Seat Buckle Mercedes W221 Beige Tensioner Belt Rear Right O/S A2218602569

Visual condition of the part 

The product shows signs of use visible in the photos. 

Seat Buckle Mercedes W221 Beige Tensioner Belt Rear Right O/S is an original component from the Seat belts and parts category, designed for installation on the rear right side of the vehicle. It enables the seat belt to be fastened correctly, ensuring a stable connection with the tensioner while maintaining the factory functionality of the passenger protection system. This solution allows for the full restoration of the rear seat's safety features while maintaining the interior's color consistency.

Specifications and technical data

• SKU: A2218602569
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218602569
• Substitutable numbers: A2218602569, A 221 860 25 69, BG
• Location on the vehicle: Rear, Right
• Color: Beige
• Category: Seat Belts & Parts

Purpose and technical function

The presented seat buckle has been designed specifically for the rear right side of the Mercedes S-Class W221 cabin. As a component that works in conjunction with the seat belt tensioner, it is responsible for mechanically locking the buckle and transmitting the seat belt fastening signal to the vehicle's system (if the car is equipped with such a signal). A correctly selected buckle is crucial for maintaining the effectiveness of the passive safety system on the rear seat.

The placement on the rear right side ensures that the component is dedicated to a specific seating position, which minimizes the risk of installation issues and ensures proper belt routing relative to the seat and body mounting points.

Compatibility with Mercedes W221

The element has been developed with the interior architecture of the Mercedes S-Class W221 in mind, ensuring it maintains factory-fit compatibility with the seat structure and center tunnel. The appropriate mounting geometry and the length of the buckle's working section allow for installation without interfering with the original body mounting points.

As a part originating from the same model line, the buckle works with the factory seat belts and tensioners used in the W221, which helps maintain the integrity of the entire system and reduces the risk of malfunction during sudden braking or a collision.

Color scheme and interior integration

The beige finish of the buckle has been selected for Mercedes W221 interiors with light-toned upholstery, ensuring the component harmoniously blends into the cabin's styling line. Maintaining a uniform color scheme is important not only from an aesthetic point of view but also for the vehicle's value – especially in the case of premium class cars.

Selecting a buckle in the correct color helps avoid material and visual contrasts that could suggest unprofessional repairs or the use of random replacement parts.

Characteristics of the used component

The offered seat buckle is a used part, meaning it comes from vehicle disassembly but retains its structural functionality. Such components are frequently chosen for servicing high-end cars because they allow for the maintenance of the original specification while optimizing repair costs. In the case of items from the Seat belts and parts category, it is particularly important to use only solutions consistent with the vehicle's factory design.

Safety, service, and additional information

When replacing a seat belt buckle, it is recommended that the installation be performed by a person with experience in working with passive safety systems. Proper tightening of mounting points, correct routing of wires (if present), and checking the operation of the latch mechanism are crucial for maintaining the full functionality of the system.

If you are planning a comprehensive repair or upgrade of the rear passenger safety zone in your Mercedes and need other elements from the same group, such as belt retractors, tensioners, or additional mounts, check the available parts in the Seat belts and parts Mercedes category.

For drivers who are simultaneously servicing comfort systems in their car, practical tips regarding the selection and operation of components responsible for cabin conditions may be useful – you can find them in the article Air conditioning and heating – selection of parts and maintenance for year-round comfort, which discusses, among other things, the principles of choosing used OEM components and maintenance schedules.