Standard Ignition PC1057 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Mercedes-Benz and INFINITI

Standard Ignition PC1057 is an engine crankshaft position sensor built for direct-fit replacement on a wide range of Mercedes-Benz and INFINITI applications. It uses an oval plug-in connector with 3 male blade terminals for a straightforward electrical connection.

Compatible With Mercedes-Benz CLA250, C300, Metris, Sprinter 1500, A220, A35 AMG, CLA35 AMG, GLA250, GLB250, CLA45 AMG, E300, GLA45 AMG, GLC300, GLC350e, SLC300, C350e, and SLK300, plus INFINITI Q50, QX30, and Q60 applications.

• Engine crankshaft position sensor for ignition and engine speed signal input
• Oval connector shape with plug-in design
• 3-terminal male blade connection
• Direct replacement format for listed Mercedes-Benz and INFINITI vehicles
• Standard Ignition PC1057 cross-references to OE-style applications

Fitment Details

• Fits 2014-2025 Mercedes-Benz CLA250, N/A
• Fits 2016-2023 Mercedes-Benz C300, N/A
• Fits 2016-2023 Mercedes-Benz Metris, N/A
• Fits 2019-2023 Mercedes-Benz Sprinter 1500, N/A
• Fits 2019-2020 Mercedes-Benz A220, N/A
• Fits 2020 Mercedes-Benz A35 AMG, N/A
• Fits 2020 Mercedes-Benz CLA35 AMG, N/A
• Fits 2015-2020 Mercedes-Benz GLA250, N/A
• Fits 2020 Mercedes-Benz GLB250, N/A
• Fits 2016-2019 INFINITI Q50, N/A
• Fits 2017-2019 INFINITI QX30, N/A
• Fits 2014-2019 Mercedes-Benz CLA45 AMG, N/A
• Fits 2017-2019 Mercedes-Benz E300, N/A
• Fits 2016-2019 Mercedes-Benz GLA45 AMG, N/A
• Fits 2016-2019 Mercedes-Benz GLC300, N/A
• Fits 2018-2019 Mercedes-Benz GLC350e, N/A
• Fits 2017-2019 Mercedes-Benz SLC300, N/A
• Fits 2017-2018 INFINITI Q60, N/A
• Fits 2016-2018 Mercedes-Benz C350e, N/A
• Fits 2016 Mercedes-Benz SLK300, N/A

What This Sensor Helps Address

• Crankshaft position signal loss or intermittent signal faults
• Hard starting or extended cranking
• Engine stalling or sudden shutdown concerns
• Misfire-related drivability issues tied to crank signal input
• Check engine light conditions related to crankshaft sensor performance

Installation Notes

Verify connector shape, terminal count, and vehicle application before installation. Inspect the harness connector for corrosion, bent terminals, or damaged locking features, and confirm the sensor mounting area is clean before fitting the replacement part. Standard Ignition PC1057 should be matched to the exact vehicle listing for proper application coverage.

Quality Assurance

Standard Ignition is a recognized aftermarket source for ignition and engine management components. This part cross-references OE-style applications for Mercedes-Benz and INFINITI platforms, including 2373191C1N and 2709050043.