Mercedes X156 Collision Warning System Radar Sensor Distronic A0009051704

Mercedes X156 Collision Warning System Radar Sensor Distronic is an advanced component from the Lidar and radar sensors group, responsible for precise monitoring of the area in front of the vehicle. It enables the operation of the adaptive cruise control and driver assistance systems, increasing safety and driving comfort in urban traffic and on the road. The offered module comes from a Mercedes vehicle and is intended for professional service replacement.

Specifications and technical data

• SKU: A0009051704
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009051704
• Substitutable numbers: A0009051704, A 000 905 17 04
• Category: Lidar & Radar Sensors

Function and application of the Distronic radar sensor

The presented radar sensor is responsible for the operation of the collision warning system and adaptive cruise control in models from the X156 family. Thanks to precise measurement of the distance and speed of preceding vehicles, the module enables smooth maintenance of the set speed and distance, and also supports the braking system in emergency situations. It is a key component for drivers who expect stable operation of assistance systems and predictable vehicle behavior in traffic.

Benefits of using an original Mercedes sensor

Using an original radar sensor in a Mercedes car ensures proper cooperation with the vehicle's factory electronics and controller software. The module is designed for integration with active safety systems, which translates into:

• stable operation of the Distronic system across the full speed range,
• correct response of collision warning systems,
• consistency of operation with other vehicle sensors,
• maintenance of factory comfort and safety parameters.

For users looking for a service solution with predictable properties, such an element is a practical choice, allowing for the restoration of assistance system functionality without interfering with the installation structure.

Characteristics and installation in the vehicle

The collision warning system radar sensor is a component mounted in the front area of the body, where it has an optimal "field of view" in front of the vehicle. After installation, it usually requires a calibration procedure in service conditions so that its operation complies with the manufacturer's requirements. Proper installation and adjustment of the module has a direct impact on:

• accuracy of distance measurement to objects,
• smoothness of adaptive cruise control operation,
• effectiveness of potential collision warnings.

Due to the specific nature of radar system operation, installation in a specialized service center equipped with appropriate diagnostic and calibration equipment is recommended.

Product condition and economic aspect

The offered sensor belongs to the group of used components, which allows for a significant reduction in repair costs compared to purchasing a new module, while maintaining the functionality required for daily operation. This is a particularly beneficial solution for users who want to restore the operation of the Distronic system and collision warning functions while controlling their service budget. Choosing such a component is a reasonable compromise between price and functionality, especially in the case of vehicles used on a daily basis.

To better understand the specifics of installation and selection of used electronic modules and sensors, it is worth reading the guide describing selection by identification numbers, hardware and software compatibility issues, and practical installation tips: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Expansion of the radar system in Mercedes

If you are planning a comprehensive repair or upgrade of the front zone responsible for driver assistance systems in your Mercedes and need other elements from the same group, such as additional sensors, radar modules, or mounting elements, check the available parts in the Mercedes Lidar and radar sensors category.