Mercedes S205 Estate Rear Lamp Inner Wiring Harness Cable RIght O/S A2059065105

Mercedes S205 Estate Rear Lamp Inner Wiring Harness Cable RIght O/S is an original electrical system component designed for the right rear section of the vehicle body. It ensures a proper electrical connection between the lamp and the factory vehicle wiring, which translates into stable rear lighting performance and compliance with factory safety standards. Thanks to the use of a dedicated harness, seamless integration with the Mercedes electrical system is possible without the need for modifications.

Specifications and technical data

• SKU: A2059065105-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2059065105
• Substitutable numbers: A2059065105, A 205 906 51 05
• Location on the vehicle: Rear, 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 Cables, harnesses, and connectors group, responsible for transmitting signals and power to the right rear lamp in the estate body style. Its placement in the rear right part of the vehicle allows for precise fitting to factory mounting points and cable routing, which limits the risk of chafing, looseness, or improper installation layout.

The harness supports rear lighting circuits, such as position lights, brake lights, turn signals, or license plate lighting (depending on the specific vehicle configuration), ensuring all lamp functions operate correctly according to the manufacturer's specifications.

Construction and fitment for Mercedes

As a component dedicated to the Mercedes brand, the harness has been designed for the specific geometry of the S205 Estate body. Properly selected cable lengths, connector placement, and mounting points allow for:

• installation in original routings and brackets,
• secure connection to the rear lamp on the right side,
• maintenance of factory sealing and moisture protection within the connectors.

Such fitment reduces the risk of installation errors and eliminates the need for wiring modifications, which is particularly important in modern vehicle electrical systems.

Benefits of using an original wiring harness

Using an original inner rear lamp wiring harness on the right side helps maintain the integrity of the entire electrical system. Key advantages include:

• Compatibility with factory control modules – correct load recognition and no errors in diagnostic systems.
• Stable electrical connections thanks to matched connectors and wire cross-sections.
• Reduced risk of failures resulting from unprofessional wiring repairs (soldering, custom-made wires, use of universal blocks).
• Maintenance of compliance with safety requirements and lighting homologation.

Service application and installation

The inner rear right lamp wiring harness is particularly suitable for:

• repairs after collisions in the rear right part of the body,
• resolving issues with intermittently failing lighting,
• replacing damaged or corroded wires and connectors,
• restoring the factory state of the installation after previous non-original modifications.

Due to the specifics of the electrical system, installation by a person with experience in servicing Mercedes vehicles is recommended, which will ensure the correct cable routing and proper protection of the harness against mechanical damage.

Expansion of the installation within the rear body section

If you are planning a comprehensive repair or upgrade of the rear electrical system in your Mercedes and need other components from the same group, such as additional harnesses, connectors, or wire sections, check the available parts in the Mercedes cables, harnesses, and connectors category.

For users interested in broader topics of vehicle system servicing, including the selection of used components, practical tips regarding the operation of subassemblies such as the air conditioning compressor may be useful – more information can be found in the article Air conditioning compressor – symptoms of failure, causes, and safe replacement.