Mercedes W140 Throttle Accelerator Pedal Sensor A0115428717

Mercedes W140 Throttle Accelerator Pedal Sensor is a precision component controlling the accelerator pedal position, crucial for the proper operation of the electronic engine management system. This item from the Pedals, pedal pads and footrests group provides a stable signal to the ECU, which translates into predictable throttle response and driving comfort. This solution is dedicated to users who want to restore the correct operating characteristics of the accelerator pedal in their Mercedes W140.

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

Function and role of the throttle sensor in the Mercedes W140

The throttle sensor in the Mercedes W140 is responsible for converting the mechanical movement of the accelerator pedal into an electrical signal sent to the engine control unit. A properly functioning component allows for:

• smooth torque delivery throughout the entire pedal travel range,
• stable idle speed and acceleration,
• precise mapping of the actual pedal position in control systems.

Thanks to this, the driver receives a predictable throttle response, and the drivetrain operates under conditions consistent with the manufacturer's specifications.

Benefits of using an original Mercedes component

Choosing a throttle sensor designed for the Mercedes W140 from the Mercedes line means maintaining the factory characteristics of the acceleration system. The original design ensures:

• electrical compatibility with the vehicle's wiring,
• correct output signal range for the engine control unit,
• proper mechanical fitment to the pedal assembly.

Such a solution minimizes the risk of ECU errors, uneven engine operation, or delayed response to pressing the accelerator pedal. This is particularly important in high-end vehicles, where comfort and predictable car behavior are paramount.

Application in the pedal system and assembly aspects

The component belongs to the Pedals, pedal pads and footrests group, which means it works directly with the accelerator pedal mechanism. During replacement, it is worth paying attention to:

• proper seating on the mounts to avoid mechanical play,
• accurate connection of the electrical plug,
• potential need for adaptation in the ECU (in accordance with service procedures for the specific vehicle).

Careful installation allows you to fully utilize the component's capabilities and restore proper operation of the acceleration system without additional interference.

Condition characteristics and selection by part numbers

The offered throttle sensor is in used condition, which in practice means it has been removed from a vehicle and verified for suitability for further use. This type of part is an attractive cost-effective alternative to new components while maintaining the original manufacturer's specifications.

The selection of the correct component for a specific version of the Mercedes W140 should be based on the OEM part number and available interchangeable numbers. This helps avoid electrical and mechanical compatibility issues and ensures proper cooperation with the existing engine management system.

Expansion of upgrades within the pedal system

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

Technical support and selection of parts by numbers

When working with components related to engine electronics, such as the throttle sensor, it is crucial to match them correctly by numbers and ensure compliance with service documentation. In case of doubts regarding the interpretation of markings, diagnostic methods, or replacement procedures, technical materials describing the principles of selecting parts by OEM numbers and practical operational tips can be helpful. In this context, it is worth reading the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses, among other things, the importance of correct component identification and their impact on the engine's performance.

Summary

Mercedes W140 Throttle Accelerator Pedal Sensor is a dedicated component from the accelerator pedal control group, allowing for the restoration of the correct drivetrain response to pedal movement. Proper selection by numbers and careful installation ensure consistency with the vehicle's factory configuration, and the used nature of the part enables economical repair without sacrificing the original manufacturer's design.