Air Module Mercedes W205 Front Seat Left N/S Side Bag SRS A2058601400

Air Module Mercedes W205 Front Seat Left N/S Side Bag SRS is an original safety component designed for installation in the front left seat of W205 series models. Designed by Mercedes, the airbag works with the factory SRS system, providing proper side protection for the driver in the event of a collision. This solution allows for the restoration of full safety system functionality after a seat replacement or post-accident repair.

Specifications and technical data

• SKU: A2058601400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2058601400
• Substitutable numbers: A2058601400, A 205 860 14 00
• Location on the vehicle: Front, Left
• Category: Other Interior Parts & Accessories

Purpose and function in the vehicle

The presented airbag is intended for installation in the front left seat of the W205 body, where it is responsible for side torso protection for the driver. The component is integrated into the seat structure and works with collision sensors and the airbag control unit, activating only under strictly defined collision conditions.

Thanks to the factory geometry and the correct shape of the gas chamber, the airbag ensures predictable inflation and fit to the seat profile, which is crucial for maintaining the protective characteristics designed by the manufacturer.

Benefits of using an original seat airbag

Using an original seat airbag in a Mercedes W205 allows for maintaining the consistency of the entire passive safety system. The most important advantages include:

• factory fit to the seat structure and upholstery,
• proper cooperation with the SRS control module,
• preservation of the manufacturer-intended performance characteristics,
• no need for modifications to mounts or electrical installation.

Choosing this solution is particularly important for post-accident repairs, where the priority is to restore full functionality of the safety system, rather than just clearing the warning light on the dashboard.

Component condition and service application

The airbag comes from disassembly, making it an attractive cost-effective alternative to a new component while maintaining the original design. Such components are often chosen in professional workshops specializing in post-accident repairs, where both compliance with factory solutions and repair budget optimization are important.

Before installation, it is recommended to verify the SRS installation and perform computer diagnostics after completing the work to confirm proper communication between the airbag and the control system and the absence of active errors.

Installation and technical aspects

The seat airbag is mounted inside the backrest, in a dedicated structural space. Thanks to the preservation of the factory shape and mounting points, installation is possible in a plug-and-play manner, without interfering with the seat structure. It is crucial to:

• correctly route the electrical harness,
• use the appropriate tightening torques for the mounts,
• disconnect the vehicle's power supply while working on the SRS system.

This approach minimizes the risk of damaging connectors and incorrect system operation in the future.

Expanding the safety system in a Mercedes

If you are planning a comprehensive repair or upgrade of the interior safety zone in your Mercedes and need other elements from the same group, such as side seat airbags, curtain airbags, or seat belt tensioners, check the available parts in the Other Mercedes category.

For drivers interested in comparing technical solutions used in sports models of other brands, including advanced drive systems and mechanical components, an article describing the structural differences in sports versions of Audi may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.

If you want to better understand how safety systems and advanced all-wheel drive systems work together in premium class vehicles, it is also worth reading a comparison of popular AWD systems, including solutions used by Mercedes: xDrive, 4Matic, quattro or 4Motion – a comparison of AWD drives.