Mercedes-Benz E-Class W211 Rear Right Centre Seat Belt Latch Buckle A2118600869

Mercedes-Benz E-Class W211 Rear Right Centre Seat Belt Latch Buckle is an original component from the Seat belts and parts group, designed for installation on the right side of the rear seat. It allows for secure fastening of the centre seat belt, ensuring stable attachment and proper operation with the factory safety system in your Mercedes.

Specifications and technical data

• SKU: A2118600869
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118600869
• Substitutable numbers: A2118600869, A 211 860 08 69, ASZ
• Location on the vehicle: Rear, Right
• Category: Seat Belts & Parts

Purpose and function in the safety system

The described latch is dedicated to the rear right part of the seat, where it serves the centre seat belt. Its task is to precisely lock the belt buckle so that proper connection rigidity is maintained during daily use and in emergency situations. Thanks to the factory design, full compatibility with the seat structure and body mounting points is preserved.

The component works with the stock seat belt, ensuring proper webbing guidance, correct buckle positioning, and predictable system behavior during braking or collisions. This is particularly important when transporting passengers in the centre rear seat, where the mounting geometry is more demanding than in the outer positions.

Design, fitment, and installation

The latch has been designed specifically for the rear right interior of the E-Class W211, which translates into an excellent fit with factory guides, mounting holes, and upholstery. The appropriately selected cable length and the angle of the latch head facilitate passenger access to the buckle while reducing the risk of the belt twisting or being positioned incorrectly.

The original design ensures:

• proper cooperation with the factory tensioner and belt mechanism,
• stable attachment to the seat structure or body,
• a consistent look with other Mercedes interior elements.

As a result, installation is straightforward – once properly bolted, the latch is located exactly where the manufacturer intended, without the need for modifications or adjustments to the upholstery.

Performance characteristics of the used component

The presented seat belt latch is a used part, sourced from vehicle dismantling. This means it retains the manufacturer's original specifications while providing an economical solution compared to a new component. Such parts are frequently chosen for post-accident repairs, replacing damaged belts, or restoring the full functionality of the rear seat.

Choosing an original, used latch allows you to maintain the integrity of the safety system, avoiding fitment issues that may occur with aftermarket replacements of uncertain origin. It is a practical solution for users who value technical correctness and predictable belt system operation.

Safety, compliance, and application

As an element of the passive safety system, the rear right centre seat belt latch is crucial for passenger protection. A properly functioning locking mechanism minimizes the risk of accidental buckle release and ensures the belt remains securely held against the user's body. Combined with factory mounting points and seat construction, it forms a cohesive protective system designed by Mercedes engineers.

Thanks to this component, it is possible to restore full functionality to the centre rear seat, which is important both from a safety perspective and for the vehicle's daily utility – especially in cars used for transporting families or larger numbers of passengers.

If you are planning a comprehensive repair or upgrade of the safety zone inside your Mercedes cabin and need other items from the same group, such as tensioners, belt webbing, or mounts, check out the available parts in the Mercedes seat belts and parts category.

Cost optimization and technical knowledge

When selecting safety system components, it is worth considering both technical and economic aspects. Using original parts from dismantling allows for significant repair cost savings while maintaining compliance with the manufacturer's factory solutions. In the case of more extensive service work, analyzing the experiences of users of other brands and models can be helpful – especially where differences in engine or accessory design affect repair profitability.

To better understand how choosing the right components translates into service budgets and long-term vehicle operation, it is worth reading an article comparing popular Volkswagen units: Volkswagen 1.9 TDI vs 1.4 TSI – evolution of VW engines and repair costs. Although it concerns a different brand, it clearly shows how informed decisions regarding parts – including used ones – affect the total cost of vehicle maintenance.