Mercedes-Benz E-Class S210 Estate Fuel Level Sensor Sender Unit A2105424617

Mercedes-Benz E-Class S210 Estate Fuel Level Sensor Sender Unit is a precise, original measuring unit designed for the fuel system in S210 generation E-Class estate models. This component is responsible for stable fuel level readings on the instrument cluster, providing the driver with reliable information about the amount of fuel in the tank and ensuring proper communication with the vehicle's electronics.

Specifications and technical data

• SKU: A2105424617
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2105424617
• Substitutable numbers: A2105424617, A 210 542 46 17, EM
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The offered fuel level sender unit belongs to the Fuel pumps and level sensors category and is specifically designed for the electrical architecture and fuel tank shape of the Mercedes-Benz E-Class S210 Estate. It is responsible for continuously measuring the position of the float in the tank and converting it into an electrical signal, which is then sent to the instrument cluster and related control modules.

A properly functioning fuel level sensor helps avoid incorrect readings, sudden needle drops, or malfunctions of the low fuel warning light, which is important for both driving comfort and planning the vehicle's range.

Construction and compatibility with the Mercedes system

The unit was developed by the Mercedes brand with full integration in mind, matching the factory wiring, connectors, and electrical characteristics used in the E-Class S210. This ensures compliance with the installation parameters, and the signal from the sensor is correctly interpreted by the vehicle's electronics.

The original design ensures:

• properly selected resistance characteristics for the fuel gauge,
• correct operating position in the tank,
• stable operation under typical passenger car operating conditions.

Benefits of using an original fuel level sensor

Using a factory sender unit in the Mercedes-Benz E-Class S210 Estate allows for maintaining the consistency of the entire fuel system. Original geometric and electrical fitment reduces the risk of installation issues, leaks, or incorrect readings on the dashboard.

Compared to aftermarket replacements, the original component from the Fuel pumps and level sensors group is designed for a specific body style and tank configuration, which translates into predictable performance across the full fuel level range – from reserve to a full tank.

Characteristics of the used component

The presented fuel level sensor is a used part, sourced from vehicle dismantling. This type of part retains the manufacturer's factory specifications while providing an economical solution for fuel system repairs. For many Mercedes-Benz users, this is a reasonable compromise between cost and maintaining original build quality.

Before installation, it is recommended to perform a standard check of the vehicle's electrical system and fuel system tightness so that the newly installed component can operate under proper working conditions.

Selection support and technical knowledge

When choosing used measuring and electronic components for a car, it is worth paying attention to compliance with the vehicle's factory specifications and manufacturer markings. A detailed discussion of the principles of selection, compatibility verification, and practical aspects of installation can be found in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?

Additionally, if you want to better understand the advantages of using original components from dismantling and their impact on the safety and durability of repairs, read the article Quality assurance and OEM safety – why are used original car parts the best choice for your car?

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 fuel pump modules, additional level sensors, or fuel basket elements, check the available parts in the Mercedes fuel pumps and level sensors category.