Parking Module Mercedes W204 S204 PDC Distance Control Unit Sensor A2049009004

The Mercedes W204 S204 Parking Sensor Control Module is a component from the Electronic Control Modules and Controllers category, designed for the parking assistance system in Mercedes C-Class W204/S204 generation vehicles. It is responsible for precise processing of signals from the sensors, providing the driver with clear information about the distance to obstacles and ensuring stable operation of the parktronic system. A used control module allows for an economical yet professional repair of the factory system without interfering with the vehicle's wiring.

Specifications and technical data

• SKU: A2049009004
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2049009004
• Substitutable numbers: A2049009004, A 204 900 90 04, 0 263 004 452, 0263004452
• Category: ECUs & Computer Modules

Purpose and Function of the Control Module

The parking sensor control module in the Mercedes W204/S204 acts as the central unit managing the operation of the bumper sensors. It receives signals from individual sensors, analyzes them, and transmits them to the driver's visual and acoustic warning systems. This ensures that the parking system operates predictably, and its reactions to obstacles are consistent with the manufacturer's original specifications.

As a component within the electronic control modules and controllers group, the control module communicates with the vehicle's data bus, integrating with other comfort and safety systems. A correctly selected module allows for the restoration of full parktronic functionality after a failure or damage to the original unit.

Selection by Part Numbers and Compatibility

For parking system control modules, matching by OEM part number and interchangeable part numbers is crucial. This ensures hardware and software compatibility with the specific equipment configuration of a given Mercedes W204 or S204. Before purchasing, it is advisable to compare the markings on the removed module and verify them with the vehicle's documentation or by VIN number.

To better understand the principles of selecting used control modules and other electronic components, it is recommended to consult the guide: Used Automotive Electronics – How to Safely Choose ECU Modules and Sensor Controllers. The article explains, among other things, issues of hardware compatibility, software versions, and practical aspects of installation.

Benefits of Using a Used Module

Using a used parking sensor control module in the Mercedes C-Class W204/S204 is a sensible service solution, especially when aiming to maintain factory functionality at a controlled cost. This type of component allows you to:

• restore the parking system's operation without the need for a costly replacement of the entire sensor set,
• maintain original integration with the vehicle's electrical system and equipment,
• preserve consistent operation with other comfort and safety modules.

For many users, it is also important that an original control module retains the factory operating parameters of the system, which translates into predictable alerts and stable parktronic operation in daily use.

Professional Installation and Operation

The installation of the parking sensor control module in the Mercedes W204/S204 should be performed following the manufacturer's procedures, including correct wiring connections and potential adaptation in the diagnostic system. In many cases, the installation is plug-and-play, but the final scope of work depends on the specific vehicle's configuration.

After installation, computer diagnostics are recommended to check the module's communication with other control units and to perform a sensor test. This confirms that the parking system is operating stably and that the newly installed component has been correctly recognized by the vehicle's system.

Other Mercedes Electronic Control Modules and Controllers

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 select other onboard electronics based on brand and product category, maintaining the consistency of the entire system.