Fuel Pump Mercedes C117 W176 W246 Delivery Sensor Sender Unit A2464701694

Fuel Pump Mercedes C117 W176 W246 Delivery Sensor Sender Unit is an original component from the Fuel pumps and level sensors group, designed for Mercedes C117, W176, and W246 series models. It ensures stable fuel supply to the engine and precise measurement of the fuel level in the tank, which translates into predictable powertrain operation and proper integration with the vehicle's electronics.

Specifications and technical data

• SKU: A2464701694
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2464701694
• Substitutable numbers: A2464701694, A 246 470 16 94
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The described fuel pump is a component mounted inside the fuel tank, responsible for transporting fuel to the fuel rail and working in conjunction with the fuel level sensor. A correctly selected pump from this group of components allows for maintaining stable operating pressure in the system, which is crucial for the operation of injectors, proper fuel dosing, and maintaining combustion parameters at the levels specified by the manufacturer.

Thanks to a design compliant with Mercedes standards, this component works with the factory engine control unit, diagnostic system, and fuel level gauge on the instrument cluster, minimizing the risk of errors and warning messages.

Benefits of using an original fuel tank pump

Using an original fuel tank pump in Mercedes C117, W176, and W246 series vehicles allows for maintaining the factory operating parameters of the fuel system. The main advantages include:

• consistency with factory fuel pressure characteristics and system efficiency,
• proper cooperation with the fuel level sensor and the dashboard gauge,
• reduction of the risk of starting problems and power drops under load,
• easier computer diagnostics thanks to compatibility with service software.

For the user, this means more predictable operation, stable engine performance, and a lower risk of costly failures resulting from improper fuel supply.

Selection by numbers and compatibility

The pump belongs to a group of elements that should be selected based on vehicle data and manufacturer markings. In practice, this means verifying compatibility by part numbers, interchangeable numbers, and the vehicle's VIN. This approach helps avoid problems with mechanical installation, electrical connectors, and operating parameters.

When replacing the fuel pump, it is worth paying attention to the condition of the tank socket, seals, and the electrical harness to ensure system tightness and stable electrical power supply to the pump module after installation.

Condition and service application

The item comes from a Mercedes vehicle and is primarily intended as a spare part for service or repair processes. It can be used both for the typical replacement of a worn-out pump and for work related to diagnosing fuel supply problems, such as starting difficulties, engine stalling, or power drops.

A properly selected and functional fuel pump reduces the risk of injector overload, system aeration, and incorrect fuel level readings, which is important for both driving comfort and operational safety.

Technical support and educational materials

To better understand the role of the tank pump in the entire fuel supply system, it is worth reading a guide describing the construction and diagnostics of the fuel system, including selecting parts by OEM and VIN numbers, the regeneration process, and typical symptoms of wear – this is discussed in detail in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other elements from the same group, such as pump modules, assemblies with level sensors, or pump inserts, check the available parts in the Mercedes fuel pumps and level sensors category.