Mercedes GLA X156 Side Window Curtain Right O/S Air Module Unit Bag A1568600402

Mercedes GLA X156 Side Window Curtain Right O/S Air Module Unit Bag is an original passive safety system component designed for installation on the right side of the body in the GLA X156 model. The side curtain works with the vehicle's factory electronics, providing additional protection for the head and upper torso of passengers during side impacts. This solution allows for maintaining the structural integrity of the body and Mercedes factory safety standards.

Specifications and technical data

• SKU: A1568600402-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1568600402
• Substitutable numbers: A1568600402, A 156 860 04 02
• Location on the vehicle: Right
• Category: Other Interior Parts & Accessories

Purpose and function of the side curtain

The right-side curtain is an integral part of the airbag system in the Mercedes GLA X156. Its task is to deploy rapidly along the side glazing area and pillars to reduce the risk of passenger head contact with structural body elements and the intrusion of external objects into the cabin.

Thanks to its precise fit for the specific GLA X156 generation, this component works with factory acceleration sensors and the airbag system controller, which helps maintain the deployment characteristics intended by the manufacturer.

Compatibility and body fitment

The presented side curtain has been designed specifically for the GLA X156 body, taking into account the geometry of the roof, pillars, and window lines. Its placement on the right side of the vehicle allows for:

• proper routing of mounts along the roof edge and pillars,
• maintaining the appropriate deployment zone relative to seats and headrests,
• consistency with the factory headliner upholstery and pillar covers.

Such a fit reduces the need for modifying trim elements and facilitates installation in accordance with service procedures.

Characteristics of the used component

The side curtain comes from disassembly, which means it is a used component that retains the design and parameters specified by the manufacturer. Choosing an original component from the secondary market allows for maintaining the integrity of the safety system while optimizing repair costs.

Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and to check the electrical installation and the airbag system controller to ensure proper operation of all components.

Installation and operational tips

Installation of the side curtain in the Mercedes GLA X156 should be carried out by a workshop experienced in working with airbag systems. In practice, this includes, among others:

• proper securing of the electrical installation before starting work,
• removal of the headliner and pillar covers following the manufacturer's sequence,
• inspection of mounting points and harness routing,
• final diagnostics of the airbag system using an appropriate tester.

This approach promotes the operational safety of the airbag system and minimizes the risk of controller errors.

Expanding the safety system in the Mercedes GLA

If you are planning a comprehensive repair or upgrade of the side body area in your Mercedes and need other elements from the same group, such as additional side airbags, crash sensors, or headliner mounting elements, check the available parts in the Other Mercedes category.

For a comparison of the characteristics of advanced drivetrain and braking systems in sports cars and a better understanding of the structural differences between standard and sports versions, it is worth reading the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how premium manufacturers design key vehicle systems.