Description
Mercedes W212 CLS W218 Rear Right Seat Belt Pretensioner is an original part from the seat belts and parts category, designed for installation on the rear right side of Mercedes vehicles. The product ensures proper functioning of the rear seat belt, which translates to stable passenger restraint and improved safety in everyday use.
Specifications and technical data
- SKU: A2128602069
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2128602069
- Substitutable numbers: A2128602069, A 212 860 20 69, KD
- Location on the vehicle: Rear, Right
- Category: Seat Belts & Parts
Purpose and Function of the Pretensioner
The seat belt pretensioner is responsible for controlled belt tension during driving and in emergency situations. In the rear right part of the body, it works with the retractor mechanism, keeping the belt in the correct position relative to the seat and body.
A properly selected rear seat belt pretensioner in a Mercedes W212 / CLS W218 allows for:
- maintaining a stable passenger position during sudden braking,
- limiting uncontrolled body movements in case of a collision,
- proper cooperation with passive safety systems of the vehicle.
Compatibility with Mercedes W212 and CLS W218
The offered pretensioner has been designed for the Mercedes E-Class W212 platform and the CLS W218 model, taking into account the specific geometry of the rear seat and mounting points. This ensures:
- factory fit to the body structure on the rear right side,
- correct seat belt routing relative to the backrest and seat cushion,
- consistency with original mountings and upholstery elements.
The placement on the vehicle is clearly defined as the rear right side, which facilitates part selection when replacing a damaged or faulty pretensioner.
Characteristics of an Original Mercedes Part
The pretensioner comes from the line of original Mercedes components, meaning it adheres to the manufacturer’s standards in terms of construction and performance parameters. In practice, this translates to:
- compliance with the factory safety specification for the given model,
- repeatable operation of the tensioning mechanism throughout its working range,
- compatibility with the existing installation and mounting system in the vehicle.
The item is offered as a used OEM component, which is an attractive solution for users looking for original parts within a reasonable budget, while maintaining the design intended by the vehicle manufacturer.
Benefits of Using the Rear Right Pretensioner
Using the correct rear right pretensioner in a Mercedes W212 or CLS W218 allows for maintaining the full functionality of the seat belt system on the rear seat. Key benefits include:
- maintaining the designed level of passenger protection in the rear right position,
- proper operation of the belt retraction and locking mechanism in critical situations,
- no need for structural modifications thanks to the factory fit.
This solution is particularly recommended for post-accident repairs, replacement of worn seat belt system components, or restoring the full functionality of the vehicle’s safety system.
Selection and Additional Information
Before purchasing, it is advisable to verify the pretensioner’s compatibility with the specific body version and vehicle equipment. Manufacturer markings, OEM part numbers, and interchangeable numbers can be helpful for precise part matching to a specific car instance.
If you are looking for other Mercedes seat belts and parts for your vehicle, check out our dedicated offer: Mercedes seat belts and parts.
For drivers interested in a broader perspective on the impact of chassis components on driving safety, a guide on our blog may be useful: Suspension System – A Comprehensive Guide to Shock Absorbers, Control Arms, and Stabilizers.
If you are considering whether to choose a new or used OEM part, a comparison prepared in an article may be helpful: New or Used? A Comparison of Car Part Costs and Quality, which discusses practical aspects of component selection based on budget and expected durability.
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