Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326

The Mercedes W204 Front Left Door Module is a component from the Electronic Control Modules and Controllers category, responsible for managing the driver's door functions in Mercedes vehicles. It ensures the proper operation of electrical systems in the front left door, providing stable communication with the vehicle's wiring. This solution is designed for users seeking a tested, used component with factory performance characteristics.

Specifications and technical data

• SKU: A2048704326
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048704326
• Substitutable numbers: A2048704326, A 204 870 43 26
• Location on the vehicle: Front, Left
• Category: ECUs & Computer Modules

Door Module Purpose and Function

The front left door module in the Mercedes W204 acts as a local controller responsible for managing electrical functions within the front left door. As part of the comfort system, it collaborates with the main body electronics, transmitting signals and executing control commands.

Due to its dedicated placement on the front left side of the vehicle, this component is tailored to the electrical system architecture of specific body versions, ensuring proper communication with other modules.

Benefits of Using an Original Mercedes Module

Using an original door module from the series designed for the Mercedes W204 helps maintain the integrity of the entire body control system. This type of component is engineered to:

• Maintain appropriate communication parameters on the vehicle's bus,
• Integrate with factory door wiring harnesses,
• Ensure the correct operation of comfort functions assigned to the driver's door.

For the user, this translates to stable operation of electrical systems within the door and a reduced risk of errors caused by using an incompatible replacement. For modules in the Electronic Control Modules and Controllers category, proper compatibility is crucial for the reliability of the entire system.

Product Characteristics and Installation

The presented module belongs to the category of used electrical components, allowing for an economical restoration of door control system functionality while maintaining factory design. It is intended for installation in the front left door, in the location designated by the vehicle manufacturer.

When selecting this type of component, it is recommended to verify compatibility by part number and vehicle equipment configuration. A correctly chosen module allows for near plug-and-play installation, utilizing existing connectors and mounting points without the need for modifications to the wiring harness.

Professional Selection of Used Electronics

For components such as door modules, comfort controllers, or other body controllers, correct matching of hardware and software versions is essential. It is advisable to use OEM part number and vehicle data for selection procedures to avoid communication issues within the vehicle's electronic network.

If you want to learn more about how to safely choose used controllers and other electronic components, you will find practical tips in the Global Parts guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?

Other Mercedes Electronic Control Modules

If you are also looking for other Mercedes Electronic Control Modules and Controllers for your car, check out our dedicated offer: Mercedes Electronic Control Modules and Controllers. This will allow you to easily assemble a set of components matched to your vehicle's system.