Mercedes-Benz E-Class A207 Wiring Loom Cable Harness A2074407913

The Mercedes-Benz E‑Class A207 Wiring Harness is an original vehicle installation component, designed for precise routing and connection of circuits within the A207 body type. Thanks to its factory design, it ensures stable electrical connections, proper wire placement, and compatibility with factory connectors. This is a practical solution for users and workshops aiming to maintain consistency with the original Mercedes electrical architecture.

Specifications and technical data

• SKU: A2074407913
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2074407913
• Substitutable numbers: A2074407913, A 207 440 79 13, KZ
• Category: Wiring Harnesses, Cables & Connectors

Technical Characteristics of the Harness

The presented harness belongs to the Cables, Harnesses, and Connectors group, meaning it is responsible for distributing signals and power between individual modules and body components. Its construction is based on multi-core wires of various cross-sections, terminated with factory connectors matched to the installation in E-Class A207 models. The arrangement of branches, segment lengths, and connector types are in line with solutions used by the vehicle manufacturer.

Purpose and Application in Mercedes-Benz E‑Class A207

The harness has been specifically designed for the A207 body, which translates to proper wire routing within the vehicle's space, suitable mounting points, and compatibility with factory brackets. This type of component is particularly useful for:

• Collision repairs where the original installation has been mechanically or thermally damaged,
• Resolving issues with chafed wires and unstable connections,
• Restoring the correct operation of factory electrical consumers.

By preserving the original harness geometry, it is possible to maintain clear wire routing, which facilitates diagnostics and subsequent service work.

Benefits of Using an Original Mercedes Harness

Using an original harness in the E-Class A207 helps reduce the risk of problems typical for installations done from scratch, such as unreliable soldering, incorrect wire gauges, or accidental short circuits. Factory connectors ensure:

• Secure electrical contacts,
• Correct pin coding,
• Easier installation and removal during servicing.

This solution is particularly valued by workshops specializing in the Mercedes brand, where assembly repeatability and compliance with the manufacturer's service documentation are crucial.

Condition of the Component and Installation Aspects

The offered harness comes from a used vehicle, allowing for an economical replacement of a damaged installation section while maintaining original quality of workmanship. Before installation, a standard visual inspection of the insulation and connectors is recommended, followed by matching the wire routing to the factory mounting points in the A207 body. This ensures proper installation routing, avoiding mechanical stress and potential chafing in the future.

If you are planning a comprehensive repair or upgrade of the vehicle's body electrical system in your Mercedes and need other components from the same group, such as additional harnesses, wire segments, or connectors, check the available parts in the Mercedes Cables, Harnesses, and Connectors category.

Technical Support and Parts Selection

Selecting the correct harness for a specific E-Class A207 equipment version requires attention to the vehicle's configuration and compatibility with the factory installation. If in doubt, it is advisable to consult an automotive electrician or a Mercedes-specialized service center to avoid incorrect consumer connections. For users planning major powertrain repairs concurrently, a practical guide may be helpful – more information can be found in the article How to Buy a Used Car Engine and Avoid Pitfalls – A Step-by-Step Guide.