Throttle Pedal Mercedes W176 W246 Accelerator Unit Assembly A2463001904

Description

Throttle Pedal Mercedes W176 W246 Accelerator Unit Assembly is an original component from the Pedals, pedal pads and footrests group, designed for precise acceleration control in Mercedes vehicles. This used accelerator pedal with a built-in potentiometer provides a stable signal to the engine control unit, resulting in predictable pedal response and a comfortable driving experience.

Specifications and technical data

• SKU: A2463001904
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2463001904
• Substitutable numbers: A2463001904, A 246 300 19 04
• Category: Pedal Assemblies, Pads & Parts

Purpose and function of the accelerator pedal

The presented accelerator pedal with an integrated potentiometer is a component of the electronic engine control system in W176 and W246 series models. Its task is to convert the driver’s foot movement into an electrical signal, which is sent to the engine control unit to determine power delivery.

Thanks to its “drive-by-wire” design, the pedal eliminates traditional throttle cables, allowing for more precise control, better integration with safety systems, and smoother operation of cruise control and driver assistance systems.

Benefits of using an original Mercedes accelerator pedal

Using an original component from the Pedals, pedal pads and footrests group in a Mercedes vehicle ensures:

• compatibility with the vehicle’s factory electronic system,
• proper pedal operating characteristics matched to engine maps,
• correct cooperation with safety and comfort systems,
• a stable signal from the potentiometer, reducing the risk of errors in the engine control unit.

For the user, this means predictable throttle response, driving comfort, and the maintenance of factory engine performance parameters.

Technical characteristics and vehicle integration

The accelerator pedal with a potentiometer is an integrated module mounted in the driver’s footwell. The mechanical part of the pedal and the position sensor are housed in a single unit, which facilitates installation and maintenance. The component has been designed specifically for the platform used in Mercedes W176 and W246 series, ensuring the correct geometry, travel, and pedal resistance.

The electronic potentiometer generates a signal compliant with the requirements of the engine control unit used in these models, which is crucial for the proper operation of the powertrain. The appropriate signal characteristic is important both during calm city driving and during dynamic acceleration.

Use in service and repairs

This type of component is most often replaced in the event of:

• errors related to the accelerator pedal position sensor,
• uneven response to pedal input,
• engine power limitation by the control unit in limp mode,
• mechanical damage to the pedal due to wear and tear.

Choosing an original Mercedes accelerator pedal allows for restoring the proper operation of the acceleration system without the need for interference with the electrical installation or control unit software. This solution is particularly beneficial for workshops specializing in the Mercedes brand and users who care about maintaining the vehicle’s factory configuration.

Complementary items from the same group

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

For drivers interested in a broader look at the impact of components on engine durability and cooperation with the cooling system during intensive use, the guide article Engine cooling system – overheating, repair and used radiators, which discusses practical aspects of operating modern engines in popular models of various brands, may be helpful.