Mercedes W205 Head Air Module Roof Side Curtain Left N/S A2058600402

Mercedes W205 Head Air Module Roof Side Curtain Left N/S is an original safety component designed for installation on the left side of the body in W205 series models. This used side curtain airbag from the Headliner and parts category allows for professional SRS system repair while maintaining factory mounting geometry and proper side protection.

Specifications and technical data

• SKU: A2058600402
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2058600402
• Substitutable numbers: A2058600402, A 205 860 04 02
• Location on the vehicle: Left
• Category: Headliners & Parts

Purpose and function of the side curtain airbag

The presented side curtain is a component of the airbag system responsible for protecting the head and upper torso of passengers on the left side. It is mounted in the headliner area, along the roof edge, which allows it to create a barrier between the cabin interior and the vehicle's crumple zone upon activation.

Thanks to its precise fit to the roof structure and body pillars, the curtain works in conjunction with other passive safety system components, ensuring consistent performance during side impacts and vehicle rollovers.

Construction and fitment for the W205 body

The curtain has been designed specifically for the W205 series, which means it maintains the correct length, shape, and mounting points within the headliner. Proper routing along the left roof edge enables:

• stable attachment in factory mounts,
• correct positioning relative to the A, B, and C pillars,
• proper distribution of forces during airbag inflation.

Such fitment reduces the risk of installation stress and facilitates service work when replacing components within the headliner area.

Product characteristics and service application

As a component from the Headliner and parts group, the curtain is intended for professional post-accident repairs and maintenance replacements in Mercedes vehicles. The used nature of the part allows for an economical restoration of the safety system while maintaining the original design and compatibility with the vehicle's installation.

The placement on the left side of the vehicle is crucial when selecting the component – proper side fitment ensures correct interaction with crash sensors, the SRS controller, and other airbags in the vehicle.

Benefits of using an original curtain

Using an original curtain airbag in a Mercedes W205 allows for maintaining the structural integrity of the entire safety system. The main advantages include:

• factory fitment to the roof and headliner geometry,
• compatibility with the existing wiring harness and airbag controller,
• the ability to restore the original SRS system configuration after a road incident.

Thanks to this, the vehicle can regain the level of passenger protection on the left side intended by the manufacturer.

Condition, verification, and purchase of a used curtain

The item is offered as a used part, which allows for a significant reduction in repair costs compared to purchasing a new component. Before installation, it is recommended to perform professional SRS system diagnostics and verify the correct part selection for the specific vehicle equipment version.

If you want to consciously use the second-hand parts market and better understand how to choose verified components for your car, it is worth checking out the guide: Used parts – Your guide to the best offers in the automotive store. The article explains what to look for when purchasing to combine savings with operational safety.

If you are planning a comprehensive repair or upgrade of the headliner area in your Mercedes and need other elements from the same group, such as reinforcements, covers, or mounts, check the available parts in the Headliner and parts Mercedes category.