Mercedes W414 Fuel Pump Sender Delivery Feed Unit 1.9 M166 Petrol A4144700994

The Mercedes W414 2006 Fuel Delivery Module is a precisely engineered component of the fuel supply system, responsible for stable fuel delivery to the engine. Thanks to its design developed by Mercedes, it ensures proper fuel pressure and flow, which translates to smooth engine operation and correct interaction with the vehicle's electronics. This solution is dedicated to W414 series models from the 2006 model year, allowing for a technically correct replacement of a worn component.

Specifications and technical data

• SKU: A4144700994
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4144700994
• Substitutable numbers: A4144700994, A 414 470 09 94
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Function and Role of the Fuel Delivery Module

The fuel delivery module in the Mercedes W414 is responsible for transporting fuel from the tank to the injection system, maintaining the parameters required by the engine control unit. A correctly selected component allows for:

• stable engine supply across the full range of loads,
• proper cold and warm starting,
• smooth idling and acceleration,
• consistent operation with the factory control unit software.

By using a solution developed by the Mercedes brand, the module integrates with the factory fuel and electrical systems without the need for modifications to wiring harnesses or the fuel tank.

Part Selection by OEM and Compatibility

For fuel system components, matching by OEM number and body generation is crucial. The module designed for Mercedes W414 from 2006 ensures compliance with factory parameters, which is important for both durability and operational safety. When selecting, pay attention to:

• compatibility with the specific W414 body version,
• the type of injection system used,
• the fuel system configuration in the specific vehicle.

To facilitate a correct choice, it is advisable to consult the advice provided in the article Safe Online Purchase of Used Car Parts – A Step-by-Step Guide, which describes practical methods for verifying compatibility by OEM number and VIN.

Benefits of Using an Original Mercedes Solution

Using a fuel delivery module dedicated to the Mercedes W414 2006 allows for maintaining the consistency of the entire powertrain. The main advantages include:

• factory fit to the fuel tank and accessories,
• correct interaction with fuel level sensors and the engine control unit,
• maintaining the performance characteristics intended by the manufacturer,
• reducing the risk of starting problems and power drops resulting from incorrect fuel pressure.

For workshops and individual users, this means fewer returns to the service center and more predictable vehicle behavior in daily operation.

Application in Vehicle Service and Modernization

The fuel delivery module for the Mercedes W414 2006 is suitable for both standard fuel system repairs and comprehensive vehicle maintenance when several fuel-related components need replacement. Replacing a worn module with a correctly selected component allows for:

• restoring correct engine operating parameters after a fuel pump failure,
• reducing the risk of air entering the system and starting problems,
• maintaining stable fuel pressure values required by the injection system.

For professional workshops, this is a component that can be included in the procedure for comprehensive fuel system diagnostics and repair, ensuring consistency with other Mercedes W414 components.

Summary

The Mercedes W414 2006 Fuel Delivery Module (Feed Unit) is a specialized component of the fuel supply system, designed to maintain factory engine operating parameters. A correctly selected module supports smooth engine operation, proper starting, and predictable responses to load, which is important for both driving comfort and the durability of the entire powertrain.