Mercedes W177 W247 Positive Battery Cable Lead Wire Starter A1775407932

Mercedes W177 W247 Positive Battery Cable Lead Wire Starter is an original electrical system component designed for a reliable connection between the positive battery terminal and the vehicle's power supply system. Thanks to its factory-spec design, it ensures stable starting current conduction and the proper operation of all electrical consumers. It is a practical solution for users who expect consistency with the factory Mercedes installation and want to avoid quality compromises.

Specifications and technical data

• SKU: A1775407932
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1775407932
• Substitutable numbers: A1775407932, A 177 540 79 32
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the electrical system

The presented positive battery cable has been designed as a component of the power supply system in Mercedes W177 and W247 series vehicles. Its task is to safely and efficiently transfer high starting currents and power key electrical components, such as the starter, control modules, or comfort equipment. The properly selected conductor cross-section and connector design limit voltage drops, which promotes reliable engine starting and stable operation of the electronics.

Cable construction and product group

The item belongs to the Cables, harnesses, and connectors group, which means it is an integral part of the vehicle's factory electrical harness. The applied connection terminals are matched to the mounting points in the engine compartment, which facilitates correct cable routing and minimizes the risk of mechanical stress. The appropriate cable insulation is adapted for operation in an automotive environment, where variable temperatures, moisture, and vibrations occur.

Benefits of using an original positive cable

Using an original positive battery cable in a Mercedes W177 or W247 allows for maintaining consistency with the vehicle's factory technical documentation. This is particularly important in modern cars, where the electrical system works with extensive safety and comfort systems. The appropriate conduction parameters and matched cable length help avoid unwanted modifications, such as extensions or non-factory connectors, which could generate additional resistance or points of potential failure.

Product condition and service application

The offered cable comes from a Mercedes vehicle and is intended for reinstallation as a service part. It is a good solution in situations where the existing cable has suffered mechanical damage, overheating, connector corrosion, or requires preventive replacement during work on the power supply system. Using an original component from the same group of parts allows for maintaining the factory cable routing and compatibility with mounts and covers in the engine compartment.

Integration with other system components

The positive battery cable works with other parts of the electrical harness, ground points, and overcurrent protection devices. The correct selection of this component is important both for starting reliability and for protecting sensitive electronic modules against voltage drops or local overheating. Replacing the cable with an original component from the same product family facilitates diagnostics and service, as factory routing paths and mounting points are preserved.

If you are planning a comprehensive repair or upgrade of the electrical system area in your Mercedes and need other elements from the same group, such as power cables, harness sections, or dedicated connectors, check the available parts in the Mercedes cables, harnesses, and connectors category.