Mercedes W204 W207 W212 W222 Throttle Pedal Accelerator Pedal Unit A2043000204

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W204 W207 W212 W222 Throttle Pedal Accelerator Pedal Unit is an original component from the Pedals, pedal pads and footrests group, designed for precise acceleration control in Mercedes vehicles. The integrated electronic potentiometer ensures stable signal transmission to the engine control system, resulting in predictable vehicle response and driving comfort.

Specifications and technical data

• SKU: A2043000204
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2043000204
• Substitutable numbers: A2043000204, A 204 300 02 04
• Category: Pedal Assemblies, Pads & Parts

Purpose and technical function

The presented throttle pedal with potentiometer is a component of the drive control system, responsible for converting the driver's foot movement into an electrical signal for the engine control unit. In Mercedes W204, W207, W212, and W222 series vehicles, this solution replaces traditional throttle cables, ensuring:

• smooth torque delivery,
• consistent cooperation with the vehicle's electronic systems,
• repeatable operating characteristics across the entire pedal travel range.

Construction and performance characteristics

The design of the throttle pedal has been developed by the manufacturer with ergonomics and safety in mind. The angle of inclination and mechanical resistance have been selected so that the driver can precisely control acceleration, even during long drives. The integrated potentiometer works with the factory engine control unit, which facilitates maintaining stable operating parameters of the powertrain.

The component belongs to the Pedals, pedal pads and footrests group, making it structurally matched to the factory mounting in the corresponding Mercedes models. This ensures proper positioning relative to other pedals and consistency with the original interior ergonomics.

Benefits of using an original Mercedes component

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

• Compatibility with factory electronics – proper cooperation with the engine control system and driver assistance systems.
• Stable signal characteristics – predictable response to pedal depression, which facilitates smooth acceleration.
• Mounting fitment – maintaining the original pedal position in relation to the brake and clutch (or brake in automatic versions).
• Consistency with the factory interior design – preserving the cockpit character typical of Mercedes models from the given series.

Condition of the component and practical application

The offered throttle pedal with potentiometer is a used part, which allows for an economical replacement of the component while maintaining the original manufacturer's specifications. This solution is particularly beneficial when servicing vehicles used intensively, where both functionality and reasonable repair costs are important.

Replacing the throttle pedal is recommended, among other things, in situations where unstable reactions to pedal depression, position signal errors, or uneven acceleration occur. Using an original component from the same construction group allows for restoring the correct operation of the drive control system without interfering with other subassemblies.

A sensible choice of a used part and additional information

A well-selected, used throttle pedal with potentiometer can be an effective alternative to a new component, especially in vehicles used on a daily basis. To better understand how to consciously choose components from the secondary market and what to pay attention to when purchasing, it is worth reading the guide: Used parts – Your guide to the best offers in the automotive store.

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