Prenco 4D-1215 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Mercedes-Benz and Smart

Prenco 4D-1215 is an engine crankshaft position sensor built for direct-fit replacement in select Mercedes-Benz and Smart applications. It uses a 2-terminal blade-style design with a single oblong female connector and a compact sensor body diameter of 0.58 in.

Use this Prenco 4D-1215 crankshaft position sensor when servicing drivability and engine timing concerns on compatible Mercedes-Benz E320, ML320, ML55 AMG, E430, E55 AMG, ML430, C280, C43 AMG, E300, and C36 AMG models, as well as the 2005-2007 Smart Fortwo.

• Engine crankshaft position sensor for ignition and engine management systems
• Blade terminal type with 2 terminals
• Single oblong female connector
• Sensor body diameter: 0.58 in.
• Mounting bracket not included
• Cross-references Bosch 0261210141 and Standard Ignition PC456 for the same application

Detailed Product Overview

This crankshaft position sensor monitors crankshaft position and rotational speed so the engine control system can maintain accurate ignition timing and fuel delivery. Prenco 4D-1215 is specified for a range of Mercedes-Benz and Smart vehicles, including 1997-2003 Mercedes-Benz E320, 2000-2003 Mercedes-Benz ML320, 2000-2003 Mercedes-Benz ML55 AMG, 1998-2002 Mercedes-Benz E430, 1999-2002 Mercedes-Benz E55 AMG, 1999-2001 Mercedes-Benz ML430, 1998-2000 Mercedes-Benz C280, 1998-1999 Mercedes-Benz C43 AMG, 1999 Mercedes-Benz E300, 1998-1999 Mercedes-Benz ML320, 1997 Mercedes-Benz C280, 1997 Mercedes-Benz C36 AMG, and 2005-2007 Smart Fortwo. The part number 4D-1215 is also referenced against Bosch 0261210141 and Standard Ignition PC456.

Common Issues This Sensor Can Address

• Hard starting or extended cranking
• Intermittent stalling or sudden engine shutdown
• Check engine light related to crankshaft position signal faults
• Rough running, misfire, or unstable idle caused by incorrect engine speed input
• No-start conditions when the engine control module cannot read crankshaft position

Installation Notes and Tips

Verify connector style, terminal count, and sensor body dimensions before installation. This sensor uses a female oblong connector with 2 locking tabs noted on several Mercedes-Benz applications, so connector indexing should be checked against the original part. Confirm vehicle-specific fitment by year, make, model, and engine application before replacing the sensor.

Quality Assurance

Prenco manufactures this sensor as an OE-style replacement for the listed applications, with fitment and connector specifications aligned to the original equipment requirements for compatible Mercedes-Benz and Smart vehicles.