Mercedes CLA C117 X117 Roof Electrical Wiring Harness Cable Loom A1175402309

Mercedes CLA C117 X117 Roof Electrical Wiring Harness Cable Loom is an original electrical system component designed for routing power and signals within the vehicle's roof area. This used, factory-made harness from the Wires, harnesses, and connectors category allows for a technically correct repair or replacement of a damaged section of the installation without the need for modifications. It is a solution for users who expect compliance with factory specifications and stable operation of roof systems.

Specifications and technical data

• SKU: A1175402309
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1175402309
• Substitutable numbers: A1175402309, A 117 540 23 09
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Application and function in the vehicle

The presented roof harness is an electrical system component designed for Mercedes CLA C117 and X117 series models. It is responsible for the orderly routing of wires in the roof zone, ensuring proper power supply and signal transmission to components located in the upper part of the body. Thanks to the factory routing of the wires, the risk of abrasion, short circuits, and interference with the operation of electrical components is minimized. The original design of the harness allows for maintaining the correct geometry of the wire layout, which is important both for safety and for subsequent service maintenance. Dedicated connectors and appropriately selected wire cross-sections promote stable operation of the electrical system over a long period of use.

Construction and technical features

The roof harness has been designed as a complete set of wires with factory connectors, adapted for installation in a specific body model. The layout of branches, the lengths of individual sections, and the types of connectors are matched to the roof architecture in the Mercedes CLA, which facilitates installation and reduces the risk of installation errors. Key advantages of the product include:

• factory fit for the roof construction of the given model,
• orderly routing of wires in a single assembly,
• use of dedicated connectors for the vehicle's installation,
• possibility to restore the original installation path after bodywork or collision repairs. Thanks to these features, the assembly process is predictable and repeatable, which is important both in professional workshops and for repairs carried out in smaller service centers.

Condition of the item and benefits of choosing a used part

The offered harness is in used condition, meaning it comes from vehicle dismantling and has been verified for its suitability for further use. In the case of electrical system components, choosing a used part from factory dismantling is often a beneficial solution, as it allows for maintaining the original parameters of the wires and connectors at a lower repair cost. A roof harness from dismantling is also a way to avoid problems associated with non-original replacements, such as mismatched wire lengths or different types of connectors. With proper installation, it is possible to restore full functionality of the roof installation without interfering with the vehicle's factory electrical architecture.

Installation recommendations and part selection

Due to the nature of the component, it is recommended that the harness be installed by a workshop with experience in working with Mercedes vehicle electrical systems. Proper routing of wires in the roof zone, correct fastening to factory points, and proper engagement of connectors reduce the risk of subsequent failures, such as circuit breaks or signal interference. When selecting a harness, it is worth paying attention to compatibility with the specific body version and vehicle equipment. An appropriately selected element allows for avoiding installation modifications, and maintaining the original wire path facilitates subsequent diagnostics and potential repairs.

Related items and additional information

If you are planning a comprehensive repair or upgrade of the roof zone in your Mercedes and need other elements from the same group, such as additional harness sections, connectors, or adapters, check the available parts in the Mercedes wires, harnesses, and connectors category. For broader work related to the steering system and installation within the front suspension, guide materials may also be helpful – you can find more on the cost-effectiveness of using parts from dismantling in the article Steering play and leaks: is it worth buying a used steering rack from professional dismantling?.