Mercedes SLK R171 Petrol Fuel Filter Fuel Pump Sender Control Unit A1714700690

Mercedes SLK R171 Petrol Fuel Filter Fuel Pump Sender Control Unit is an original petrol supply system component designed for the SLK R171 series models. This used part from the Fuel pumps and level sensors category allows for a technical, cost-effective, and safe repair of the fuel system while maintaining the factory engine performance characteristics. It is a solution for users who expect a proven design and proper compatibility with the vehicle's electronics.

Specifications and technical data

• SKU: A1714700690-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1714700690
• Substitutable numbers: A1714700690, A 171 470 06 90
• Fuel type: Petrol
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The presented fuel pump is a component of the petrol supply system in the Mercedes SLK R171 generation. It is responsible for the stable delivery of fuel from the tank to the fuel rail, maintaining the appropriate operating pressure, which translates into proper engine performance, smooth idling, and predictable throttle response.

Thanks to its factory design, the pump works with the engine control system and the integrated fuel level sensor (depending on the specific vehicle configuration), which facilitates diagnostics and maintains correct readings on the instrument cluster.

Benefits of using an original Mercedes fuel pump

Using an original fuel pump in a Mercedes SLK R171 provides a number of practical benefits:

• maintaining the operating parameters specified by the vehicle manufacturer,
• proper compatibility with the petrol injection system,
• appropriate pressure and performance characteristics across the entire load range,
• reduced risk of starting problems and engine misfiring,
• easier diagnostics during subsequent service inspections.

For users looking for a service solution with predictable behavior, a used pump from the original production line represents a reasonable compromise between cost and durability. Factory fitment to the fuel system reduces the need for modifications and shortens installation time.

Compatibility, identification, and selection by numbers

The selection of a fuel pump for a Mercedes SLK R171 should always be verified based on vehicle data and part numbers. The product has a dedicated OEM number and interchangeable numbers, which makes it easier to match to a specific engine version and model year. In practice, this helps avoid issues with connector incompatibility, hose diameters, or operating parameters.

To select the correct component, it is worth using catalog numbers and data from the manufacturer's system, as well as comparing the design of the component being mounted with the currently installed pump. Precise identification by numbers minimizes the risk of purchasing an incorrect part and speeds up the repair process.

Condition, installation, and operation in the petrol system

The fuel pump is offered as a used part, which in practice means it has been removed from a vehicle and verified for further use. For workshops and individual users, this is a way to reduce repair costs while maintaining the original design of the component.

The element is intended for petrol supply systems, therefore it should not be used in diesel engines or systems with different operating characteristics. During installation, pay attention to:

• proper seating of the module in the fuel tank,
• tightness of fuel line connections,
• correct connection of the electrical harness,
• checking the condition of seals and retaining rings.

After installation, it is recommended to perform a fuel system pressure test and verify engine operation under various load ranges to confirm stable fuel supply.

System expansion and additional technical information

For users who want to better understand how the fuel system works in their Mercedes, the material describing the cooperation of the fuel pump with injectors and the tank will be useful. A detailed discussion of diagnostics, selection by OEM numbers, and regeneration principles can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which organizes the most important service issues.

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