Mercedes W204 Seat Belt Rear Left N/S Upper Seatbelt Black A2048602786

Mercedes W204 Seat Belt Pretensioner Left Rear is an original safety system component, designed for installation on the rear left side of the vehicle. The black seat belt with a pretensioner ensures proper cooperation with the factory mounting points in the body, maintaining consistency with the car's interior and factory safety systems.

Specifications and technical data

• SKU: A2048602786
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048602786
• Substitutable numbers: A2048602786, A 204 860 27 86
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Seat Belts & Parts

Purpose and Fit for Mercedes W204

The presented seat belt with pretensioner, left rear for Mercedes W204 belongs to the Seat Belts and Parts category and has been designed for precise fitting to the body structure of this model. Its placement on the vehicle is the rear left side, allowing for trouble-free installation in place of the factory belt without the need for modifications.

The black color ensures consistency with the typical upholstery and door panel colors in a Mercedes, allowing the component to blend harmoniously with the interior design. The product comes from the Mercedes line, which means maintaining the correct geometry of the retractor, mounting points, and compatibility with the vehicle's factory safety systems.

Construction and Function of the Seat Belt Pretensioner

The seat belt is integrated with a pretensioner, which is responsible for controlled tightening of the belt to the passenger's body at a critical moment. This limits excessive body movement relative to the seat, supporting the operation of airbags and other passive safety system elements.

• Stable belt guidance – the retractor's construction ensures even winding and unwinding of the belt.
• Precise pretensioner operation – the component is designed to work with the vehicle's safety control system.
• Factory mounting points – maintaining the original installation position on the rear left side.

This solution allows for predictable behavior of the safety system in emergency situations, in accordance with the vehicle manufacturer's intentions.

Color Scheme and Interior Integration

The black color of the belt has been chosen to aesthetically complement the factory interior of the Mercedes W204. The neutral color facilitates its use in vehicles with dark upholstery as well as in two-tone configurations, without a visual "cut-off" effect from the rest of the equipment.

• Visual consistency – the black belt does not stand out against the pillars and upholstery.
• Universal character – suitable for most interior configurations of this model.
• Professional appearance – maintaining the factory character of the passenger cabin.

Condition and Application in Vehicle Service

This item comes from the group of used seat belts and parts, making it an attractive solution for post-accident repairs, replacing a damaged belt, or restoring the full functionality of the rear seat. Choosing an original component from this category allows for compliance with factory design assumptions and cost reduction compared to new components.

Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and to check the correct operation of the belt retractor and locking mechanism in a service environment.

Why Choose This Seat Belt with Pretensioner?

• Original Mercedes origin – maintaining factory geometry and mounting points.
• Dedicated rear left placement – easier installation without body modifications.
• Integration with the safety system – cooperation with the pretensioner system and vehicle safety control.
• Neutral black color – aesthetic match for the Mercedes W204 interior.
• Sensible service choice – possibility of economical repair of the seat belt system.

If you are looking for other items in the Mercedes Seat Belts and Parts category, check out the Mercedes Seat Belts and Parts available in our store to select complete solutions for your vehicle.

When deciding on a component from the used category, it is worth reading the Global Parts guide: Original, Aftermarket, or Used – Which Car Parts Are Most Cost-Effective?, where you will find a comparison of costs, quality, and fit of parts by OEM numbers.