Mercedes W204 W212 Seat Side Air Module Front Right O/S SRS A2048600205

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W204 W212 Seat Side Air Module Front Right O/S SRS is an original safety component designed for installation in the front right seat of selected Mercedes W204 and W212 class models. It is a factory seat airbag, engineered to integrate with the vehicle's SRS system, ensuring consistent performance with other safety system components. Thanks to its precise fitment to the seat structure, it serves as a functional service solution for post-accident repairs or the replacement of a damaged airbag.

Specifications and technical data

• SKU: A2048600205-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048600205
• Substitutable numbers: A2048600205, A 204 860 02 05
• Location on the vehicle: Front, Right
• Category: Additional Seat Parts

Purpose and function in the vehicle

The presented airbag is a component mounted in the front right seat, responsible for providing additional protection to the passenger's side and torso area, depending on the vehicle configuration. The airbag design is integrated into the seat cushion or backrest (according to the original Mercedes design), allowing it to work in conjunction with seat belt tensioners and other cabin airbags upon activation. The vehicle placement, defined as front – right side, allows for clear identification of the mounting position and reduces the risk of errors when selecting parts.

Compatibility and fitment

The airbag has been designed specifically for seats used in Mercedes W204 and W212 series, which translates into:

• maintaining factory mounting geometry within the seat structure,
• proper connection to the SRS system wiring harness,
• consistency with airbag control unit algorithms.

As a result, this element can be used as a direct replacement for a damaged seat airbag, without the need for installation modifications or interference with the seat structure, provided that the selection is made in accordance with service documentation and manufacturer markings.

Characteristics of the used component

The offered airbag falls under the Other seat parts category and is a used item, which in practice means a real opportunity to reduce repair costs while maintaining the original manufacturer specifications. In the case of airbags, it is crucial that the installation is carried out in a vehicle that is structurally undamaged in the seat area and in compliance with safety procedures – removal and installation should be entrusted to a workshop with experience in working with SRS systems.

A used, original component allows for:

• maintaining the consistency of the safety system with factory parameters,
• cost reduction compared to a new OEM part,
• maintaining compatibility with the seat structure and upholstery.

Safety, installation, and best service practices

The seat airbag is a pyrotechnic element, therefore all installation work should be carried out with the vehicle's power disconnected and in accordance with the manufacturer's procedures. It is recommended to:

• verify the compatibility of markings with vehicle documentation before installation,
• check the condition of the seat connectors and wiring harness,
• perform SRS system diagnostics using a tester supporting the Mercedes brand after installation.

This approach minimizes the risk of errors in the airbag system and ensures that the passive safety system will function according to the vehicle manufacturer's specifications.

Expanding the scope of repair and related components

During post-accident repairs in the passenger seat area, it is worth considering checking the condition of seat belt tensioners, seat occupancy sensors, and wiring harnesses to restore full functionality to the entire system in one service operation. If you are planning a comprehensive repair or upgrade of the seating area in your Mercedes and need other items from the same group, such as seat rails, adjustment elements, or additional seat-related modules, check the available parts in the Other Mercedes seat parts category.

How to save on repairs with used OEM components

Choosing a used seat airbag is a solution that allows for significant repair budget savings while maintaining the original manufacturer's specifications. It is worth knowing the basic rules for the safe purchase of used safety components – from verifying the origin, through selection in accordance with documentation, to correct installation. If you want to better plan service costs and consciously use the second-hand parts market, read the article Rising repair costs and the boom in used parts – how to save on car service?, where you will find practical tips on the cost-effective use of used OEM parts.