{"product_id":"delphi-ss12121-engine-camshaft-position-sensor","title":"Delphi SS12121 Engine Camshaft Position Sensor","description":"\u003ch2\u003eDelphi Camshaft Position Sensor SS12121\u003c\/h2\u003e\u003cp\u003eDelphi SS12121 is an engine camshaft position sensor built for accurate OE-style signal output on select Mercedes-Benz applications. It uses a black housing, oval connector, and 3-pin male terminal design for direct replacement service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine camshaft position sensor for ignition and engine management systems\u003c\/li\u003e\n\u003cli\u003eBlack sensor body with oval connector shape\u003c\/li\u003e\n\u003cli\u003e3-terminal pin connection with male connector and male terminal gender\u003c\/li\u003e\n\u003cli\u003eNo wiring harness included\u003c\/li\u003e\n\u003cli\u003ePackage contents: engine camshaft position sensor and instruction sheet\u003c\/li\u003e\n\u003cli\u003eOE-standard testing and calibration for accurate readings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDelphi SS12121 is engineered for Mercedes-Benz vehicles that rely on precise camshaft position input for engine timing and control. Delphi validates and calibrates its sensors to OE standards, helping deliver consistent signal accuracy for the engine control module. This part cross-references Standard Ignition PC973 for the same application. Common fitment includes Mercedes-Benz S550, E350, and CLS550 applications, along with other V6 and V8 models listed below. If you are replacing a failing Mercedes-Benz camshaft position sensor, Delphi SS12121 provides a direct-fit service part for the specified vehicles.\u003c\/p\u003e\u003ch2\u003eCompatible With\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2013-2020 Mercedes-Benz SL550, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2016-2019 Mercedes-Benz GLE63 AMG S, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2017-2019 Mercedes-Benz GLS550, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2017-2019 Mercedes-Benz GLS63 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2018 Mercedes-Benz CLS550, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2014-2018 Mercedes-Benz CLS63 AMG S, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2018 Mercedes-Benz G63 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2016-2018 Mercedes-Benz GLE350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2017 Mercedes-Benz E550, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2017 Mercedes-Benz Maybach S550, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2017 Mercedes-Benz S550, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2011-2017 Mercedes-Benz S63 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2016 Mercedes-Benz E350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2014-2016 Mercedes-Benz E63 AMG S, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2016 Mercedes-Benz GL550, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2016 Mercedes-Benz GL63 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2016 Mercedes-Benz SLK350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2016 Mercedes-Benz SLK55 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2015 Mercedes-Benz C350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2015 Mercedes-Benz E400, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2015 Mercedes-Benz E63 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2015 Mercedes-Benz GLK350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2015 Mercedes-Benz ML350, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2015 Mercedes-Benz ML63 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2014 Mercedes-Benz C300, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2011-2014 Mercedes-Benz CL550, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2011-2014 Mercedes-Benz CL63 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2014 Mercedes-Benz CLS63 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2014 Mercedes-Benz GL450, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012-2014 Mercedes-Benz ML550, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2012 Mercedes-Benz R350, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues This Sensor Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIntermittent camshaft position signal faults\u003c\/li\u003e\n\u003cli\u003eCheck engine light related to camshaft sensor performance\u003c\/li\u003e\n\u003cli\u003eHard starting or extended crank conditions tied to timing input errors\u003c\/li\u003e\n\u003cli\u003eRough idle or drivability concerns caused by inaccurate camshaft data\u003c\/li\u003e\n\u003cli\u003eEngine control issues on Mercedes-Benz models using the listed OE-style sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify connector shape, terminal count, and vehicle application before installation. The SS12121 uses a 3-pin male connector with an oval shape and does not include a wiring harness. Compare the original sensor to the replacement part and follow the instruction sheet included in the package. For Mercedes-Benz E350, S550, and CLS550 service work, confirm the exact model year and engine configuration against the fitment list before replacing the sensor.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDelphi backs this camshaft position sensor with OE development and product validation methods. Each sensor is tested and calibrated to OE standards to support accurate readings and reduce repeat repairs.\u003c\/p\u003e","brand":"Delphi","offers":[{"title":"Default Title","offer_id":52433649139893,"sku":"BBMX-SS12121","price":38.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DE_SS12121_Fro.jpg?v=1777858557","url":"https:\/\/www.partcatalog.com\/products\/delphi-ss12121-engine-camshaft-position-sensor","provider":"PartCatalog","version":"1.0","type":"link"}