Mercedes C118 W177 W247 Head Light Lamp Level Sensor Front Axle A0009059413

Mercedes C118 W177 W247 Head Light Lamp Level Sensor Front Axle is an original headlight leveling system component designed for installation in the front of the vehicle. It ensures stable cooperation with the headlights, maintaining the correct light beam adjustment depending on the vehicle load. As a result, the lighting system operates predictably, which improves comfort and safety during night driving.

Specifications and technical data

• SKU: A0009059413
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009059413
• Substitutable numbers: A0009059413, A 000 905 94 13
• Location on the vehicle: Front
• Category: Headlight Assemblies

Function and application of the headlight level sensor

The headlight level sensor in Mercedes C118, W177, and W247 models is responsible for real-time measurement of the body position relative to the front axle. Based on this data, the control module adjusts the headlight tilt angle so that the light beam does not dazzle other road users while effectively illuminating the road.

Its placement at the front of the vehicle allows for precise mapping of changes resulting from braking, acceleration, or load changes. This type of solution is particularly important in modern lighting systems, where proper cooperation with the front headlights is crucial for the correct operation of the automatic height adjustment.

Benefits of using an original Mercedes component

Using an original sensor in the headlight leveling system allows for maintaining the factory operating parameters of the system. The component is structurally matched to the suspension geometry and the operating characteristics of the headlights in a given vehicle generation, which minimizes the risk of controller errors and incorrect lamp illumination.

The main advantages of installing an original sensor include:

• consistent cooperation with the factory front headlight controller,
• proper signal scaling throughout the entire suspension travel range,
• maintaining compliance with factory diagnostic procedures,
• reducing the risk of error messages appearing on the instrument cluster.

Thanks to this, the lighting system remains predictable, and the driver can count on stable headlight illumination parameters in various road conditions.

Installation and operational characteristics

The presented sensor is designed for installation in the front part of the vehicle, within the suspension area. Its design is prepared for operation in conditions exposed to moisture, dirt, and variable temperatures, which is typical for components located near the wheels. Proper mounting and adjustment of the sensor have a direct impact on the accuracy of readings; therefore, installation according to the service procedures provided for the given vehicle platform is recommended.

The used component allows for an economical repair of the headlight leveling system while maintaining the manufacturer's original specifications. After correct installation and potential adaptation in the controller, the sensor can restore the full functionality of the front headlight height adjustment system.

Integration with the Front Lights category

The headlight level sensor is an integral part of the system responsible for the operation of Front Lights in Mercedes vehicles, influencing how the headlights react to changes in body position. In case of modernization or repair of the lighting system, it is worth treating it as a component that works with the headlights, control module, and other height adjustment components.

If you are planning a comprehensive repair or modernization of the front lighting area in your Mercedes and need other elements from the same group, such as headlights, control modules, or height adjustment components, check the available parts in the Mercedes Front Lights category.

Practical service tips and additional materials

When diagnosing malfunctions in the automatic headlight adjustment, it is worth paying attention to the condition of the mechanical connections of the sensor to the suspension, the correctness of the electrical harness, and any signs of corrosion on the connectors. A properly functioning sensor should provide a smooth signal change throughout the entire suspension travel range, without interruptions or reading spikes.

If you are interested in broader issues related to purchasing and evaluating the condition of used components, you will find useful information in the guide article How to buy a used car engine and not get scammed – a step-by-step guide, which discusses practical criteria for evaluating secondary market components and may also be helpful when selecting other parts.