Radar Sensor Mercedes W177 W205 W247 Front Distronic Module Unit A0009057011

Radar Sensor Mercedes W177 W205 W247 Front Distronic Module Unit is an original, used module from the Electronic control modules and controllers group, designed for operation in the front section of the vehicle. This component is responsible for the precise operation of the Distronic system, assisting the driver in maintaining a safe distance and smooth driving. It is a solution for Mercedes owners who expect stable performance from their factory-fitted assistance system.

Specifications and technical data

• SKU: A0009057011
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009057011
• Substitutable numbers: A0009057011, A 000 905 70 11, 0203302555, 0 203 302 555
• Location on the vehicle: Front
• Category: ECUs & Computer Modules

Purpose and function of the radar module

The presented radar module is mounted in the front body zone, where it is responsible for monitoring the space in front of the vehicle. Based on radar signals, the Distronic system can regulate speed, maintain a set distance, and react to changes in the movement of preceding vehicles. As a result, the driver receives advanced support in daily operation, especially in urban traffic and on highways.

As a piece of factory electronics from Mercedes, the module works with other vehicle controllers, transmitting data to systems responsible for propulsion and braking. A correctly selected and configured radar sensor allows for the restoration of full Distronic system functionality after a collision, bumper replacement, or repairs in the front area of the car.

Benefits of using an original Mercedes module

Choosing an original radar module from this series primarily ensures consistency with the vehicle's factory electronic architecture. The controller is designed for specific Mercedes platforms, which facilitates integration with the communication bus and the car's software. In practice, this means predictable system behavior, no need to adapt universal solutions, and a lower risk of communication errors between controllers.

A used component with preserved OEM structure is also an economical solution compared to purchasing a new module, while maintaining the original technical specifications. For workshops and private users, this is a way to professionally repair the Distronic system without compromising on the quality of the factory component.

Selection, installation, and integration with the vehicle

Before installing the radar module, it is recommended to verify compatibility with the specific vehicle, particularly regarding the model generation and equipment configuration. In practice, selection is usually based on vehicle data and technical numbers assigned to the controller. After installation in the front of the body, it is necessary to perform calibration and diagnostic procedures using appropriate service equipment.

Professional installation and correct calibration are crucial for the stable operation of the driving assistance system. A properly set radar module ensures accurate object recognition, minimizes the risk of false alarms, and allows for full utilization of adaptive distance-keeping functions.

Why choose used OEM electronics?

In the case of advanced systems such as Distronic, used OEM electronics are often a reasonable compromise between cost and quality. You receive a component designed by the vehicle manufacturer, with preserved hardware architecture and software tailored to the specific model generation. This is particularly important when integrating with other controllers and during software updates at a service center.

If you want to better understand how to safely choose used modules and sensors, what to look for regarding compatibility, and what the matching process looks like based on numbers and parameters, check out our guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Expanding the control system in a Mercedes

If you are planning a comprehensive repair or upgrade of the control electronics in your Mercedes and need other elements from the same group, such as engine controllers, comfort modules, or additional body control units, check out the available parts in the Mercedes electronic control modules and controllers category.

For users who want to complete a larger set of original used components in one place – from radar modules and other controllers to small mounting elements – our practical shopping guide may be helpful: comprehensive sourcing of used car parts in one place.