Mercedes-Benz CLC CL203 Rear Right O/S Seat Belt Buckle Tensioner A2038601869

Mercedes-Benz CLC CL203 Rear Right O/S Seat Belt Buckle Tensioner is an original component from the Seat belts and parts group, designed for installation on the rear right side of the vehicle. It enables proper fastening of the seat belt, providing stable support and ensuring the correct operation of the passenger restraint system. This is a practical solution for users looking to restore full functionality to the rear seat of their Mercedes.

Specifications and technical data

• SKU: A2038601869
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2038601869
• Substitutable numbers: A2038602869, A 203 860 28 69, A2038601869, A 203 860 18 69, A2038600469, A 203 860 04 69
• Location on the vehicle: Rear, Right
• Category: Seat Belts & Parts

Purpose and function of the buckle tensioner

The presented buckle tensioner is dedicated to the rear right interior of the car, where it is responsible for the secure connection of the seat belt to the body structure. This component works in conjunction with the seat belt mechanism, allowing for proper routing and locking in emergency situations. This ensures that the passenger in the rear seat is securely held in the seat during sudden braking or a collision.

The placement on the rear right side of the vehicle allows for precise alignment with the factory mounting points in the Mercedes body, which facilitates installation and reduces the risk of improper positioning. A properly selected buckle tensioner is crucial for maintaining compliance with the factory design of the passive safety system.

Compatibility and advantages of using OEM parts

As a Mercedes brand component, the buckle tensioner has been designed for full compatibility with the factory seat belt mounting system in the CL203 body type. Using an original part from the same construction group minimizes the risk of installation issues, poor fitment, or incompatibility with existing anchor points.

The main benefits of using this component include:

• maintaining the factory geometry of the seat belt routing on the rear right side,
• consistency with original mounts and upholstery elements,
• no need for structural modifications to the body,
• maintaining the safety system performance parameters specified by the manufacturer.

Additionally, the presence of dedicated interchangeable numbers in the technical specification facilitates verification of compatibility with a specific vehicle configuration, which is particularly important when selecting used parts.

Installation characteristics of the rear right side

The placement of the buckle tensioner on the rear right side requires alignment with the factory mounting points in the floor or side of the body, depending on the specific interior version. This element works with the seat belt and the belt buckle, creating a complete path for routing and locking the webbing.

During installation, it is important to:

• maintain the correct orientation of the buckle relative to the seat and passenger,
• use the appropriate mounting points provided by the manufacturer,
• check for free movement of the belt within the structurally intended range.

This approach allows for maintaining the consistency of the entire seat belt system operation on the rear bench and limits the risk of malfunction during sudden overload.

Used condition and practical aspects

The offered buckle tensioner comes from the used parts category, which allows for an economical restoration of the safety system's efficiency while maintaining the original Mercedes design. In practice, this means the ability to match the element to the existing installation without the need for replacements with uncertain geometry.

When choosing a used component, it is worth paying attention to:

• compatibility of the placement on the vehicle (rear, right side),
• consistency with the Seat belts and parts category,
• presence of appropriate markings in the technical specification that confirm belonging to the correct model group.

An element selected in this way allows for a technically correct repair without interfering with the body structure and without the need to modify other components of the seat belt system.

Expanding the safety system in your Mercedes

If you are planning a comprehensive repair or upgrade of the rear seat passenger safety zone in your Mercedes and need other elements from the same group, such as tensioners, buckles, or complete seat belts, check out the available parts in the Mercedes seat belts and parts category.

To better plan service work and shorten the vehicle's downtime in the workshop, it is worth familiarizing yourself with practical tips regarding the selection of used OEM elements – you will find them in the article Availability of car parts off the shelf vs. repair time – how do used OEM parts shorten workshop stays?.