Fuel Pump Mercedes W204 W207 M274 Petrol Sender Delivery Unit Module A2184700194

Mercedes W204 W207 M274 Fuel Pump Float Fuel Level Sensor is an original gasoline fuel supply system component designed for Mercedes models with the M274 engine. This component from the fuel pumps and level sensors category ensures stable engine power supply and precise fuel level readings on the instrument cluster.

Specifications and technical data

• SKU: A2184700194
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2184700194
• Substitutable numbers: A2184700194, A 218 470 01 94
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Application and Function in the Fuel System

The presented fuel pump with float and level sensor operates within the gasoline fuel supply system, simultaneously responsible for pumping fuel from the tank and transmitting information about its quantity to the vehicle's electronics. The use of a dedicated solution for the M274 engine allows for maintaining proper operating pressure and correct engine performance characteristics across the full range of loads.

Combining the functions of a pump and a level sensor in a single module reduces the number of connections, contributing to reliability and simplifying servicing. A properly selected element from this group minimizes the risk of starting problems, intermittent engine operation, or incorrect fuel level indications on the dashboard.

Benefits of Using an Original Mercedes Fuel Pump

Choosing an original Mercedes solution in the fuel pumps and level sensors category primarily means maintaining the factory operating parameters of the fuel supply system. The module has been designed for the specific fuel tank architecture and the M274 engine's characteristics, which translates to:

• correct gasoline engine supply across the entire RPM range,
• stable idle and under load operation,
• compatibility with the factory engine control unit software,
• reliable fuel level readings, without sudden jumps or drops.

By preserving the original design, installation proceeds in an organized manner, without the need for modifications to the fuel or electrical system. This solution is particularly beneficial for users who expect predictable vehicle behavior after repair.

Characteristics of a Used Part

The offered module is a used part from a dismantled vehicle, intended for users seeking a cost-effective solution while maintaining a manufacturer-standard component. A used element of this class allows for:

• reducing repair costs while preserving the original design,
• maintaining compatibility with the factory fuel tank components,
• easier diagnostics in case of potential faults, due to the known factory specifications.

Before installation, a standard workshop procedure is recommended: checking the tightness of the connectors, the condition of the electrical terminals, and the proper operation of the float throughout its full range of movement. This approach increases confidence in the entire system's operation after replacement.

Selection, Compatibility, and Technical Support

To correctly select this fuel pump with float for a specific Mercedes vehicle, it is advisable to use the vehicle's data and part numbers from the service documentation. Proper identification guarantees compatibility with the tank's geometry, the wiring harness, and the engine control unit's parameters.

If you want to better understand the fuel system's operation, diagnostic principles, and component selection by factory numbers, the article: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair will be helpful. You will find practical tips on operation and common symptoms of fuel system component wear.

Other Mercedes Fuel Pumps and Level Sensors

If you are looking for other Mercedes fuel pumps and level sensors for your model, check out the Mercedes fuel pumps and level sensors available in our store to select a component tailored to your specific engine version and year of manufacture.