Standard Ignition FPS81 Fuel Pressure Sensor - At Fuel Rail

Fuel Pressure Sensor for Mercedes-Benz C250 and SLK250

Standard Ignition FPS81 is an OE replacement fuel pressure sensor for gas systems with a screw-in mounting style and a direct plug-in electrical connection. It is built for the fuel rail location on select 2012-2015 Mercedes-Benz C250 and SLK250 applications.

Key Features

• OE replacement fuel pressure sensor for gas fuel systems
• Screw-in attachment method for fuel rail mounting
• 1 rectangular female connector with 3 male blade terminals
• Black and silver finish
• Direct replacement for select Mercedes-Benz fuel rail applications
• Standard Ignition FPS81 part number for catalog matching

Product Details

The Standard Ignition FPS81 fuel pressure sensor monitors fuel rail pressure and sends the signal needed for proper engine fuel management. This sensor is specified for on-fuel-rail mounting and uses a single plug-in rectangular connector, making it a direct OE-style replacement for 2012-2015 Mercedes-Benz C250 and 2012-2015 Mercedes-Benz SLK250 models. If you are replacing a faulty Mercedes-Benz C250 fuel pressure sensor or a SLK250 fuel rail sensor, FPS81 provides the correct connector style, terminal layout, and mounting method for the listed applications.

This part cross-references Standard Ignition FPS581 for the same application.

Common Issues This Part Can Address

• Fuel pressure signal errors from a worn sensor
• Check engine light related to fuel rail pressure readings
• Hard starting caused by incorrect fuel pressure data
• Rough idle or drivability concerns tied to fuel delivery feedback
• Fuel system performance issues on the rail-mounted sensor circuit

Installation Notes and Tips

Install FPS81 at the fuel rail using the screw-in attachment method and verify the connector locks securely to the rectangular plug-in housing. Confirm the vehicle uses a gas system and match the terminal count, connector gender, and mounting location before installation. For Mercedes-Benz C250 and Mercedes-Benz SLK250 fuel pressure sensor replacement, inspect the connector and fuel rail sealing surfaces before final assembly.

Quality Assurance

Standard Ignition supplies OE replacement electrical and engine management components, and FPS81 is built to match the listed factory-style fitment and connection requirements for the specified vehicles.