Mercedes W204 Parktronic Parking Distance Control Module Unit ECU A2044401402

Mercedes W204 Parktronic Parking Distance Control Module Unit ECU is a specialized component from the Electronic control modules and controllers category, responsible for the precise management of parking sensor operations in W204 series models. It enables stable communication between the sensors and the vehicle's electrical system, supporting the driver while maneuvering in tight spaces and increasing the vehicle's operational safety.

Specifications and technical data

• SKU: A2044401402
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044401402
• Substitutable numbers: A2044401402, A 204 440 14 02
• Category: ECUs & Computer Modules

Function and application of the PDC controller in the Mercedes W204

The presented module is responsible for coordinating the operation of PDC parking sensors in the Mercedes W204 class, analyzing signals from ultrasonic sensors and transmitting them to the driver information system. A properly functioning controller ensures clear acoustic or visual alerts, which facilitates precise parking and reduces the risk of body damage during maneuvers in confined spaces.

This component is part of the factory electronic architecture of the Mercedes, working with the vehicle's installation via dedicated connectors and communication buses. As a result, it integrates with other comfort and safety systems, maintaining performance characteristics consistent with the manufacturer's specifications.

Benefits of using an original control module

Using an original PDC controller in a Mercedes W204 allows for maintaining the consistency of the entire parking system's operating parameters. A module from the same design family as the factory-installed component ensures:

• preservation of the factory logic of the parking assistance system,
• proper cooperation with the existing wiring harness and sensors,
• stable operation under typical vehicle operating conditions.

For the user, this means predictable behavior of the PDC system, without the need to adapt universal solutions or interfere with the vehicle's electrical installation.

Product characteristics and installation aspects

The module belongs to the Electronic control modules and controllers group, which means it is designed to operate in the complex electronic environment of a modern Mercedes. The housing is adapted for installation in the location provided by the manufacturer, using factory mounting points and original installation connectors.

Before installation, it is recommended to verify the module's compatibility with the specific vehicle equipment version and to perform computer diagnostics after installation to confirm proper communication with other controllers. In many cases, after replacement, it is necessary to perform adaptation procedures using an appropriate diagnostic tester, in accordance with service practices for Mercedes vehicles.

Product condition and use in vehicle service

The offered component is intended for users and workshops looking for a proven PDC module for the Mercedes W204 to restore full functionality of the parking assistance system. It can be used both for typical repairs after a controller failure and for replacing the component as part of troubleshooting parking system faults.

In service practice, such a module is often used as a cost-effective solution for problems with improper sensor operation, lack of warning signals, or errors stored in the vehicle's controller memory. A properly selected and installed component allows for restoring the comfort of using the car without the need for bodywork interference.

If you are planning a comprehensive repair or upgrade of the parking assistance systems area in your Mercedes and need other components from the same group, such as additional control modules, comfort controllers, or body electronics management units, check the available parts in the Electronic control modules and controllers Mercedes category.

Substantive support and knowledge about electronic modules

When working with automotive electronics, including modules responsible for comfort and safety systems, it is worth using reliable sources of knowledge regarding diagnostics, adaptation, and safe installation. For those interested in a broader context of how controllers and comfort modules work in modern cars, an article describing a practical approach to repairing and replacing control units in premium segment vehicles may be useful – you can find it here: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?.