Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803

Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal is an original electrical system component from the Fuses and fuse boxes group, designed for Mercedes compact models. It enables a stable connection of the positive battery cable and protects the circuit with a properly selected fuse, which translates into safe and predictable operation of the power supply system.

Specifications and technical data

• SKU: A2479061803
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2479061803
• Substitutable numbers: A2479061803, A 247 906 18 03
• Category: Fuses & Fuse Boxes

Purpose and function in the electrical system

The presented Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal has been designed for Mercedes compact class vehicles, such as the W177 and W247. Its task is to provide a secure, vibration-resistant connection of the positive cable to the battery terminal and to integrate overcurrent protection at a critical point in the installation.

Thanks to the use of a dedicated fuse, this component helps protect the vehicle's main electrical circuits from the effects of short circuits and overloads, which is important for both user safety and the durability of other electronic components.

Construction and functional advantages

The positive terminal integrated with a fuse forms a compact module that simplifies cable routing and system maintenance. This type of solution reduces the number of intermediate connections, which minimizes the risk of voltage drops and local overheating at the contact points.

Key benefits include:

• stable mounting of the positive battery cable,
• integrated overcurrent protection in a single component,
• organized cable routing in the engine compartment,
• easier diagnostics of faults in the main circuit.

The original Mercedes solution ensures proper fitment to the factory wiring harness and the appropriate protection characteristics for the given model.

Component condition and installation aspects

The offered Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal is a used part, which in practice means it comes from disassembly and may show signs of wear typical for aftermarket parts. Such components are often chosen as an economical alternative to new parts, while maintaining the original design and fitment.

Before installation, a standard check of the contact condition and proper cleaning of the contact surfaces in the vehicle is recommended. Installation should be performed by a person with experience in working with high-current systems, while observing safety rules when disconnecting and connecting the battery.

Why it is worth using the original positive terminal with a fuse

Using the original Mercedes solution in the main power supply area allows for maintaining the consistency of electrical parameters with the factory design. This is especially important in modern models, where energy management systems are sensitive to connection quality and voltage stability.

By choosing this component, you gain:

• a component designed specifically for the vehicle platform,
• integrated protection matched to the system load,
• the ability to restore the factory configuration after repairs or modifications.

Related components from the electrical protection group

If you are planning a comprehensive repair or upgrade of the power supply and electrical protection area in your Mercedes and need other elements from the same group, such as additional fuses, distribution modules, or fuse boxes, check the available parts in the Mercedes Fuses and fuse boxes category.

Technical support and selection by part numbers

When selecting electrical system components and protections, it is worth using reliable technical sources, especially when it is necessary to match parts by catalog numbers or according to a specific vehicle configuration. Additional information on diagnostic principles, component selection by OEM numbers, and power supply system operation can be found in the article Fuel system – injectors, pumps and fuel tank: maintenance and regeneration, which discusses a practical approach to working with power supply and protection elements in modern cars.