Delphi AS10332 Ignition Knock (Detonation) Sensor

Delphi Knock Sensor for Mercedes-Benz Applications

Delphi AS10332 is an ignition knock sensor built for accurate engine signal detection in select Mercedes-Benz vehicles. It is calibrated to OE standards and validated through Delphi’s sensor development process to support consistent readings in demanding engine management systems.

Key Features

• Ignition knock (detonation) sensor for engine timing feedback
• OE-standard testing and calibration for accurate signal output
• Oval connector with 1 connector, 4 terminals, male connector and terminal gender
• Screw mounting design with pin terminal type
• Length: 495
• Package contents: ignition knock (detonation) sensor

Detailed Description

Delphi AS10332 is designed for vehicles that rely on precise knock detection to help the engine control module adjust ignition timing. This sensor supports stable operation by delivering calibrated readings that align with OE expectations. It is a direct-fit style replacement for select Mercedes-Benz models, including Mercedes-Benz E350, C350, and ML350 applications, as well as other listed fitments. This part cross-references Standard Ignition KS421 for the same application.

What It Helps Address

• Knock sensor fault codes
• Erratic ignition timing caused by inaccurate detonation feedback
• Engine pinging or spark knock concerns
• Check engine light conditions related to knock sensor performance
• Driveability issues tied to incorrect engine load or timing input

Installation Notes

Verify connector shape, terminal count, and mounting style before installation. This Delphi knock sensor uses a screw mount, oval connector, and 4 male terminals, so matching the original sensor configuration is important for proper fitment. Confirm vehicle application by year, make, and model before ordering. Fits 2012-2016 Mercedes-Benz E350, N/A; Fits 2012-2015 Mercedes-Benz C350, N/A; Fits 2012-2015 Mercedes-Benz ML350, N/A; Fits 2013-2015 Mercedes-Benz E400, N/A; Fits 2013-2015 Mercedes-Benz GLK350, N/A; Fits 2013-2014 Mercedes-Benz C300, N/A; Fits 2012 Mercedes-Benz R350, N/A; Fits 2012-2016 Mercedes-Benz SLK350, N/A; Fits 2016-2018 Mercedes-Benz GLE350, N/A.

Quality Assurance

Delphi sensors are developed and validated to OE standards to support accurate readings and reduce comebacks. AS10332 is part of Delphi’s sensor portfolio for vehicle applications that require dependable engine signal input.