Seat Belt Buckle Mercedes W211 CLS C219 Front Right O/S Tensioner A2118602069

Mercedes W211 C219 Front Right Seat Belt Pretensioner is an original part from the seat belts and parts category, designed for installation on the front right side of the vehicle. This is a factory Mercedes component that allows for the restoration of proper passive safety system function after a collision or pretensioner failure.

Specifications and technical data

• SKU: A2118602069
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118602069
• Substitutable numbers: A2118602069, A 211 860 20 69
• Location on the vehicle: Front, Right
• Category: Seat Belts & Parts

Seat Belt Pretensioner Purpose and Function

The seat belt pretensioner is responsible for rapidly tightening the belt to the driver's or passenger's body in the event of a collision, which limits body movement and reduces the risk of injury. The presented part is designed for installation on the front right side in Mercedes E-Class W211 and CLS C219 models, ensuring compatibility with the factory seat and mounting structure.

Using an original pretensioner in the safety system is crucial for:

• maintaining predictable SRS system behavior in a collision situation,
• proper cooperation with airbags and the airbag control unit,
• preserving the factory protection parameters intended by the vehicle manufacturer.

Construction and Fitment for Mercedes W211 / C219

The pretensioner is structurally adapted to the seats used in Mercedes W211 and C219, allowing for installation in the original mounting points without altering the body structure or belt path. The mounting geometry, belt travel length, and operating angle have been designed for this specific platform, ensuring the part works with the standard seat belt and buckle.

Original manufacturing ensures:

• compatibility with the vehicle's electrical system (connectors, wiring harness, signals to the SRS control unit),
• appropriate performance characteristics of the pyrotechnic charge relative to the vehicle's weight and interior configuration,
• stable mounting to the seat structure, which limits unwanted play and vibrations.

Part Condition and Service Application

The front right seat belt pretensioner is offered as a used part, allowing for an economical repair of the safety system while maintaining the original manufacturer's specifications. This type of component is particularly useful for:

• post-accident repairs after the SRS system has deployed,
• clearing airbag control unit errors related to the seat belt pretensioner,
• restoring complete safety equipment after replacing seats or interior components.

Due to the nature of the component, installation by a specialized service center is recommended, using appropriate safety procedures when working with pyrotechnic systems.

Benefits of Using an Original Mercedes Pretensioner

Using a factory pretensioner in a Mercedes W211 or C219 offers several practical benefits:

• full compatibility with the SRS system – no need for wiring modifications or mounting adaptations,
• preservation of factory safety parameters intended for the specific body and seat configuration,
• easier diagnostics – the control unit recognizes the part as compliant with original specifications, simplifying work with service testers.

For users who comprehensively service the passenger protection system, choosing an original pretensioner is a solution consistent with the policy of maintaining the vehicle to manufacturer standards.

Other Seat Belts and Parts for Mercedes

If you are also looking for other seat belts and parts for Mercedes, check out our dedicated category: Mercedes Seat Belts and Parts. There you will find a wide selection of OEM parts for various models of this brand, making it easier to assemble the entire safety system from a single source.

Technical Knowledge and OEM Part Selection

When working with original safety components, it is beneficial to understand the structural differences between model generations and their equipment. An article comparing solutions used in different automotive eras may be helpful, available here: Classic Mini vs. Modern MINI – How Construction Has Changed and Which Original MINI Parts Help Preserve Their Character. This allows for a better understanding of the importance of using OEM parts in the context of vehicle safety and durability.