Fuel Pump Mercedes C118 V177 W247 Tank Fuel Sender Unit A2474703003

The Mercedes C118 V177 W247 Fuel Pump with Fuel Level Sensor is an original part of the fuel system, designed for Mercedes compact class models. It ensures precise fuel delivery to the engine and accurate reading of the fuel level in the tank, which translates to stable engine operation and correct indications on the instrument cluster. This solution is dedicated to users looking for a factory-fitted component rather than universal replacements.

Specifications and technical data

• SKU: A2474703003
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2474703003
• Substitutable numbers: A2474703003, A 247 470 30 03
• Category: Fuel Pumps & Sending Units

Purpose and Function in the Fuel System

The offered fuel pump with float assembly is an element of the Fuel Pumps and Level Sensors category, specifically designed for Mercedes C118, V177, and W247 body styles. This assembly is responsible for both generating the correct fuel pressure in the system and measuring the amount of fuel in the tank, which is transmitted to the vehicle's electronics.

In practice, this means that one assembly handles two key tasks:

• supplying the engine with fuel at the required flow parameters,
• continuously measuring the fuel level and transmitting the signal to the meter.

Thanks to this, the fuel system maintains consistency, and the engine control unit and instrument cluster receive reliable data about the fuel quantity.

Benefits of Using an Original Fuel Pump Assembly

Using an original fuel pump and level sensor assembly in a Mercedes offers a range of practical operational benefits. The component is structurally matched to the tank's geometry, allowing the float to work correctly across the full range of fuel levels. Appropriately selected electrical and hydraulic parameters contribute to stable starting and smooth engine operation under various load conditions.

The most important advantages of this solution include:

• factory fit for the specific vehicle platform,
• correct cooperation with the electrical system and engine control unit,
• consistency of fuel level indications with the actual amount in the tank,
• reduced risk of starting problems and engine stalling due to insufficient fuel supply.

Assembly and Operational Characteristics

The fuel pump with fuel level sensor for Mercedes C118, V177, and W247 is a modular design, installed directly in the fuel tank. The assembly works with factory quick-connect fuel line connectors and the vehicle's original wiring harness, which facilitates installation and reduces the need for system modifications.

When selecting parts, it is crucial to pay attention to:

• compatibility with the specific body type and equipment version,
• proper matching to the vehicle's fuel system,
• consistency of electrical parameters with the factory installation.

A correctly selected fuel pump module allows for maintaining the engine's factory operating characteristics and avoiding onboard diagnostic errors.

Condition and Application in Vehicle Service

The offered component is from the group of original Mercedes components and is intended for use as a service part in vehicles experiencing problems with fuel pressure, difficult starting, or incorrect fuel level indications. Replacing the complete module is often a more predictable solution than repairing individual sub-assemblies, as it restores the cohesive operation of the entire unit.

In terms of diagnostics, it is worth noting symptoms such as:

• irregular engine operation at low fuel levels,
• sudden power losses related to insufficient supply,
• discrepancies between the fuel level indication and the vehicle's actual range.

In such cases, using a complete fuel pump module with a fuel level sensor is a technically justified service solution.

Technical Support, OEM Selection, and Additional Materials

When selecting a fuel pump module for a specific Mercedes model, it is advisable to use manufacturer markings and catalog data to ensure full compatibility with the vehicle's fuel system and electronics. Detailed information on selecting used components, including those interacting with vehicle electronics, can be found in the guide: Used Automotive Electronics – Second-Hand Modules and Sensors in Service Practice.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other parts from the same group, such as in-tank pump modules, float assemblies, or complete fuel supply cartridges, check the available parts in the category Mercedes Fuel Pumps and Level Sensors.