Mercedes W204 C207 Side Air Module Curtain Rear Left N/S A2078600702

Mercedes W204 C207 Side Air Module Curtain Rear Left N/S is an original safety component designed for installation in the rear left section of the vehicle body. Engineered by Mercedes, the curtain works with the factory SRS system to provide proper side impact protection for passengers. This is an ideal solution for users looking to restore full functionality to the safety system following a collision or interior component replacement.

Specifications and technical data

• SKU: A2078600702
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2078600702
• Substitutable numbers: A2078600702, A 207 860 07 02
• Location on the vehicle: Rear, Left
• Category: Other Interior Parts & Accessories

Purpose and function in the vehicle

The described side curtain is dedicated for installation in the rear left section of the body, within the side passenger area. Its task is to mitigate the effects of a side impact by creating a barrier between the passenger and the vehicle's structural elements and side window. The component works in conjunction with collision sensors and the airbag control unit, activating only in situations specified by the manufacturer.

Compatibility and fitment

The curtain has been developed specifically for Mercedes C-Class W204 and Mercedes E-Class Coupe/Cabrio C207 models, ensuring a proper fit to the roof structure, pillars, and interior trim. Original mounting points and precise geometry facilitate installation in factory locations without the need for structural modifications. This ensures consistency with other safety system components and maintains the aesthetic finish of the interior.

Characteristics of the used component

The offered curtain is a used part, sourced from vehicle dismantling, which allows for an economical restoration of the safety system while maintaining the manufacturer's original specifications. This solution is particularly beneficial for post-accident repairs where both technical compliance and cost control are important. The component is intended for installation by a specialized service center, following established procedures for SRS systems.

Safety, installation, and best service practices

The side airbag curtain is part of the passive safety system; therefore, its installation should be performed by a workshop experienced in working with airbag systems. It is recommended to:

• use only factory mounting points and ensure proper wiring harness routing,
• follow procedures for disconnecting the power supply before working on the SRS system,
• verify fault codes in the airbag control unit after installation is complete,
• perform a visual inspection of the mounts and the positioning of the curtain along the roof edge and pillars.

This approach ensures the correct deployment sequence of the safety system and minimizes the risk of improper curtain deployment during a collision.

Repair expansion and selection of other components

If you are planning a comprehensive repair or upgrade of the side zone in your Mercedes and need other components from the same group, such as additional side airbag modules, mounting covers, or brackets, check out the available parts in the Other Mercedes category.

For a comparison of solutions used in sports constructions and a better understanding of the differences in powertrain and braking system designs, you can read our blog article: Audi RS vs other models – what is hidden under the hood and chassis?. This provides helpful technical background when planning more advanced modifications or repairs in premium class vehicles.

Summary

Mercedes W204 C207 Side Air Module Curtain Rear Left N/S is an original safety component that allows for the restoration of full SRS system functionality in the rear zone. Its dedicated design for specific models, factory fitment, and ability to be installed in original mounting points make it a technically consistent solution with the manufacturer's requirements and a cost-effective alternative to new parts.