Mercedes W221 Seat Buckle Beige Tensioner Belt Rear Left N/S A2218601169

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W221 Seat Buckle Beige Tensioner Belt Rear Left N/S is an original component from the Seat belts and parts group, designed for installation on the rear seat on the left side. This used, factory-original part ensures proper cooperation with the seat belt tensioner, maintaining compatibility with the safety system design of this model.

Specifications and technical data

• SKU: A2218601169
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218601169
• Substitutable numbers: A2218601169, A 221 860 11 69
• Location on the vehicle: Rear, Left
• Color: Beige
• Category: Seat Belts & Parts

Purpose and function in the vehicle

The presented seat belt buckle is dedicated to the rear left side of the interior in a Mercedes S-Class W221 generation. The component works with the rear seat belt, ensuring a secure buckle latching and proper force distribution in the event of sudden braking or a collision. Thanks to its factory design, compatibility with the original safety system and vehicle electronics is maintained, provided the specific unit is equipped with seat belt buckle sensors.

Color scheme and interior matching

The beige finish of the buckle allows for an aesthetic match with the light-colored upholstery used in luxury W221 configurations. The shade has been factory-matched, which helps maintain a consistent stylistic line for the rear seat, door panels, and other equipment elements. Uniform interior coloring is important for both visual and practical reasons – the element does not stand out from its surroundings, and installation does not require any modifications or additional covers.

Benefits of using an original component

Using the original seat belt buckle with tensioner in a Mercedes W221 ensures:

• maintenance of the factory mounting geometry in the rear part of the body on the left side,
• proper cooperation with the rear seat belt and any potential buckle sensors,
• color consistency with the beige interior,
• no need for mounting adaptations or interference with the seat structure.

For workshops and users, this means faster installation and a lower risk of fitment issues. Original construction also promotes compliance with the safety requirements set by the vehicle manufacturer.

Condition and practical application

The part comes from dismantling and is offered as used, which provides a cost-effective solution while maintaining factory specifications. This type of component is particularly useful for post-collision repairs, replacing a damaged buckle, or restoring full functionality to the rear seat when issues with latching the belt on the left side occur. A used original is often a reasonable compromise between price and maintaining the design intended by the manufacturer.

Part selection and additional information

When selecting a seat belt buckle with tensioner for a Mercedes W221, it is worth verifying compatibility based on the vehicle location (rear, left side) and the beige color to avoid mounting and visual discrepancies. If necessary, you can refer to the OEM part number or interchangeable numbers, which are detailed in the product's technical specification.

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

When choosing between refurbishment and installing a used original in the area of safety components, it is worth knowing the broader technical and economic context – the article Refurbished or used original – which part to choose for repairs? will be helpful, as it discusses the practical differences between these solutions.

If you want to organize the process of purchasing dismantled parts and minimize the risk of incorrect selection, check out the guide Safe purchase of used car parts online – a step-by-step guide, where you will find tips on verifying compatibility by part numbers, categories, and vehicle location.