602769, A 204 860 27 69, BG
• Location on the vehicle: Rear, Left
• Category: Seat Belts & Parts

Intended Use and Vehicle Placement

The presented seat belt buckle with tensioner has been designed for the rear left side of the vehicle. This placement is crucial for:

• proper routing of the lower belt section relative to the seat and body,
• ensuring the correct buckle position relative to the passenger seated in the rear left,
• maintaining the tensioner's factory operating characteristics in case of sudden braking or collision.

Thanks to its dedicated placement, the component works in conjunction with the seat structure and body mounting points, which reduces the risk of incorrect belt positioning and improves passenger safety.

Construction and Technical Function

The Left Rear Seat Belt Buckle for Mercedes W204 combines the buckle mechanism and the lower belt tensioner in a single housing. This design allows for:

• secure fastening of the seat belt with clear, mechanical confirmation of engagement,
• controlled interaction with the tensioning system within the vehicle's passive safety system,
• maintaining appropriate mounting rigidity at the point of attachment to the seat structure or floor.

The component is adapted for use in the factory system, meaning it is designed to match original wiring harnesses, mounting points, and interior geometry of the vehicle.

Benefits of Using a Used Original Part

Choosing a used, original seat belt buckle with a tensioner offers a number of practical advantages:

• factory fit to the seat and body structure – no need for modifications or adaptations,
• maintained compatibility with the vehicle's safety system – proper cooperation with other belt system components,
• optimal cost-to-functionality ratio compared to new aftermarket parts of unknown origin.

A used component allows for economical repair while maintaining the vehicle's original technical specifications, which is important for both safety and subsequent diagnostics.

Selection and Compatibility

To correctly select the Left Rear Seat Belt Buckle with Tensioner, pay attention to:

• compatibility with the specific body version and seating arrangement in the given model,
• correct placement on the vehicle – rear, left side,
• consistency with the existing seat belt system and vehicle electronics.

If you have doubts about the fit, it is helpful to compare the mounting structure and housing shape with the part originally installed in the car.

BMW Seat Belts and Parts – Related Offer

If you are looking for other components from the BMW seat belts and parts category, check out our dedicated offer: BMW 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 Cost-Effectiveness of Buying Used Components

When deciding to install a used safety system component, it is worth familiarizing yourself with the general principles of selecting second-hand parts, their verification, and assessing the cost-effectiveness of repairs. Practical tips for analyzing the technical condition, comparing the costs of refurbishment and purchasing a used component can be found in the article: Used Gearbox – When is it Worth It and What You Need to Remember. Although the text concerns gearboxes, the principles presented there also help in making sensible decisions when purchasing other used automotive components.