Mercedes W167 W256 USB Charger Connecting Unit A1678201302

Mercedes W167 W256 USB Charger Connecting Unit is an original component from the Electronic control modules and controllers group, designed for integration with the factory multimedia installation of Mercedes vehicles. The connector provides a modern USB-C interface in the front part of the cabin, on the left or right side, allowing for convenient connection of mobile devices and electronic accessories.

Specifications and technical data

• SKU: A1678201302
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1678201302
• Substitutable numbers: A1678201302, A 167 820 13 02
• Location on the vehicle: Front, Left, Right
• Category: ECUs & Computer Modules

Purpose and function of the USB-C connector

The presented USB-C socket is designed as a component installed in the front part of the interior, with the possibility of mounting on the driver's or passenger's side. This gives the user easy access to the data and power port, which facilitates daily use of the multimedia system, charging smartphones, and operating compatible external devices.

As part of the vehicle's electronic system, the socket works with factory control modules, maintaining consistency with the Mercedes electrical architecture. Proper structural fit allows for stable seating in the panel and a secure connection to the wiring harness, which reduces the risk of looseness and data transmission interference.

Benefits of using an original USB-C socket

Using an original USB-C port in W167 and W256 models ensures:

• consistency with the factory infotainment system and other electronic modules,
• aesthetic integration with the dashboard and center console,
• stable data connection between the vehicle and mobile devices,
• possibility of mounting in the front cabin zone on the left or right side, according to the interior configuration.

Thanks to this solution, the driver and passengers can use the modern USB-C standard without the need for additional mounting adapters, which translates into an organized space in the cabin and ease of operation.

Integration with the vehicle's electronic system

The USB-C socket belongs to the Electronic control modules and controllers group, therefore its proper operation is important for the comfort of using onboard systems. This element works with the front vehicle installation, and its placement on the left or right side allows the configuration to be adjusted to a specific equipment version.

When replacing, it is recommended to follow the service procedures appropriate for vehicle electronics, including safe disconnection of power and checking the condition of the harness connectors. A correctly installed port minimizes the risk of data transmission interruptions and problems with recognizing connected devices.

Use of a used part in modern installations

Choosing a used USB-C socket for a Mercedes allows for economical repair or equipment supplementation while maintaining the manufacturer's original specifications. This type of element is particularly useful in case of:

• mechanical damage to the factory port (torn plug, cracked housing),
• problems with charging or device communication via the existing connector,
• upgrading the front console area to a version with USB-C.

Using an original component from the same model family reduces the risk of incompatibility and the need for installation modifications, which is particularly important in the case of elements from the control electronics group.

Related categories and technical materials

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

To deepen your knowledge about the operation of modern electronic systems in premium vehicles and the impact of control modules on driving comfort, it is worth reading an article describing the operation and repair of multimedia systems in another segment of high-end cars: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?

If you are interested in a broader context of operating Mercedes engines and the impact of efficient components on engine performance, material dedicated to a popular diesel unit may also be helpful: The second life of the Mercedes OM642 engine – how injectors and a turbocharger restore the power of the 3.0 V6 CDI.