Mercedes W205 W213 W222 W257 Throttle Pedal Accelerator Module A2053000104

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W205 W213 W222 W257 Throttle Pedal Accelerator Module is an original acceleration control system component designed for mid-range and luxury Mercedes models. Thanks to the precise reproduction of the pedal position signal, it ensures stable engine response to throttle input and maintains the factory characteristics of the drivetrain. This is a solution for users who expect consistent performance, compatibility with vehicle electronics, and adherence to manufacturer standards.

Specifications and technical data

• SKU: A2053000104
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2053000104
• Substitutable numbers: A2053000104, A 205 300 01 04
• Category: Pedal Assemblies, Pads & Parts

Function and role of the throttle potentiometer in a Mercedes

The throttle pedal with a potentiometer in modern Mercedes vehicles plays a key role in electronic throttle control. It replaces the traditional throttle cable by generating an electrical signal proportional to the degree of pedal depression. Based on this, the engine control unit determines the fuel and air dosage, which translates into:

• smooth acceleration without jerking,
• repeatable throttle response across the entire RPM range,
• stable cooperation with safety systems (e.g., traction control, ESP),
• maintenance of factory combustion and performance parameters.

A properly functioning throttle potentiometer is particularly important in premium class cars, where precise power delivery and predictable vehicle behavior are expected under all conditions.

Compatibility with Mercedes W205, W213, W222, W257 platforms

The offered pedal has been designed for use in selected Mercedes models based on the W205, W213, W222, and W257 platforms. This ensures a perfect fit in terms of:

• mounting geometry in the driver's footwell,
• operating range and electrical characteristics of the potentiometer,
• electrical connector and communication with the factory engine control unit,
• ergonomics of the driver's foot position.

As a result, this component can be used as a replacement for a damaged pedal in vehicles from the listed series, maintaining the original driving feel and compliance with factory drivetrain settings.

Benefits of using an original Mercedes throttle pedal

Using an original throttle pedal with a potentiometer in a Mercedes brings a number of practical benefits in daily operation:

• preservation of factory calibration – no need for ECU software modifications,
• consistent cooperation with driver assistance systems,
• reduced risk of error codes in the control unit memory related to incorrect pedal signals,
• maintenance of the driving comfort characteristic of the Mercedes brand.

For users who value predictability and comfort, choosing this solution is a way to maintain high drivetrain performance standards without compromise.

Application in diagnostics and drivetrain repairs

This component is particularly useful in situations where symptoms such as delayed throttle response, limp mode, uneven acceleration, or error messages related to the accelerator pedal position appear in the vehicle. In workshop practice, replacing the pedal with a potentiometer is often one of the basic steps when:

• diagnosing electronic throttle control faults,
• resolving issues with incorrect input signals to the engine control unit,
• restoring full functionality of the drivetrain after a failure.

For service centers specializing in the Mercedes brand, this is a component that allows for efficient repair and verification of the entire accelerator pedal signal path.

Installation zone and related components

The throttle pedal with a potentiometer belongs to the Pedals, pedal pads, and footrests group, which are elements responsible for ergonomics and vehicle control within the driver's footwell area. If you are planning a comprehensive repair or upgrade of the acceleration control zone in your Mercedes and need other items from the same group, such as additional pedals, pads, or footrests, check the available parts in the Mercedes Pedals, pedal pads, and footrests category.

For those interested in a broader approach to using pre-owned components in the automotive industry, including premium vehicles, it is worth checking out practical tips on selecting and installing such parts – you will find them in the article Audi on second-hand parts – tuning and repairs without losing quality, which discusses the approach to used parts in the context of quality and cost-effectiveness.