Mercedes W204 W207 W212 Accelerator Throttle Pedal A2223001100

Mercedes W204 W207 W212 Accelerator Throttle Pedal is an original component from the Pedals, pedal pads and footrests group, designed for precise acceleration control in selected Mercedes models. This used OEM component ensures factory fitment, predictable pedal response, and consistency with the vehicle's electronics, which is crucial for safe and comfortable driving.

Specifications and technical data

• SKU: A2223001100-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2223001100
• Substitutable numbers: A2223001100, A 222 300 11 00, A2043000204, A 204 300 02 04, A2043000200, A 204 300 02 00, KZ
• Part type: Accelerator Pedal
• Category: Pedal Assemblies, Pads & Parts

Purpose and function in the powertrain

The accelerator pedal in modern Mercedes vehicles acts as an electronic interface between the driver and the engine control unit. It is responsible for:

• precise mapping of the pedal depression degree to an electrical signal transmitted to the ECU,
• stable torque control across the entire RPM range,
• smooth acceleration without delays or jerking,
• maintaining proper cooperation with assistance systems, such as traction control or cruise control. By using an original accelerator pedal, the consistency of acceleration characteristics with the manufacturer's factory settings is maintained, which is important for both driving dynamics and fuel economy.

Advantages of using an original Mercedes accelerator pedal

Choosing an original accelerator pedal for a Mercedes translates into a number of practical operational benefits:

• Factory fitment – design compliant with the vehicle manufacturer's requirements, with no need for modifications to mounts or wiring.
• Compatibility with electronics – proper cooperation with the factory engine control unit and safety systems.
• Stable operating characteristics – repeatable pedal response, essential for daily driving and maneuvers requiring precision.
• Possibility of using interchangeable part numbers – facilitates part selection based on service documentation and manufacturer catalogs. For users who expect predictable vehicle behavior, using an original component from this group is a technically safe and long-term cost-effective solution.

Installation and operational characteristics

The accelerator pedal from this series has been designed as a component that works with the factory electrical harness and body mounts. In practice, this means:

• maintaining original mounting points in the driver's floor area,
• integration with the existing electrical connector without the need for adaptation,
• possibility of performing the replacement using standard workshop procedures. The used component allows for restoring proper throttle response in the event of faults such as unstable RPM, delayed pedal response, or errors related to the pedal position sensor.

Component condition and use in service practice

The offered accelerator pedal is an aftermarket component, which makes it an attractive solution for repairs where a reasonable balance between cost and maintaining OEM quality is important. This type of part is particularly useful in:

• maintenance repairs in vehicles with higher mileage,
• restoring full powertrain functionality after a pedal sensor failure,
• servicing fleet vehicles, where parameter repeatability and predictable vehicle behavior are important. When planning broader service work, it is worth considering diagnostics of the entire signal path – from the pedal, through the harness, to the engine control unit – to fully utilize the potential of the replaced component. If you are planning a comprehensive repair or upgrade of the floor 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. For informed selection of used components, including acceleration control elements, practical tips regarding the assessment of part condition and the scope of service work may be useful – you will find them in the article Operational faults and costs: how to repair a car using used auto parts?, which discusses, among other things, the selection of electronic subassemblies and planning repairs based on aftermarket parts.