Mercedes W211 CLS W219 Seat Belt Buckle Tensioner Front Right O/S A2118602469

Mercedes W211 CLS W219 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. It ensures proper cooperation with the factory Mercedes safety system, maintaining the correct functionality of the seat belt during daily use and in emergency situations.

Specifications and technical data

• SKU: A2118602469
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118602469
• Substitutable numbers: A2118602469, A 211 860 24 69
• Location on the vehicle: Front, Right
• Category: Seat Belts & Parts

Pretensioner Purpose and Function

The seat belt pretensioner is responsible for controlled tightening of the belt against the driver's or passenger's body during sudden braking or collision. In Mercedes W211 and CLS W219 models, this component is an integral part of the passive safety system, working in conjunction with the belt, seat mounts, and airbag control unit.

The presented pretensioner is designed for installation on the front right side of the vehicle, which is important for seat geometry, electrical wiring, and body mounting points.

Construction and Fit for Mercedes W211 / CLS W219

The original pretensioner design is specifically engineered for the Mercedes E-Class W211 and CLS W219 platform. This means:

• compatibility with factory mounting points in the center tunnel and seat,
• correct length and geometry of the component relative to the seat belt,
• dedicated electrical connector for integration with the vehicle's wiring,
• maintenance of factory operating parameters for the SRS system (airbags, pretensioners, sensors).

This allows for installation without structural modifications, and the safety system retains its manufacturer-intended characteristics.

Benefits of Using an Original Pretensioner

Using a pretensioner dedicated to a specific Mercedes generation offers several practical benefits:

• Safety compliant with factory design – maintaining the intended force and activation time of the pretensioner in an emergency.
• Proper cooperation with vehicle electronics – correct communication with the SRS module, no need for adaptation or wiring modifications.
• Stable seat belt mounting – maintaining the correct position of the buckle relative to the seat and occupant.
• Consistency with other interior elements – preserving the original Mercedes installation concept and ergonomics.

Condition, Verification, and Practical Application

The pretensioner comes from the offer of used Mercedes parts, allowing for an economical repair of the safety system while maintaining original specifications. This type of part is particularly useful after the SRS system has deployed, when replacing a damaged belt, or during comprehensive interior repair after a collision.

Before installation, it is recommended to:

• verify compatibility by OEM number and by vehicle model and year,
• inspect the electrical system and connectors for mechanical damage,
• install according to the service procedure, observing safety precautions when working with the SRS system.

Selecting Mercedes Seat Belts and Parts and OEM Knowledge

If you are looking for other items from the Mercedes seat belts and parts category, visit the dedicated subpage where you will find a wide selection of components tailored to various models: Mercedes Seat Belts and Parts.

When selecting safety components, it is advisable to use identification methods by OEM number or VIN number to avoid installation errors. The principles of such identification and practical tips for used OEM parts are described in detail in the blog article: Audi's Five-Cylinder Engine – A Legend from Quattro to RS3 and How to Care for It with Original Audi Parts. Although it concerns Audi powertrains, the methods of selection by numbers and VIN described there are also helpful when working with Mercedes parts.