Mercedes C117 Front Bumper Pedestrian Crash Impact Sensor Unit A1179059001

Mercedes C117 Front Bumper Pedestrian Crash Impact Sensor Unit is a specialized component from the Lidar and radar sensors group, responsible for precise collision detection in the front part of the body and cooperation with the pedestrian protection system. The used original component ensures proper fitment to the factory installation and maintenance of operating parameters in accordance with the manufacturer's specifications.

Specifications and technical data

• SKU: A1179059001
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1179059001
• Substitutable numbers: A1179059001, A 117 905 90 01
• Location on the vehicle: Front
• Part type: Sensor
• Category: Lidar & Radar Sensors

Purpose and function of the sensor

The pedestrian crash impact sensor in Mercedes C117 models operates in the front zone of the vehicle, monitoring collision signals and transmitting them to the appropriate safety control units. Its task is to react quickly to specific types of impacts, which allows for the activation of pedestrian protection system elements in accordance with the manufacturer's algorithms. Placement in the front area of the vehicle enables accurate mapping of actual loads during frontal or oblique collisions, and thus the correct operation of the entire passive safety system.

Construction and integration with vehicle systems

As an element from the Lidar and radar sensors category, the sensor works with other electronic modules responsible for analyzing data from the front of the vehicle. The design provided by the manufacturer allows for:

• stable mounting in the front zone,
• correct signal routing to safety control units,
• maintenance of factory mounting geometry. Thanks to this, the system can correctly distinguish types of road events and react in accordance with the assumptions of the pedestrian protection system, without the need for installation modifications.

Benefits of using an original used sensor

Using an original, used crash impact sensor in a Mercedes C117 allows for maintaining the consistency of the entire safety system with the vehicle's factory configuration. This solution is particularly beneficial for post-accident repairs, when it is required to restore the full functionality of protection systems at reasonable service costs. A used component from professional dismantling also offers the possibility of maintaining compatibility with control unit software and the reliability of measurement signals, which is important both for the operation of the pedestrian protection system and for service diagnostics.

Selection and installation in the front zone

When selecting a pedestrian crash impact sensor for a Mercedes C117, it is crucial to match it to the specific vehicle configuration and ensure proper placement on the vehicle in the front area. Correct installation at the mounting point provided by the manufacturer ensures:

• appropriate sensitivity to mechanical loads,
• correct transmission of information to control units,
• maintenance of the system activation thresholds set by the manufacturer. It is recommended that the installation be performed in accordance with service procedures, which promotes stable sensor operation in the long term.

Technical support and additional information

If you are planning a comprehensive repair or modernization of the front zone in your Mercedes and need other elements from the same group, such as additional sensors, cooperating modules, or mounting elements, check the available parts in the Mercedes Lidar and radar sensors category. When making a decision about using a used sensor, it is worth familiarizing yourself with practical tips regarding automotive electronics – component selection, compatibility verification, and assessment of repair cost-effectiveness. An extended discussion of these issues can be found in the article Second life of electronics – when is it worth choosing used engine control units, comfort modules, and parking sensors?, which will help you consciously plan the repair of electronic systems in the vehicle.