Mercedes W221 Seat Belt Buckle Rear Middle Centre Right O/S Black A2218600269

The Mercedes W221 Rear Middle Seat Belt Buckle Clip is an original part from the Seat Belts and Parts category, designed for installation in the rear of an S-Class vehicle. It ensures proper seat belt fastening, contributing to the safe and stable transport of passengers on the rear bench seat.

Specifications and technical data

• SKU: A2218600269-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218600269
• Substitutable numbers: A2218600269, A 221 860 02 69
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Seat Belts & Parts

Purpose and Function of the Seat Belt Buckle

The presented seat belt buckle is specifically designed for the rear of the body, on the right side. It is responsible for the mechanical fastening and release of the seat belt, as well as for correctly holding the buckle during driving, braking, and in emergency situations. Due to its factory origin, full compatibility with the seat structure and the seat belt mounting system in the Mercedes S-Class W221 generation is maintained.

This component is particularly important for the safety of rear seat passengers, as it is responsible for the final connection of the belt-buckle system. A properly selected buckle minimizes the risk of incorrect fastening, looseness, or accidental unbuckling while driving.

Construction, Color, and Interior Fitment

The buckle features a black finish, allowing for an aesthetic match with most upholstery configurations used in the Mercedes W221. The neutral color scheme facilitates integration with factory center console plastics and seat side panels, maintaining a cohesive interior appearance.

As a component from the Seat Belts and Parts group, the buckle has been developed with consideration for mechanical strength requirements and resistance to daily wear and tear. The design anticipates stable mounting to the seat structure or body, which promotes the predictable performance of the passive safety system in the vehicle.

Benefits of Using an Original Buckle in the Mercedes W221

Using a factory buckle in the Mercedes S-Class W221 offers a number of practical benefits:

• Full Geometric Compatibility – proper fitment to rear bench seats and factory mounting points.
• Integration with the Safety System – designed to work with original seat belts, without requiring modifications.
• Aesthetic Interior Finish – the black color helps maintain a uniform appearance of the passenger cabin.
• Stable Mechanism Operation – predictable belt fastening and release, improving everyday usability.

A component configured in this way allows for the restoration of the factory safety standard when replacing a worn or damaged buckle in the rear of the vehicle.

Condition, Origin, and Service Application

The offered buckle is an original Mercedes part, sourced from disassembly. This type of component is particularly useful in professional post-accident repairs, when replacing damaged seat belt system components, and in situations where restoring the completeness of the rear bench seat equipment is necessary.

Thanks to its preserved factory design, it can be installed in place of the existing part without altering the seat or body structure. This solution is beneficial for both workshops specializing in the Mercedes brand and for individual users who wish to maintain their vehicle in a configuration close to its original state.

Related Products and Technical Knowledge

If you are looking for other items from the Seat Belts and Parts category dedicated to this brand, check out the Mercedes Seat Belts and Parts available in our store to select compatible components for your S-Class or other manufacturer models.

When planning major repairs or upgrades to the powertrain and safety systems, it is worth expanding your knowledge on the cost-effectiveness of using aftermarket components. The article on our blog Used Gearbox – When is it Worth It and What You Need to Know may be helpful, where we discuss practical aspects of selecting used parts, compatibility issues, and approaches to component refurbishment.