Mercedes CL C216 Door Electrical Wiring Harness Left Right N/O/S A2165406507

Mercedes CL C216 Door Electrical Wiring Harness Left Right N/O/S is an original electrical installation component designed to support door equipment on the driver's or passenger's side. Thanks to its factory fit for the CL C216 body, it ensures stable signal and power connections, which translates into the proper operation of controllers, switches, and other door components. It is a practical solution for post-collision repairs, door replacements, or damage to the existing harness.

Specifications and technical data

• SKU: A2165406507
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2165406507
• Substitutable numbers: A2165406507, A 216 540 65 07
• Location on the vehicle: Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented harness belongs to the Wires, harnesses, and connectors group and was designed specifically for the Mercedes CL C216 model. It is responsible for transmitting signals and power between the body installation and components located in the door, such as control modules, switches, or electrical receivers.

The vehicle placement includes both the left and right sides, allowing the component to be used depending on the repair configuration and specific body variant. As a result, the harness is suitable for both single door replacements and more extensive service work within the vehicle's side zones.

Construction and technical advantages

The original Mercedes door harness design was developed with precise wire routing inside the door panel and pillar in mind. The connectors used are factory-matched to the vehicle's installation sockets, which facilitates assembly and reduces the risk of connection errors.

• dedicated connectors compatible with the CL C216 installation,
• wires routed in accordance with the factory door geometry,
• placement of mounting points for original brackets and grommets,
• preservation of the correct order and division of electrical circuits.

Thanks to this, the harness allows for the restoration of the original installation path, which is important both in terms of safety and subsequent electrical diagnostics.

Practical application in service

The CL C216 door harness is particularly useful for:

• repairs after mechanical door damage,
• problems with wire chafing or breakage in the grommets,
• restoring the installation after unprofessional modifications,
• replacing complete doors with elements in a different color or from another vehicle.

The original Mercedes component allows for maintaining the consistency of the electrical installation, which facilitates subsequent service and limits the risk of faults resulting from incorrect connections.

Condition and benefits of choosing a used part

The offered harness is a used item, sourced from dismantling. For many Mercedes CL C216 users, this is a cost-effective solution that allows for restoring full door functionality while maintaining the manufacturer's original specifications. In the case of electrical installations, using a part from dismantling is often fully sufficient, provided that wire continuity and connector integrity are maintained.

Before installation, it is recommended to perform a standard inspection of the insulation and connector condition, and then install it according to Mercedes service procedures, ensuring proper routing of the harness in the door and pillar.

Expanding door installation upgrades

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as additional harnesses, connectors, or wire sections, check the available parts in the Mercedes Wires, harnesses, and connectors category.

For those interested in a broader approach to vehicle modifications, including comparing standard components with higher-specification solutions, the article describing the differences in high-class components may be helpful – you can find it here: BMW M Performance: how do BMW M components differ from standard ones?.