Rear Window Module Mercedes W207 C207 Coupe Control Unit ECU A2079004400

The Mercedes W207 C207 Rear Window Module (Used) is an item from the Electronic Control Modules and Controllers category, designed to control the rear window in the coupé and cabrio body styles of this series. It enables the proper operation of the window lifting and lowering mechanism, ensuring stable communication with the vehicle's electrical system. This is a solution for users who want to restore full functionality to the rear window while maintaining the system's original operating logic.

Specifications and technical data

• SKU: A2079004400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2079004400
• Substitutable numbers: A2079004400, A 207 900 44 00
• Location on the vehicle: Rear
• Category: ECUs & Computer Modules

Module Purpose and Function

The rear window module is responsible for controlling the operation of the rear window in Mercedes E-Class models of the W207/C207 series, integrating signals from control buttons, the comfort system, and anti-pinch protection. As part of the comfort system, it monitors:

• smooth window lifting and lowering,
• response to signals from switches in the doors and console,
• cooperation with the central locking system and comfort closing functions,
• communication with other body control modules via the data bus.

This ensures consistent operation of the entire electric window system, contributing to user convenience and correct functioning of comfort features.

Vehicle Compatibility and Integration

The Mercedes W207 C207 Rear Window Module (Used) is designed as a dedicated component for a specific body platform, which facilitates integration with the factory wiring harness and vehicle software. Its placement on the vehicle is intended for the rear part of the body, in close proximity to the window's electrical installation, which shortens signal paths and reduces the risk of interference.

In practice, this means:

• retention of the original window system functionality,
• no need for electrical installation modifications,
• easier diagnostics in case of potential faults.

Category Characteristics: Mercedes Electronic Control Modules and Controllers

If you are looking for other items from the Mercedes Electronic Control Modules and Controllers category, check out our dedicated offer: Mercedes Electronic Control Modules and Controllers. There you will find a wide selection of body control modules, comfort modules, and other electronic components tailored for various models of this brand.

Condition, Origin, and Service Application

The offered module is a used part from a disassembly, which is a cost-effective service solution for vehicle owners looking to reduce repair costs while maintaining compliance with factory specifications. This type of component is particularly useful in situations where:

• the original module has been damaged due to flooding, power surge, or wear,
• there are problems with the rear window operation (no response, jerky operation, communication errors),
• the controller needs replacement after a failed electronics repair.

In many cases, after installation, adaptation or coding using an appropriate diagnostic tester is required for the module to be correctly recognized by the other control units in the vehicle.

Technical Knowledge and Additional Materials

When working with components such as electronic control modules and controllers, it is advisable to consult reliable sources of knowledge regarding automotive electronics diagnostics and repair. For example, in an article describing BMW's iDrive systems and modules, you will find universal tips for working with used controllers, installation procedures, and functionality verification: How to care for electronic systems and modules using parts from disassembly. Although the text concerns a different brand, the issues discussed are also helpful when working with modules in Mercedes vehicles.

Summary

The Mercedes W207 C207 Rear Window Module (Used) is a practical solution for users who want to restore proper rear window operation while maintaining factory integration with the vehicle's electronics. Its dedicated purpose, compatibility with the electrical system, and suitability for service repairs make it a functional choice for workshops and individual users seeking a reliable control module.