Mercedes W177 W247 USB Port Socket Plug Control Panel Connection A2478203902

The Mercedes W177 W247 USB Socket Connector Port is an original part from the switches, control elements, and ignition switches group, designed for factory installation in selected Mercedes A-Class (W177) and B-Class (W247) models. This practical USB connector allows for convenient connection of mobile devices, integration with the multimedia system, and safe powering of cabin accessories.

Specifications and technical data

• SKU: A2478203902
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2478203902
• Substitutable numbers: A2478203902, A 247 820 39 02
• Category: Switches & Controls

Purpose and Function of the Mercedes W177 W247 USB Socket

The presented USB socket is a component installed in the factory console or control panel, responsible for a stable wired connection between the vehicle and the connected device. As part of the control system and interior equipment, the connector provides:

• the ability to wiredly connect a smartphone, USB drive, or other data storage,
• integration with the vehicle's multimedia system (e.g., music playback, data management),
• powering and charging of compatible mobile devices,
• an aesthetic, factory finish for the cabin control panel.

By using an original connector from the W177/W247 series, full compatibility with the electrical system and interior ergonomics of the Mercedes is maintained.

Construction and Integration with the Control System

The USB socket belongs to the Switches, control elements, and ignition switches category, meaning it works with the vehicle's factory control modules. The connector's design is prepared for installation in a dedicated location, with appropriate clips and wiring harness routing, which facilitates servicing and potential replacement.

The element has been designed to:

• ensure a stable electrical connection under vehicle operating conditions,
• reduce the risk of looseness and signal interruption with frequent cable connections,
• maintain a cohesive interior appearance consistent with Mercedes brand standards.

Benefits of Using an Original USB Socket

Using an original USB socket in a Mercedes W177 or W247 offers a range of practical benefits. The most important ones include:

• Full compatibility with the installation – matching the factory wiring harness and control modules reduces the risk of communication errors and power supply issues.
• Stable operation with the multimedia system – correct device recognition, predictable audio and data function performance.
• Cohesive interior aesthetics – the element visually and structurally matches Mercedes' finishing standards, without the need for panel modifications.
• Safe device charging – the connector is designed for operation in a automotive environment, with proper wiring management.

Condition, Origin, and Service Application

The offered USB socket comes from a dismantled Mercedes vehicle and is a used part, making it an attractive solution for repairs and interior equipment upgrades. This type of part is suitable both as a replacement for a damaged connector and for retrofitting the car with an additional USB port, provided the vehicle's configuration allows it.

When planning more extensive repairs or upgrades, it's worth considering when it's better to opt for used parts and when for refurbished ones. This topic is discussed in more detail in the article: Refurbished or Used Original – Which Part to Choose for Repair?, which helps in selecting the optimal service solution.

Selection and Other Mercedes Switches, Control Elements, and Ignition Switches

When selecting a USB socket for a Mercedes W177 or W247, it is crucial to compare the interior configuration and the type of panel in which the connector is to be installed. If necessary, you can use the manufacturer's catalog or service support to ensure that the chosen element will work correctly with the existing installation.

If you are also looking for other Mercedes switches, control elements, and ignition switches, check out our dedicated offer: Mercedes switches, control elements, and ignition switches, where you will find a wide selection of components for control systems and interior equipment of this brand.

Vehicle System Safety and Used Parts

Although a USB socket is not a brake system component, during comprehensive vehicle repairs, components responsible for safety are often replaced concurrently. In such cases, it is worth familiarizing yourself with the guide on selecting used brake components: Second-hand braking system – how to safely choose discs, calipers, and ABS?. This will allow for better planning of the entire scope of service work and a conscious approach to selecting parts from dismantling.