Fuel Pump Mercedes W203 C209 M272 Delivery Sensor Sender Unit A2094700294

Fuel Pump Mercedes W203 C209 M272 Delivery Sensor Sender Unit is an original fuel system component designed for Mercedes C117, W176, and W246 models. Thanks to its factory design, it ensures stable engine fuel supply and proper integration with fuel level sensors in the tank. This is a solution for users who expect consistency with factory specifications and want to maintain the correct operating parameters of the fuel system.

Specifications and technical data

• SKU: A2094700294
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2094700294
• Substitutable numbers: A2094700294, A 209 470 02 94
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The presented fuel pump operates directly inside the fuel tank, responsible for transporting fuel to the supply system at the appropriate operating pressure. It is part of the Fuel pumps and level sensors group, meaning it works with components monitoring fuel levels and the electronics controlling engine operation. Using an original component helps reduce the risk of pressure drops, starting issues, and unstable engine performance.

Compatibility with Mercedes models

The pump has been designed for Mercedes C117, W176, and W246 platforms, which translates into proper geometric fitment to the fuel tank and correct connection to the factory wiring harness. This means:

• maintaining the original fuel flow path in the tank,
• proper seating in the fuel pump basket,
• compatible electrical and fuel connectors,
• consistency with factory pump control parameters.

As a result, installation does not require any modifications to the system or the use of adapters, and the fuel system retains the characteristics intended by the manufacturer.

Performance characteristics and benefits of use

The original fuel pump for Mercedes ensures stable engine supply across the full load range, from cold starts to long-distance highway driving. Using a dedicated solution translates into:

• consistency with factory engine management – proper cooperation with ECU modules and sensors,
• appropriate fuel flow under various loads,
• reduced risk of system aeration and pressure drops,
• maintaining correct operation of fuel level sensors in the tank.

For workshops and users, this means easier diagnostics, predictable vehicle behavior, and a reduction in service returns related to unstable fuel system operation.

Component condition and installation aspects

The fuel pump comes from the used parts group, which allows for economical repair while maintaining the manufacturer's original design. This type of component is particularly attractive for vehicles in intensive use, where a reasonable cost is important while maintaining compliance with factory specifications. Installation should be carried out by a workshop experienced in working with fuel systems, observing safety procedures related to fuel and system venting after replacement.

Selection by part numbers and technical support

To ensure full compatibility with a specific engine version and vehicle model year, it is recommended to select the pump based on manufacturer part numbers or vehicle data. This helps avoid issues with the fitment of the pump basket, connectors, and operating characteristics. In case of doubt, it is worth consulting a mechanic or the store's technical department by providing the vehicle's identification data.

For those who want to better understand how the fuel system works, the diagnostic process, and regeneration principles, the following article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. It contains practical tips regarding the operation and selection of fuel system components.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other components from the same group, such as in-tank pumps, supply modules, or fuel level sensors, check the available parts in the Mercedes fuel pumps and level sensors category.