Mercedes Sprinter W906 Connector AUX USB Adapter Port Socket A4478200087

Mercedes Sprinter W906 Connector AUX USB Adapter Port Socket is a practical component from the Electronic control modules and controllers category, designed for installation in the front part of the vehicle. It enables convenient connection of external audio sources and data storage devices to the factory multimedia system, improving the daily functionality of the driver's cabin. This solution allows for an organized way to route AUX and USB ports to the front panel, without the need for makeshift adapters.

Specifications and technical data

• SKU: A4478200087
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4478200087
• Substitutable numbers: A4478200087, A 447 820 00 87, KD
• Location on the vehicle: Front
• Category: ECUs & Computer Modules

Purpose and function of the AUX USB connector

The described AUX USB socket is a user interface component in the front interior area that integrates with the vehicle's factory electrical system. Its purpose is to:

• provide an AUX input for wired audio signal transmission,
• provide a USB port for communication with external devices,
• ensure aesthetic and stable mounting of connectors in the front panel,
• reduce cable clutter thanks to a fixed connection point.

Thanks to this, the driver and passengers gain easy access to multimedia, and the entire installation remains consistent with the vehicle's factory electrical architecture.

Integration with the installation and mounting ergonomics

The socket is designed to operate in the front zone of the cabin, which facilitates ergonomic routing of signal and power cables. Positioning at the front of the vehicle promotes:

• convenient connection of portable devices within the driver's reach,
• clear routing of electrical harnesses within the dashboard,
• maintaining order in the center console and around the radio or control unit.

Such a solution allows for maintaining the factory character of the interior while expanding its functionality with additional signal sources.

Benefits of using an original Mercedes module

The component comes from the Mercedes brand, which helps maintain compliance with factory manufacturing standards and electrical installation logic. In practice, this means:

• geometry of mounts matched to the intended installation locations,
• visual consistency with other elements of the front panel,
• connector architecture designed for a specific multimedia system.

As an element from the Electronic control modules and controllers group, the socket works with the existing vehicle electronics without the need for additional external converters.

Characteristics of the used component

The presented AUX USB adapter is a used part, which in practice allows for an economical restoration of the full functionality of the factory multimedia system. In many cases, this is a beneficial solution when:

• repairing a damaged or worn-out socket in the vehicle,
• completing missing installation elements after previous modifications,
• restoring the original interior equipment configuration.

The selection of a used element from this group should be preceded by verifying compatibility with the specific vehicle equipment version and audio system.

To better understand when choosing a used module from the vehicle electronics group is justified and how to assess its suitability, it is worth reading the guide: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

Installation expansion and selection of related components

If you are planning a comprehensive repair or upgrade of the front multimedia installation in your Mercedes and need other elements from the same group, such as additional connectors, communication modules, or control interfaces, check the available parts in the Mercedes electronic control modules and controllers category.

When making a decision about choosing a used OEM element instead of a replacement, the following practical guide material may also be helpful: 5 reasons why a used OEM part is a better choice than a replacement.