Mercedes-Benz M ML W164 Door Cable Harness Wiring Loom Rear Left N/S 13542340

The Rear Left Door Harness for Mercedes-Benz M/ML W164 is an original electrical installation component designed for installation in the rear left door of the vehicle. As part of the Cables, Harnesses, and Connectors group, it ensures a stable connection between body modules and door hardware. This is a practical solution for users who want to restore full functionality to their Mercedes' door electrics.

Specifications and technical data

• SKU: A1635461237
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1635461237
• Substitutable numbers: A1635461237, A 163 546 12 37, 13542340, EM
• Location on the vehicle: Rear, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the Vehicle

The presented door harness is designed for installation in the rear left door of Mercedes M/ML class vehicles of the W164 generation. It is responsible for transmitting signals and power between the body's electrical system and the components located in the door, such as actuators, switches, or control modules. Thanks to the factory-designed wire routing and original connectors, installation is organized and consistent with the vehicle's construction.

Advantages of Using an Original Harness

Using an original door harness in the Mercedes W164 allows for compliance with the vehicle's original electrical architecture. Appropriately selected wire gauges, proper shielding, and matched connectors minimize the risk of voltage drops, signal interference, and communication problems between modules. This is particularly important in modern systems where many body functions are digitally controlled.

A harness designed for a specific vehicle location facilitates service and diagnostics – the mechanic or electrician can be sure that the wire routing, section lengths, and connector types match the factory specifications. For the user, this means more predictable operation of comfort systems and a lower risk of malfunctions resulting from improper installation modifications.

Professional Installation and Compatibility

The rear left door harness for the Mercedes M/ML W164 is structurally prepared for installation in the original mounting points in the door and the grommet between the door and the body. The appropriate shaping of the wires facilitates routing the harness in the factory channels, which minimizes the risk of insulation abrasion and mechanical damage during door operation.

This component is particularly useful for repairs after mechanical damage, wire corrosion, or installation interventions that have led to unstable door electrical operation. Using a complete harness instead of makeshift repairs of individual wires allows for restoring the integrity of the installation and facilitates subsequent computer diagnostics.

Product Characteristics and Condition

The offered harness belongs to the Cables, Harnesses, and Connectors group, meaning it is strictly an installation component responsible for transmitting energy and signals within the body. The product comes from a dismantled vehicle, thus retaining the original connector configuration and wire routing consistent with the factory solutions used by Mercedes. This is a practical alternative to new components, allowing for an economical yet technically correct repair.

Expanding the Electrical System in a Mercedes

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

If you are interested in a broader approach to vehicle modification and want to better understand how selecting the right components affects the car's performance and character, check out the guide How to Increase Engine Power: A Practical Guide to Tuning Engines with Used Parts, which will help you plan further work on your car.