Mercedes SLK R171 M271 Petrol Fuel Tank Level Sensor Unit A1715420617

The Mercedes SLK R171 M271 Fuel Tank Level Sensor is an original part from the Fuel Pumps and Level Sensors category, designed for precise measurement of gasoline quantity in the tank. It ensures stable operation with the vehicle's electrical system, resulting in clear readings on the instrument cluster and proper functioning of systems dependent on fuel level information.

Specifications and technical data

• SKU: A1715420617
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1715420617
• Substitutable numbers: A1715420617, A 171 542 06 17
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Application and Function in the Fuel System

The presented fuel level sensor is dedicated to Mercedes SLK R171 models with the M271 gasoline engine. Its task is to continuously measure the amount of gasoline in the tank and transmit the signal to the vehicle's odometer and control units. A properly functioning element of this type reduces the risk of sudden vehicle immobilization due to incorrect readings and supports correct diagnostics of the fuel system.

For modern gasoline engines, accurate fuel level information is important not only for driver comfort but also for the operation of engine management systems, which use this data in safety and self-diagnosis strategies.

Construction and Technical Characteristics

The fuel level sensor in this Mercedes model works with the gasoline fuel supply system, using a float and a measuring track adapted to the tank's geometry. The construction is prepared for operation in a gasoline environment, considering resistance to typical additives and operating temperatures. The element is designed as part of the original system, thus maintaining the correct resistance characteristics required by the vehicle's electronics.

Proper electrical and mechanical matching is crucial to avoid phenomena such as a jumping needle, incorrect low fuel warnings, or malfunction of the onboard computer functions related to fuel consumption.

Benefits of Using an Original Sensor

Using an original fuel level sensor in the Mercedes SLK R171 M271 offers a number of practical benefits:

• Proper cooperation with the electrical system – parameter compliance with factory control unit requirements.
• Stable and repeatable gasoline level readings on the instrument cluster.
• Reduced risk of diagnostic errors related to incorrect sensor signals.
• No need for wiring or connector modifications – installation in place of the original part.

This makes the sensor a sensible choice for fuel system repairs when symptoms such as incorrect fuel level readings, low fuel warnings despite a full tank, or onboard diagnostics issues occur.

Condition, Installation, and Service Application

The offered element comes from the group of used original Mercedes parts, meaning it retains its factory construction and mounting geometry. It is intended for direct service application in vehicles where the original sensor has undergone mechanical wear, electrical damage, or corrosion of measuring elements.

In practice, installation involves replacing the module within the fuel tank, while adhering to safety procedures for the gasoline system. A correctly selected sensor allows for the restoration of accurate fuel level readings without the need for intervention in the electrical system or control unit software.

Technical Support and Related Content

If you are looking for other Mercedes Fuel Pumps and Level Sensors for your car, please use our dedicated category: Mercedes Fuel Pumps and Level Sensors. There you will find a wide selection of fuel supply system components tailored to different models of this brand.

When planning a gasoline fuel system repair, it is advisable to consult the guide material discussing diagnostics, selection by part numbers, and operation. Detailed information can be found in the article: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which describes, among other things, the relationships between the fuel level sensor and other system components.