Door Module Mercedes W204 S204 Front Right O/S Control Unit A2048704426

The Mercedes W204 Front Right Door Module is an item from the Electronic Control Modules and Controllers category, designed to manage the functions of the front right door in vehicles of this series. The module is responsible for the proper operation of the electrical systems within the door, ensuring stable communication with the vehicle's wiring and convenient operation of its features.

Specifications and technical data

• SKU: A2048704426
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048704426
• Substitutable numbers: A2048704426, A 204 870 44 26, KD
• Location on the vehicle: Front, Right
• Category: ECUs & Computer Modules

Module Purpose and Function

The presented module is dedicated for installation in the front – right side of the vehicle. As a door controller, it interfaces with the vehicle's body electrical system, being responsible for, among other things, operating elements controlled from the door panel and communicating with other controllers in the vehicle. This ensures consistent operation of comfort and safety systems.

The vehicle placement is factory-defined, which simplifies selecting the correct component and reduces the risk of incorrect installation. The module is structurally designed to operate within the front door environment, taking into account typical electrical loads and operating conditions.

Benefits of Using an Original Mercedes Module

Choosing a door module dedicated to the W204 series allows for maintaining consistency with the vehicle's factory electrical architecture. Proper compatibility with harnesses, connectors, and the software of other controllers translates to:

• Preservation of the door systems' intended operational logic as designed by the manufacturer.
• Reduced risk of communication errors within the vehicle network.
• Easier diagnostics using standard service tools.

The module comes from the Mercedes offering, which signifies compliance with the vehicle manufacturer's quality requirements and proper fitment for the specific model platform.

Installation and Operational Characteristics

The door module is designed as a component that works with the factory installation, facilitating a near plug-and-play installation while adhering to service procedures for body electronics. Its vehicle placement (front right) clearly defines its role in the system and simplifies identification during workshop operations.

As a used component, the module offers a cost-effective solution while maintaining the original manufacturer's specifications. In many cases, it is an efficient way to restore full door functionality without resorting to replacements of uncertain compatibility.

Application in the Body Electronics System

The door module collaborates with other body controllers, forming a cohesive system for managing comfort functions. A correctly selected and configured component helps maintain the stability of the vehicle network's operation and reduces the occurrence of errors related to inter-module communication.

When replacing a controller, it is crucial to match it to the specific vehicle configuration, considering manufacturer markings and reference numbers. This ensures that the full functionality of the front passenger door is maintained, in line with the design intentions of the W204 series.

Support in Selection and Technical Knowledge

If you need a broader perspective on selecting and installing used controllers, you can find practical information in the Global Parts guide: used car electronics – second-hand ECUs and sensors. The article discusses compatibility issues, selection based on manufacturer markings, and common questions related to electronics installation.

If you are looking for other items from the Electronic Control Modules and Controllers category designed for this brand of vehicles, check out the Mercedes electronic control modules and controllers available in our store to select components that match your car's specific configuration.