Headlight Level Sensor Mercedes R171 Bracket Mounting Bi-Xenon A1713280340

Headlight Level Sensor Mercedes R171 Bracket Mounting Bi-Xenon is a precision lighting system component designed for operation on the front right side of the vehicle. It is responsible for the correct positioning of the light beam relative to the road surface, which improves driving comfort at night and reduces the risk of dazzling other road users. This used, original component allows you to maintain the factory performance parameters of the leveling system in your Mercedes.

Specifications and technical data

• SKU: A1713280340
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1713280340
• Substitutable numbers: A1713280340, A 171 328 03 40
• Location on the vehicle: Front, Right
• Color: Iridium Silver Metallic - 775
• Category: Bumpers & Reinforcements

Purpose and function in the lighting system

The presented Headlight Level Sensor Mercedes R171 Bracket Mounting Bi-Xenon is dedicated to Mercedes R171 series models equipped with bi-xenon headlights. Mounted in the front right part of the suspension, it transmits information about the current position of the body relative to the road to the controller. Based on this, the light module corrects the beam angle, maintaining a stable, regulation-compliant cut-off line.

Such a solution is particularly important in vehicles with dynamically adjustable headlights, where the accuracy of the sensor signal affects lighting efficiency during changes in vehicle load, braking, or acceleration.

Construction, installation, and color

The element consists of a sensor combined with a dedicated mounting bracket, which facilitates its installation at the factory mounting point on the suspension. The construction is prepared for operation in demanding operating conditions – in the immediate vicinity of chassis components, exposed to vibrations and road debris.

The housing and bracket are finished in Iridium Silver Metallic - 775, which allows for visual consistency with the bodywork in the same paint tone. This is especially important in vehicles where aesthetics of the wheel arch area and visible structural elements are maintained.

Benefits of using an original sensor

• maintaining the factory performance characteristics of the bi-xenon headlight leveling system,
• proper operation of automatic headlight height adjustment during changes in vehicle load,
• better visibility at night thanks to stable light beam positioning,
• reducing the risk of dazzling oncoming drivers,
• easier diagnostics and service thanks to the use of a component compliant with Mercedes factory specifications.

A used, original element is a sensible choice for lighting system repairs – it allows for lower service costs while maintaining proper cooperation with the vehicle's electronics.

Body application and vehicle integration

The sensor is designed for installation in the front right suspension zone, where it works in direct connection with the control arm and chassis components. Thanks to this, the light controller receives current data on body pitch in the longitudinal axis, which translates into precise control of the bi-xenon headlights.

Proper placement on the vehicle and the matched mounting bracket minimize the risk of play and incorrect position readings, which is crucial for the stable operation of the entire lighting system.

Condition and service application

The component is offered in used condition, which makes it an attractive solution for maintenance repairs and restoring the functionality of the leveling system after mechanical damage, e.g., after a collision or suspension component replacement. Choosing an original, used sensor with a mounting bracket allows you to maintain compatibility with the vehicle's factory electrical and mechanical installation.

If you are planning a comprehensive repair or modernization of the front bumper area and its mounts in your Mercedes and need other elements from the same group, such as beams, brackets, or additional mounts, check the available parts in the Mercedes Bumpers and reinforcements category.

To better plan your repair budget and consciously choose original recycled parts, it is worth reading our guide: Brake calipers under the microscope: How to effectively reduce repair costs by choosing proven recycled parts.