Mercedes W205 Front Headlight Wiring Harness Cable Plug Right O/S A2059060204

Mercedes W205 Front Headlight Wiring Harness Cable Plug Right O/S is an original electrical system component designed to support the right headlight in the front of the vehicle body. Thanks to factory-spec connector geometry and precise fitment for this specific vehicle generation, the harness ensures a stable electrical connection and proper operation of the lighting system. It is a practical solution for post-collision repairs, headlight replacement, or damage to the factory wiring.

Specifications and technical data

• SKU: A2059060204-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2059060204
• Substitutable numbers: A2059060204, A 205 906 02 04
• Location on the vehicle: Front, Right
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented wiring harness is a component from the Wires, harnesses, and connectors group, responsible for connecting the right headlight to the electrical system in the front of the car. The location on the vehicle, specified as front – right side, means that the component operates in a zone particularly exposed to mechanical damage (e.g., after a collision, lamp replacement, or bodywork repairs), which is why its correct fitment has a direct impact on:

• reliable power supply to headlight bulbs or lighting modules,
• proper operation of low beam, high beam, and parking lights,
• stability of control signals originating from body control modules.

Advantages of using an original Mercedes harness

The headlight wiring harness dedicated to the W205 series was designed by Mercedes to maintain factory electrical and mechanical parameters. Using an original solution instead of universal replacements helps reduce the risk of issues with:

• improper fitment of connectors to the headlight and vehicle installation,
• power interruptions causing flickering or headlight failure,
• errors in diagnostic systems resulting from incorrect circuit resistance.

Thanks to its factory design, the harness facilitates service and diagnostics, and allows for maintaining consistency between the installation and the vehicle's technical documentation, which is particularly important in modern electronically controlled lighting systems.

Installation and operational characteristics

The component is intended for installation in the front right part of the engine bay, in the immediate vicinity of the headlight. The harness design accounts for routing the wires through factory mounting points, which helps to:

• maintain proper wire positioning relative to body components,
• minimize the risk of insulation chafing and mechanical damage,
• keep the electrical installation tidy around the headlight area.

The product is offered as a used original component, which in practice means an advantageous combination of factory fitment and an attractive price compared to new parts. Before installation, it is recommended to perform a standard inspection of the connector condition and wire insulation, in accordance with service procedures used for vehicles of this brand.

Application in front lighting repairs

Replacing the headlight wiring harness is particularly recommended in situations where there has been mechanical damage to the connectors, melting of the insulation, or wire breakage as a result of a collision or long-term wear. Using a dedicated component allows for restoring:

• full functionality of the right headlight,
• stability of external lighting systems,
• compliance of the installation with factory electrical diagrams.

For workshops specializing in the Mercedes brand and users who care about technical correctness of repairs, such a harness is a practical solution for comprehensive servicing of the front lighting zone.

Related components and additional information

If you are planning a comprehensive repair or upgrade of the front lighting zone in your Mercedes and need other elements from the same group, such as additional harnesses, power cables, or headlight connectors, check the available parts in the Mercedes wires, harnesses, and connectors category.

When working with headlights, it is also worth checking out practical tips regarding the selection and replacement of lamps and lighting equipment – the article See more and better – a complete guide to selecting and replacing used LED and Xenon headlights, which discusses key aspects of safety and operation of lighting systems in vehicles, may be helpful.