Mercedes R171 Steering Column Module Angle Sensor A1715451432

Mercedes R171 Steering Column Module Angle Sensor is a precision steering system component responsible for accurately reading the steering wheel position and interacting with the vehicle's safety systems. Thanks to the factory Mercedes design and the preservation of the original electronic architecture, this steering column module ensures proper communication with the vehicle's bus and stable operation of the steering system. This solution is intended for users who expect a technically correct repair without compromising on compatibility.

Specifications and technical data

• SKU: A1715451432-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1715451432
• Substitutable numbers: A1715451432, A 171 545 14 32
• Category: Steering Columns

Purpose and function in the steering system

The Mercedes R171 Steering Column Module Angle Sensor is responsible for precise measurement of the steering wheel position and transmitting this data to the vehicle's control units. Information from the sensor is used by, among others, electronic stability control systems, power steering, and other comfort and safety functions that require accurate determination of the wheel position relative to the body.

The original Mercedes design allows for maintaining correct signal geometry and proper cooperation with the vehicle's software, which is crucial when replacing components within the steering column. Using a dedicated module reduces the risk of communication errors, warning lights on the dashboard, and adaptation problems after installation.

Construction and integration with the steering column

The module is integrated with the steering angle sensor, which simplifies the installation and subsequent calibration process in the vehicle. This type of solution eliminates the need to match separate components, and the entire unit is prepared to work within the specific architecture of the Mercedes R171 steering column. This makes it possible to maintain the mechanical and electrical consistency of the entire assembly.

The element has been designed as an OEM part, so its geometry, mounting points, and electrical connectors are matched to the factory steering column. This allows for a near plug-and-play installation, while maintaining proper connection rigidity and correct wiring harness routing.

Condition, selection, and service application

The offered module is in used condition, which provides a cost-effective solution while maintaining the manufacturer's original specifications. For workshops and individual users, this means the possibility of performing steering system repairs based on a part from the factory production line, without the need to use replacements with uncertain parameters.

When selecting a module for a specific vehicle, it is recommended to verify compatibility by the OEM part number and interchangeable numbers, as well as to consult service documentation. This approach minimizes the risk of equipment version mismatches, differences in electronic configuration, or adaptation problems after installation.

Benefits of using the original steering column module

• maintaining the factory logic of the steering system and stability control systems,
• proper cooperation with Mercedes electronics thanks to the original signal architecture,
• reducing the risk of diagnostic errors and warning lights after replacement,
• mechanical and electrical consistency with the R171 steering column,
• economical nature of the repair thanks to the use of a used part with OEM specifications.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the steering area in your Mercedes and need other elements from the same group, such as additional modules, housings, or mechanical steering column components, check the available parts in the Mercedes Steering Columns category.

For a better understanding of the role of the steering column module in the entire vehicle system and the typical symptoms of its failure, it is worth reading the expert guide on our blog: Steering system and power steering – how it works and what breaks?. The article discusses the principles of operation, diagnostics, and practical examples of using components such as steering columns and modules.