Mercedes Vito W639 Steering Wheel Air Module Driver's Side DAMAGED A6398601902

Mercedes Vito W639 Steering Wheel Air Module Driver's Side DAMAGED is an original safety component designed for installation in the central part of the steering wheel, in the front zone of the vehicle. The product is offered in a condition for repair or for parts, making it a solution for workshops specializing in the regeneration of airbag systems and for dismantling companies looking for compatible housings, connectors, or mounting elements.

Specifications and technical data

• SKU: A6398601902-1
• Mark: Mercedes (Genuine OE)
• Condition: For parts or not working
• OEM Part Number: A6398601902
• Substitutable numbers: A6398601902, A 639 860 19 02
• Location on the vehicle: Front
• Category: Other Interior Parts & Accessories

Purpose and function in the vehicle

The driver's airbag in the Mercedes Vito W639 model is a key component of the passive safety system, integrated with the steering wheel module in the front part of the cabin. This element works with collision sensors and the SRS controller, responsible for mitigating the effects of frontal collisions through the controlled inflation of the airbag in a fraction of a second.

The deployed version can be used as a donor for structural elements, such as:

• the body and housing of the airbag,
• mounting points to the steering wheel frame,
• fragments of the wiring harness and connectors for comparison or adaptation purposes.

Thanks to the preservation of the original mounting geometry, this part is particularly useful when fitting other components within the steering wheel and the front cockpit area.

Workshop and service application

Due to the condition specified as for parts or not working, the airbag is intended primarily for professional services that:

• regenerate SRS systems and need reference elements to fit new inserts,
• use original housings for the visual restoration of the steering wheel,
• perform vehicle dismantling of Mercedes cars and complete assembly kits.

The location in the front part of the vehicle means that the component works with other safety elements, such as seat belts or tensioners, therefore any work on such parts should be performed by persons with appropriate qualifications.

Benefits of using an original Mercedes component

Choosing an original driver's airbag from Mercedes ensures:

• factory fitment to the steering wheel and steering column in the Vito W639,
• compatibility with the design of the front cockpit zone,
• the possibility of using mounting elements and the housing as a template during repairs.

For workshops specializing in vehicles of this brand, this is a practical source of reference parts, facilitating the correct assembly of the steering system after post-accident repairs.

Safety and installation recommendations

Work on airbag systems requires adherence to special safety procedures, including disconnecting the vehicle's power supply, using appropriate tools, and following the manufacturer's guidelines. Due to the nature of the product in a condition for repair or for parts, it is recommended to:

• use it only by specialized workshops or dismantling companies,
• thoroughly verify the suitability of individual elements before installation,
• use new, homologated pyrotechnic inserts in the case of rebuilding a functional SRS system.

For end users, this means that installation and potential regeneration should be commissioned to professional services that know the specifics of safety systems in Mercedes vehicles.

Selection of other elements for Mercedes

If you are planning a comprehensive repair or modernization of the front zone in your Mercedes and need other elements from the same group, such as housings, mounts, or additional assembly components, check the available parts in the Other Mercedes category.

When working with used components for German cars, it is worth knowing which elements can be safely regenerated and which are better to replace with new ones – you will find practical tips in the article Renovation and repair of German cars: which used parts are worth buying and which are better to avoid?.

For a comparison of the characteristics of sports drivetrains and braking systems with solutions used in standard models, the blog material Audi RS vs other models – what is hidden under the hood and chassis? may also be helpful, which shows how manufacturers differentiate the construction of key subassemblies.