Mercedes Vito W447 Seat Belt Upper Front Left N/S Seatbelt A4478603685

The Mercedes Vito W447 Front Left Upper Seatbelt is an original safety system component designed for installation on the front left passenger seat. This product, from the Seatbelts and Parts category, ensures proper compatibility with the vehicle's factory mounting points and safety systems.

Specifications and technical data

• SKU: RHD-A4478603685
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4478603685
• Substitutable numbers: A4478603685, A 447 860 36 85, 629520200C
• Location on the vehicle: Front, Left
• Part type: Seat Belt
• Category: Seat Belts & Parts

Intended Use and Fitment for Mercedes Vito W447

The presented front left upper seatbelt for Mercedes Vito W447 is designed as a component to be installed in the front area, on the left side. Thanks to its construction conforming to Mercedes factory standards, the belt works with the original mounting points on the pillar and seat, facilitating installation and maintaining the original webbing path geometry.

Its placement in the front part of the cabin on the left side allows the belt to be used as a replacement for a factory component in case of wear, mechanical damage, or the need for replacement after a collision. Maintaining the correct position relative to the seat and body is crucial for the proper functioning of the passive safety system.

Construction and Function of the Upper Seatbelt

The upper seatbelt in the Mercedes Vito W447 is responsible for the stable routing of the webbing from the anchoring point in the lower part of the body to the upper mounting on the pillar. This component works with the retractor mechanism and buckle, forming a complete system to secure the person sitting in the front left seat.

Key functions of this component include:

• Maintaining the correct webbing path relative to the user's torso and shoulder, which reduces the risk of displacement during sudden braking.
• Compatibility with the factory retractor mechanism, ensuring appropriate belt tension during driving and locking in the event of sudden overload.
• Stable mounting in the front left area, conforming to the body structure of the Vito W447, which translates to predictable behavior of the safety system.

Benefits of Using an Original Mercedes Seatbelt

Using an original seatbelt in the Mercedes Vito W447 allows for the preservation of parameters intended by the vehicle manufacturer. The correct geometry, webbing length, and retractor mechanism characteristics are adapted to the seat, pillar, and floor construction of this model.

Key advantages include:

• Factory fitment to the body – no need for modifications to mounting points or interference with the pillar structure.
• Compatibility with the passive safety system – the belt works with other system components, such as pretensioners or airbags (if present in the specific vehicle configuration).
• Restoration of original safety system operating conditions after accident repair or replacement of a worn component.

Condition, Verification, and Service Application

The offered seatbelt is a used component, making it an attractive solution for workshops and users seeking an economical yet OEM-compliant replacement option. Such components are often used in professional services specializing in accident repairs and the restoration of commercial vehicles.

Before installation, a standard check of the retractor mechanism's functionality and verification of compatibility with the specific vehicle equipment version are recommended. A correctly selected and installed belt restores the full functionality of the safety system on the front left seat.

Other Mercedes Seatbelts and Parts

If you also need other items from the Mercedes Seatbelts and Parts category for your vehicle, check out the Mercedes Seatbelts and Parts available in our assortment to select a complete solution for your safety system.

More About Selecting Original Used Parts

Selecting original used parts, including safety system components, requires a conscious approach to manufacturer markings and service procedures. If you want to better understand how to work with OEM and reference numbers and how to safely use parts from dismantling, check out the article BMW – Sporty Performance and Precision. How Original Used Parts Extend the Life of the Bavarian Icon?, which describes practical principles for selecting and verifying parts using a premium brand as an example.