Mercedes W140 Throttle Accelerator Pedal Sensor A0115428717

Mercedes W140 Throttle Accelerator Pedal Sensor is a precision component of the accelerator pedal control system, responsible for accurately mapping the pedal position into an electrical signal. This ensures that the engine control unit receives stable information regarding the requested load, which translates into predictable drivetrain response. By choosing this component from the Pedals, pedal pads and footrests group, you are opting for a solution designed specifically for the requirements of luxury-class Mercedes models.

Specifications and technical data

• SKU: A0115428717
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0115428717
• Substitutable numbers: A0115428717, A 011 542 87 17
• Category: Pedal Assemblies, Pads & Parts

The role of the throttle sensor in the Mercedes W140 control system

The Mercedes W140 Throttle Accelerator Pedal Sensor acts as an accelerator pedal position sensor, converting the mechanical movement of the driver's foot into an electrical signal interpreted by the engine electronics. A properly functioning component ensures smooth acceleration, stable speed maintenance, and predictable response to pedal input. In the event of wear or damage, symptoms such as jerking, delayed throttle response, or the engine entering limp mode may occur, which is why a functional sensor is crucial for driving comfort.

Design and fitment within the pedal assembly

The presented component is designed to work with the pedal assembly in the Mercedes W140, where it is mounted in the immediate vicinity of the accelerator pedal or integrated into its mechanism. The design specified by the vehicle manufacturer ensures proper rotation axis guidance and stable mounting, which minimizes play and the risk of signal interference. As a result, the control system operates in a repeatable manner, and the pedal position is read with high accuracy throughout the entire range of travel.

Benefits of using an original Mercedes component

Using a component sourced from the Mercedes brand ensures the preservation of the factory operating characteristics of the accelerator pedal system. Original geometry and electrical parameters allow for avoiding compatibility issues that may occur with replacements having different characteristics. This is particularly important in high-end vehicles, where the drivetrain interacts with advanced comfort and safety systems that require consistent data on the throttle pedal position.

Condition, verification, and service application

The offered throttle sensor is a secondary market component, which allows for an economical repair of the control system while maintaining proper functionality. This type of component is often chosen in situations where the existing sensor shows unstable readings or intermittent operation, and diagnostics indicate the need for replacement. Replacing the sensor within the pedal assembly is a standard service procedure that, after proper installation and potential adaptation in the control unit, restores the vehicle's predictable response to accelerator pedal input.

Expanding support for the pedal control zone in Mercedes

If you are planning a comprehensive repair or upgrade of the pedal control zone in your Mercedes and need other elements from the same group, such as additional pedals, pads, or footrests, check out the available parts in the Mercedes pedals, pedal pads and footrests category.

To better assess when choosing a secondary market component is justified and how to approach the selection of used electronic elements in a car, it is worth reading the practical advice in the article Second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which discusses key aspects of safety and cost-effectiveness of such solutions.