Mercedes W204 Petrol Fuel Pump Control Unit Module A2215406562

Mercedes W176 W204 C207 C218 W246 Fuel Pump Control Module A0009001803 is a specialized component from the Electronic Control Modules and Controllers group, designed for gasoline fuel supply systems in select Mercedes models. It is responsible for precise control of the fuel pump's operation, ensuring stable system pressure and proper interaction with the vehicle's electronics.

Specifications and technical data

• SKU: A2215406562
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2215406562
• Substitutable numbers: A2215406562, A 221 540 65 62, 5WK11560ABF, A2215406662, A 221 540 66 62
• Fuel type: Petrol
• Category: ECUs & Computer Modules

Purpose and Function of the Fuel Pump Controller

The presented module is dedicated to Mercedes compact and mid-size cars, including the W176, W204, C207, C218, and W246 series, equipped with gasoline engines. As a specialized controller, it is responsible for:

• controlling the fuel pump's speed and load based on engine demand,
• stabilizing fuel pressure under various load conditions,
• interacting with the main engine control unit and safety systems,
• monitoring the parameters of the gasoline fuel supply system.

This ensures that the fuel system operates predictably and consistently, contributing to the efficient operation of the gasoline engine and reducing the risk of power drops or starting problems.

Benefits of Using an Original Mercedes Module

The module belongs to the group of original Mercedes solutions, which translates to perfect fit with the factory electrical system and compatibility with the vehicle's software. In practice, this means:

• maintaining the factory operating characteristics of the fuel pump,
• no need for wiring modifications or additional adapters,
• consistency with computer diagnostics and error reading,
• reduced risk of incorrect interaction with other modules.

For the user, this means more predictable vehicle behavior and easier service diagnostics in the future.

Technical Characteristics in the Context of a Gasoline System

The controller is designed to operate in gasoline-powered systems, which is important for both electrical parameters and control algorithms. In practice:

• the module's operating logic is adapted to the characteristics of gasoline engines,
• fuel delivery control takes into account rapid load changes,
• the system interacts with sensors and safety features typical for gasoline powertrains.

Selecting the correct module for the fuel type is crucial for the stable operation of the entire supply system and for avoiding communication errors between controllers.

Condition, Installation, and Service Application

The component is a used part intended for service applications as a replacement part in Mercedes vehicles where the original controller has been damaged or exhibits unstable operation. Replacing the module is particularly recommended when symptoms such as:

• starting problems with a warm or cold engine,
• sudden engine stalling under load,
• diagnostic errors related to the fuel supply system,
• noticeable power drops during dynamic acceleration.

Using a tested module from the same construction group allows for the restoration of the correct operating characteristics of the fuel system without interfering with the engine's mechanics.

Integration with Other Electronic Modules

As a component of the Electronic Control Modules and Controllers category, the fuel pump controller interacts with many vehicle systems – from the main engine control unit, through safety systems, to comfort systems. In modern Mercedes cars, the correct operation of one module directly impacts the stability of the entire CAN network and the ability for proper diagnostics.

For those interested in a broader context of automotive electronics operation and the use of used parts in advanced control systems, an article describing modules in vehicles of another premium brand may be helpful: how to care for iDrive systems and electronic modules in BMW using used parts.

If you are planning a comprehensive repair or upgrade of the fuel supply control system in your Mercedes and need other components from the same group, such as control modules, auxiliary controllers, or electronic management units, check the available parts in the Mercedes Electronic Control Modules and Controllers category.