Mercedes V177 Electrical Wiring Harness Left Right N/O/S A1775401740

Mercedes V177 Wiring Harness Left/Right is an original body electrical system component, designed for precise signal and power routing on both sides of the vehicle. Thanks to its factory design for the Mercedes brand, it ensures consistency with the original electrical diagram and stable operation of components installed on the left and right sides.

Specifications and technical data

• SKU: A1775401740
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1775401740
• Substitutable numbers: A1775401740, A 177 540 17 40
• Location on the vehicle: Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the Vehicle

The presented wiring harness belongs to the Wires, Harnesses, and Connectors group and is specifically designed for the V177 body type. It is responsible for the organized routing of wires along the vehicle's structure, both on the left and right sides, which reduces the risk of chafing, short circuits, and interference in the operation of electrical consumers.

Its placement on the vehicle covers both sides, facilitating fitting during repairs or replacement of a section of the electrical system. The use of an original wiring harness ensures compatibility with the factory layout of connectors, mounting points, and wire routing.

Benefits of Using an Original Mercedes Wiring Harness

Using this wiring harness in the vehicle offers a range of practical technical benefits:

• preservation of the factory electrical system architecture on the left and right sides of the body,
• compatibility with original connectors and mounting brackets,
• reduced risk of installation errors compared to universal solutions,
• easier fault diagnosis due to compliance with Mercedes service documentation.

As a component from the Wires, Harnesses, and Connectors group, the product supports stable power supply and communication between control modules, sensors, and consumers, which directly impacts the reliability of comfort and safety systems.

Condition, Selection, and Service Application

The wiring harness is offered as a used part, allowing for economical repair of the electrical system while maintaining the original manufacturer's specifications. This solution is particularly useful for localized damage to the electrical system resulting from collisions, mechanical interference, or spot corrosion of connectors.

When selecting electrical system components for a Mercedes V177, it is worth paying attention to:

• compatibility with the specific body version and equipment,
• correct placement on the vehicle (left/right side),
• consistency with the existing wire and connector architecture.

A properly selected wiring harness facilitates installation and reduces the need for modifications, which is important both in professional service and for DIY repairs.

Expansion and Modernization of the Electrical System

If you are planning a comprehensive repair or modernization of the electrical system area in your Mercedes and need other components from the same group, such as additional wire sections, door harnesses, or service connectors, check the available parts in the Mercedes Wires, Harnesses, and Connectors category.

To deepen your knowledge about selecting original components by identification numbers and how to safely use used OEM parts, the following guide article may be helpful – check out the material: Five-Cylinder Audi Engine – Legend and Selection of Used OEM Parts.