Description
Mercedes W176 Front Left Impact Sensor is an original part from the Lambda Sensors and O2 Sensors group, designed for precise cooperation with the factory safety system in Mercedes vehicles. It enables the electronic systems to react correctly to a collision in the front left part of the body, ensuring stable and repeatable operating parameters. This is a solution for users who expect compliance with factory specifications and consistency with the vehicle’s electronics.
Specifications and technical data
- SKU: A2139051115
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2139051115
- Substitutable numbers: A2139051115, A 213 905 11 15, A 213 905 14 00, A2139051400
- Location on the vehicle: Front, Left
- Category: Oxygen Sensors
Sensor Purpose and Function
Mercedes W176 Front Left Impact Sensor operates in the front left zone of the vehicle, where it is responsible for registering overloads occurring during a collision. The signal from the sensor is transmitted to the control units responsible for safety systems, allowing for proper interpretation of the event and activation of appropriate protective procedures.
Its placement in the vehicle in the front – left side area ensures accurate representation of dynamic conditions in this part of the body. This allows the electronic system to distinguish the nature of the load and react according to the vehicle manufacturer’s design.
Compatibility and Integration with Mercedes Electronics
The sensor is designed to work with the factory electrical and communication architecture of Mercedes cars, which facilitates its integration with the existing wiring harness and control modules. The appropriate signal characteristics ensure consistency with the control algorithms used in the specific model.
The component belongs to the Lambda Sensors and O2 Sensors group, meaning it is part of a broad system of sensors responsible for monitoring key vehicle operating parameters. Using a component from the same technological line promotes the maintenance of a uniform standard of quality and reliability throughout the system.
Usage Characteristics and Installation
Precise structural fit facilitates installation in the location designated by the manufacturer in the front left part of the vehicle. The appropriately shaped housing and prepared mounting points allow for stable seating of the sensor, which is important for repeatable readings.
The product is offered as a used original part, which is an advantageous solution for users looking for a factory part in a more economical configuration. Maintaining compatibility with the vehicle’s safety system is a priority in this case, which is why choosing an original sensor from the same design family is particularly recommended.
Benefits of Using an Original Impact Sensor
- Consistency with the factory safety system and vehicle electronics.
- Dedicated placement in the front left zone of the body.
- Operating characteristics matched to control algorithms in Mercedes cars.
- Possibility of economical repair while maintaining the original component specification.
For users planning conscious vehicle operation, it is particularly important that safety-related sensors come from the same technological line as other system components. Choosing such a solution reduces the risk of incorrect signal interpretation by control units.
If you are planning a comprehensive repair or upgrade of the safety zone in your Mercedes and need other parts from the same group, such as impact sensors, collision sensors, or measuring elements cooperating with the control system, check the available parts in the Mercedes Lambda Sensors and O2 Sensors category.
To better plan the use of used electronic components in your car, including sensors and control modules, it is worth familiarizing yourself with the guide on selection by identification numbers, hardware and software compatibility, and installation principles: Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?.
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