Mercedes Vito Viano W639 Steering Wheel Airbag Air Module Bag Black A6398601802

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes Vito Viano W639 Steering Wheel Airbag Air Module Bag is an original safety component designed for installation in the steering wheel of vehicles from this series. This used black airbag allows for a technically correct replacement of a damaged airbag module while maintaining a factory-fit appearance in the interior. It is an ideal solution for users who expect a consistent cockpit look and compatibility with the factory safety system.

Specifications and technical data

• SKU: A6398601802
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6398601802
• Substitutable numbers: A6398601802, A 639 860 18 02, KD
• Color: Black
• Category: Other Interior Parts & Accessories

Purpose and function of the driver's airbag

The driver's airbag in the Mercedes Vito W639 is a key component of the passive safety system, responsible for mitigating the effects of a frontal collision. Mounted centrally in the steering wheel, it works in conjunction with crash sensors and the SRS control unit, activating in a fraction of a second upon detecting a collision of sufficient force. Using an original module ensures the correct inflation characteristics and compatibility with the factory electrical installation.

Construction, color, and interior fitment

The presented driver's airbag features a black finish, allowing it to harmonize with most interior configurations of the Mercedes Vito W639. The color is selected for consistency with the factory steering wheel, dashboard, and other cockpit elements, facilitating an aesthetic replacement without the need for additional modifications.

The original housing design ensures proper fitment with the steering wheel rim, maintenance of styling lines, and correct positioning relative to the driver. As a result, the component does not protrude after installation, requires no adjustments, and helps maintain the factory appearance of the driver's workspace.

Benefits of using an original used airbag

Choosing a used driver's airbag for the Mercedes Vito W639 is a solution that combines economic benefits with the preservation of factory specifications. The original component:

• maintains compatibility with the vehicle's SRS system,
• ensures a perfect fit for the factory steering wheel and electrical harness,
• helps maintain a consistent interior look thanks to the appropriate color scheme,
• facilitates installation due to the design intended by the vehicle manufacturer.

For workshops and individual users, this means shorter service times and a lower risk of compatibility issues compared to aftermarket replacements of uncertain origin.

Professional installation and technical aspects

Due to the nature of this safety component, the installation of the driver's airbag should be carried out by a qualified service center, following the vehicle manufacturer's procedures. This includes, among other things, proper power disconnection, connector verification, harness inspection, and final SRS system diagnostics. This approach minimizes the risk of errors while allowing you to fully utilize the advantages of the original airbag module.

If you are planning a comprehensive repair or upgrade of the cockpit area in your Mercedes and need other parts from the same group, such as control modules, switches, or trim elements, check out the available parts in the Other Mercedes category.

Safety, part selection, and technical knowledge

When working with safety systems and advanced vehicle electronics, the correct selection of components and verification of their compatibility with the specific car configuration is particularly important. In the case of more extensive repairs, including controllers or sensors, it is worth expanding your knowledge on the selection and integration of used electronic components – practical tips and examples can be found in our guide on used automotive electronics and ECU modules.

For those interested in comparing technical solutions used in different vehicle segments, including sports constructions, an article analyzing the differences in drivetrain and braking systems may also be helpful – more information can be found in the post Audi RS vs other models – what is hidden under the hood and chassis?.