Mercedes ML W163 W202 Throttle Position Angle Sensor Accelerator A0125423317

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes ML W163 W202 Throttle Position Angle Sensor Accelerator is an engine control system component responsible for the precise reading of the accelerator pedal and throttle position. A properly selected sensor ensures stable engine operation, smooth throttle response, and correct interaction with the vehicle's electronics. By choosing this component for your Mercedes, you are opting for a solution structurally matched to the specific generation of the powertrain.

Specifications and technical data

• SKU: A0125423317-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0125423317
• Substitutable numbers: A0125423317, A 012 542 33 17
• Category: Pedal Assemblies, Pads & Parts

Sensor purpose and function

The offered throttle position angle sensor is designed for use in Mercedes ML W163 and W202 series models, where it is responsible for transmitting information about the current position of the accelerator pedal and throttle to the engine control unit. A properly functioning element of this type contributes to:

• stable idle speed,
• smooth response to accelerator pedal input,
• precise fuel-air mixture dosing,
• reduction of jerking and uneven engine operation.

Thanks to a design consistent with the factory control system specifications, the sensor works with the vehicle's electronics without the need for any wiring modifications.

Category and mounting fitment

The product belongs to the Pedals, pedal pads and footrests group, which means it is directly related to the mechanics and electronics of acceleration control. The sensor is mounted in the location provided by the vehicle manufacturer, maintaining the original geometry and mounting points. This solution facilitates:

• maintaining the factory operating characteristics of the accelerator pedal,
• reducing the time required to replace the component,
• maintaining consistency with other control system components.

Product characteristics and condition

The offered sensor is an aftermarket item in used condition, which allows for an economical replacement while maintaining compliance with Mercedes factory specifications. This type of component is particularly attractive for older vehicle generations, where reasonable maintenance costs are important while ensuring the proper operation of the powertrain.

Due to the preservation of the original design, the sensor can be used as a replacement for the factory-installed element without the need for mechanical or electrical adaptation.

Benefits of using an original sensor in a Mercedes

Choosing a throttle position angle sensor dedicated to the Mercedes ML W163 and W202 allows you to maintain the integrity of the entire engine control system. Key advantages include:

• Compatibility with vehicle electronics – correct interaction with the engine control unit and safety systems.
• Stable operating characteristics – maintaining a predictable response to accelerator pedal input.
• Ability to use existing mounting points and the electrical harness.
• Reasonable operating costs thanks to the use of a used part with factory specifications.

Expanding the control system in your Mercedes

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

Knowledge, service, and used parts

When selecting used components for premium class cars, it is worth using verified sources of information regarding maintenance and operation. If you are interested in how to effectively use dismantled parts in luxury segment cars, take a look at the article Luxury within reach – how to service a legendary Porsche brand using verified used parts, which shows a practical approach to maintaining high-class cars at rational costs.