Mercedes W639 Vito Viano Steering Wheel Airbag Driver Air Bag A6398600400

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W639 Vito Viano Steering Wheel Airbag Driver Air Bag is an original safety system component designed for installation in the central part of the steering wheel on the driver's side. The airbag works with the vehicle's factory electronics, ensuring the proper response of the SRS system in the event of a collision. Thanks to its OEM design, it provides a secure fit for the dashboard and steering wheel in W639 series Vito and Viano models.

Specifications and technical data

• SKU: A6398600400-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6398600400
• Substitutable numbers: A6398600400, A 639 860 04 00
• Location on the vehicle: Front
• Color: Black
• Category: Dashboard Panels

Purpose and function in the vehicle

The presented driver's airbag is a component mounted in the front part of the cabin, within the steering wheel area, in the zone referred to as Front. It is responsible for mitigating the effects of a frontal collision by rapidly inflating and absorbing part of the energy acting on the driver. The design is adapted to the interior geometry of the Mercedes Vito and Viano W639, which allows for maintaining the proper distance from the driver's chest and head.

Construction, color scheme, and integration with the dashboard

The airbag has been designed as an integral element of the steering wheel zone, working with other components from the Dashboards group. The external panel in Black allows for a consistent visual connection with the factory steering wheel and the upper part of the cockpit, without the need for additional stylistic modifications. The uniform, dark color scheme makes it easy to match most interior configurations used in the Mercedes Vito and Viano W639.

Performance parameters and installation

The driver's airbag is adapted to work with the standard airbag control unit in Mercedes vehicles of this generation. Installation takes place in the central part of the steering wheel, using factory mounting points and the electrical connectors provided by the manufacturer. This makes it possible to maintain proper communication with the SRS system and the monitoring of the airbag status by the vehicle's diagnostic system.

The item is offered as used, which allows for an economical repair of the safety system while maintaining the original design specifications. Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and to perform diagnostics of the airbag system after installation.

Practical application and benefits of choosing OEM

Using an original driver's airbag in the Mercedes Vito Viano W639 allows for maintaining the factory performance parameters of the passive safety system. Choosing a component from the same design group as other cockpit components facilitates maintaining proper fitment with the steering wheel and dashboard, and minimizes the risk of electrical compatibility issues. This solution is particularly beneficial for post-accident repairs, where the priority is to restore the vehicle to the state consistent with the manufacturer's specifications.

Expanding repairs within the cockpit

If you are planning a comprehensive repair or modernization of the cockpit area in your Mercedes and need other elements from the same group, such as panels, air vents, or covers, check out the available parts in the Mercedes Dashboards category.

For more extensive post-accident work on the interior and body, it is also worth checking out practical tips on selecting dismantled parts – you will find them in the article Bodywork and exterior – post-accident repairs using dismantled parts, which discusses, among other things, repair procedures and best practices when working with used OEM parts.