Facet 9.3001 Ignition Knock (Detonation) Sensor

Brand Facet 9.3001
Fits Mercedes-Benz, Volkswagen, and Saab · 225 vehicles

Knock sensor. Detects engine detonation for precise ignition control.

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Facet 9.3001 Ignition Knock Sensor

Facet 9.3001 is an ignition knock sensor for select Mercedes-Benz, Volkswagen, and Saab applications. It supports accurate detonation detection so the engine control system can respond to abnormal combustion events and maintain proper timing control.

Key Features

  • Ignition knock (detonation) sensor for emission control and engine management systems
  • Direct fit for a wide range of Mercedes-Benz models, including C63 AMG, E350, S550, and ML350
  • Also fits select Volkswagen Beetle, Golf, and Jetta models, plus Saab 900 applications
  • Facet part number 9.3001 for easy identification and ordering
  • Fits 1994-2015 vehicles across multiple makes and models

Detailed Description

This Facet knock sensor is used to monitor engine vibration patterns associated with detonation, helping the ECU adjust ignition strategy when abnormal combustion is detected. It fits 2008-2015 Mercedes-Benz C63 AMG, 2006-2011 Mercedes-Benz E350, 2007-2011 Mercedes-Benz S550, 1999-2001 Volkswagen Jetta, and 1994-1995 Saab 900, along with many other listed applications. If you are replacing a failing knock sensor on a Mercedes-Benz C300, GL550, or SLK350, Facet 9.3001 provides the correct application match for the vehicles shown in the fitment data.

What It Helps Address

  • Knock sensor fault codes
  • Audible pinging or detonation under load
  • Reduced ignition timing control from a failed sensor signal
  • Check engine light related to knock detection
  • Rough engine operation caused by incorrect combustion feedback

Installation Notes and Tips

Verify the engine code and sensor location against the vehicle listing before installation. Inspect the connector, wiring, and mounting surface for damage or corrosion, and clear diagnostic trouble codes after replacement. For fitment-specific searches, this part is commonly selected for Mercedes-Benz C63 AMG, E350, and ML350 applications, as well as Volkswagen Beetle and Golf models listed above.

Quality Assurance

Facet is an established aftermarket brand for engine management and emission control components. Part number 9.3001 is cataloged for the confirmed vehicle applications shown here, including Mercedes-Benz, Volkswagen, and Saab fitments.

This part fits 225 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2015Mercedes-BenzC63 AMGBaseN/A
2015Mercedes-BenzG550BaseN/A
2015Mercedes-BenzSLS AMGGTN/A
2014Mercedes-BenzC63 AMGBaseN/A
2014Mercedes-BenzG550BaseN/A
2014Mercedes-BenzSLS AMGGTN/A
2014Mercedes-BenzSLS AMGBlack SeriesN/A
2013Mercedes-BenzC63 AMGBase6.3LV8N/A
2013Mercedes-BenzG550BaseN/A
2013Mercedes-BenzS400HybridN/A
2013Mercedes-BenzSLS AMGGTN/A
2012Mercedes-BenzC3004Matic SportN/A
2012Mercedes-BenzC3004Matic LuxuryN/A
2012Mercedes-BenzC63 AMGBase6.3LV8N/A
2012Mercedes-BenzC63 AMGBlack SeriesN/A
2012Mercedes-BenzG550BaseN/A
2012Mercedes-BenzGL450BaseN/A
2012Mercedes-BenzGL550BaseN/A
2012Mercedes-BenzGLK350BaseN/A
2012Mercedes-BenzGLK3504MaticN/A
2012Mercedes-BenzS400HybridN/A
2012Mercedes-BenzSL550BaseN/A
2012Mercedes-BenzSL63 AMGBase6.3LV8N/A
2012Mercedes-BenzSLS AMGBaseN/A
2011Mercedes-BenzC300Sport3.0LV6GASN/A
2011Mercedes-BenzC300Sport3.0LV6FLEXN/A
2011Mercedes-BenzC3004Matic SportN/A
2011Mercedes-BenzC300LuxuryN/A
2011Mercedes-BenzC3004Matic LuxuryN/A
2011Mercedes-BenzC350SportN/A
2011Mercedes-BenzC63 AMGBase6.3LV8N/A
2011Mercedes-BenzCLS550BaseN/A
2011Mercedes-BenzCLS63 AMGBase6.3LV8N/A
2011Mercedes-BenzE3504MaticN/A
2011Mercedes-BenzE350Base3.5LV6N/A
2011Mercedes-BenzE550Base5.5LV8N/A
2011Mercedes-BenzE5504MaticN/A
2011Mercedes-BenzE63 AMGBase6.3LV8N/A
2011Mercedes-BenzG550BaseN/A
2011Mercedes-BenzGL450BaseN/A
2011Mercedes-BenzGL550BaseN/A
2011Mercedes-BenzGLK3504MaticN/A
2011Mercedes-BenzGLK350BaseN/A
2011Mercedes-BenzML350BaseN/A
2011Mercedes-BenzML3504MaticN/A
2011Mercedes-BenzML450Hybrid 4MaticN/A
2011Mercedes-BenzML550BaseN/A
2011Mercedes-BenzML63 AMGBase6.3LV8N/A
2011Mercedes-BenzR3504MaticN/A
2011Mercedes-BenzS400HybridN/A
2011Mercedes-BenzS5504MaticN/A
2011Mercedes-BenzS550BaseN/A
2011Mercedes-BenzSL550BaseN/A
2011Mercedes-BenzSL63 AMGBase6.3LV8N/A
2011Mercedes-BenzSLK300BaseN/A
2011Mercedes-BenzSLK350BaseN/A
2011Mercedes-BenzSLS AMGBase6.3LV8N/A
2010Mercedes-BenzC300Sport3.0LV6FLEXN/A
2010Mercedes-BenzC300Sport3.0LV6GASN/A
2010Mercedes-BenzC3004Matic SportN/A
2010Mercedes-BenzC300LuxuryN/A
2010Mercedes-BenzC3004Matic LuxuryN/A
2010Mercedes-BenzC350SportN/A
2010Mercedes-BenzC63 AMGBase6.3LV8N/A
2010Mercedes-BenzCL5504MaticN/A
2010Mercedes-BenzCL63 AMGBase6.3LV8N/A
2010Mercedes-BenzCLS550BaseN/A
2010Mercedes-BenzCLS63 AMGBase6.3LV8N/A
2010Mercedes-BenzE350Base3.5LV6N/A
2010Mercedes-BenzE3504MaticN/A
2010Mercedes-BenzE550Base5.5LV8N/A
2010Mercedes-BenzE5504MaticN/A
2010Mercedes-BenzE63 AMGBase6.3LV8N/A
2010Mercedes-BenzG550BaseN/A
2010Mercedes-BenzGL450BaseN/A
2010Mercedes-BenzGL550BaseN/A
2010Mercedes-BenzGLK3504MaticN/A
2010Mercedes-BenzGLK350BaseN/A
2010Mercedes-BenzML3504MaticN/A
2010Mercedes-BenzML350BaseN/A
2010Mercedes-BenzML450Hybrid 4MaticN/A
2010Mercedes-BenzML550BaseN/A
2010Mercedes-BenzML63 AMGBase6.3LV8N/A
2010Mercedes-BenzR3504MaticN/A
2010Mercedes-BenzS400HybridN/A
2010Mercedes-BenzS5504MaticN/A
2010Mercedes-BenzS550BaseN/A
2010Mercedes-BenzS63 AMGBase6.3LV8N/A
2010Mercedes-BenzSLK300BaseN/A
2010Mercedes-BenzSLK350BaseN/A
2009Mercedes-BenzC300Sport3.0LV6FLEXN/A
2009Mercedes-BenzC300Sport3.0LV6GASN/A
2009Mercedes-BenzC3004Matic SportN/A
2009Mercedes-BenzC300LuxuryN/A
2009Mercedes-BenzC3004Matic LuxuryN/A
2009Mercedes-BenzC350Sport3.5LV6N/A
2009Mercedes-BenzC63 AMGBase6.3LV8N/A
2009Mercedes-BenzCL5504MaticN/A
2009Mercedes-BenzCL63 AMGBase6.3LV8N/A
2009Mercedes-BenzCLK350Base3.5LV6N/A
2009Mercedes-BenzCLK550BaseN/A
2009Mercedes-BenzCLS550BaseN/A
2009Mercedes-BenzCLS63 AMGBase6.3LV8N/A
2009Mercedes-BenzE3504MaticN/A
2009Mercedes-BenzE350BaseN/A
2009Mercedes-BenzE550BaseN/A
2009Mercedes-BenzE5504MaticN/A
2009Mercedes-BenzE63 AMGBase6.3LV8N/A
2009Mercedes-BenzG550BaseN/A
2009Mercedes-BenzGL450Base4.7LV8N/A
2009Mercedes-BenzGL550BaseN/A
2009Mercedes-BenzML3504MaticN/A
2009Mercedes-BenzML350BaseN/A
2009Mercedes-BenzML550BaseN/A
2009Mercedes-BenzML63 AMGBase6.3LV8N/A
2009Mercedes-BenzR350Base3.5LV6N/A
2009Mercedes-BenzR3504MaticN/A
2009Mercedes-BenzS550BaseN/A
2009Mercedes-BenzS5504MaticN/A
2009Mercedes-BenzS63 AMGBase6.3LV8N/A
2009Mercedes-BenzSL550BaseN/A
2009Mercedes-BenzSL63 AMGBase6.3LV8N/A
2009Mercedes-BenzSLK300BaseN/A
2009Mercedes-BenzSLK350Base3.5LV6N/A
2008Mercedes-BenzC300Sport3.0LV6FLEXN/A
2008Mercedes-BenzC300Sport3.0LV6GASN/A
2008Mercedes-BenzC3004Matic SportN/A
2008Mercedes-BenzC3004Matic LuxuryN/A
2008Mercedes-BenzC300LuxuryN/A
2008Mercedes-BenzC350Sport3.5LV6N/A
2008Mercedes-BenzC63 AMGBaseN/A
2008Mercedes-BenzCL550BaseN/A
2008Mercedes-BenzCL63 AMGBase6.3LV8N/A
2008Mercedes-BenzCLK350Base3.5LV6N/A
2008Mercedes-BenzCLK550BaseN/A
2008Mercedes-BenzCLK63 AMGBase6.3LV8N/A
2008Mercedes-BenzCLK63 AMGBlack SeriesN/A
2008Mercedes-BenzCLS550BaseN/A
2008Mercedes-BenzCLS63 AMGBase6.3LV8N/A
2008Mercedes-BenzE350BaseN/A
2008Mercedes-BenzE3504MaticN/A
2008Mercedes-BenzE5504MaticN/A
2008Mercedes-BenzE550BaseN/A
2008Mercedes-BenzE63 AMGBase6.3LV8N/A
2008Mercedes-BenzGL450Base4.7LV8N/A
2008Mercedes-BenzGL550BaseN/A
2008Mercedes-BenzML3504MaticN/A
2008Mercedes-BenzML550BaseN/A
2008Mercedes-BenzML63 AMGBase6.3LV8N/A
2008Mercedes-BenzR3504MaticN/A
2008Mercedes-BenzR350Base3.5LV6N/A
2008Mercedes-BenzS550BaseN/A
2008Mercedes-BenzS5504MaticN/A
2008Mercedes-BenzS63 AMGBaseN/A
2008Mercedes-BenzSL550BaseN/A
2008Mercedes-BenzSLK280BaseN/A
2008Mercedes-BenzSLK350Base3.5LV6N/A
2007Mercedes-BenzC230Sport2.5LV6GASN/A
2007Mercedes-BenzC230Sport2.5LV6FLEXN/A
2007Mercedes-BenzC2804MaticN/A
2007Mercedes-BenzC280LuxuryN/A
2007Mercedes-BenzC350Sport3.5LV6N/A
2007Mercedes-BenzC350LuxuryN/A
2007Mercedes-BenzC3504MaticN/A
2007Mercedes-BenzCL550BaseN/A
2007Mercedes-BenzCLK350Base3.5LV6N/A
2007Mercedes-BenzCLK550BaseN/A
2007Mercedes-BenzCLK63 AMGBaseN/A
2007Mercedes-BenzCLS550BaseN/A
2007Mercedes-BenzCLS63 AMGBase6.3LV8N/A
2007Mercedes-BenzE350BaseN/A
2007Mercedes-BenzE3504MaticN/A
2007Mercedes-BenzE5504MaticN/A
2007Mercedes-BenzE550BaseN/A
2007Mercedes-BenzE63 AMGBase6.3LV8N/A
2007Mercedes-BenzGL450Base4.7LV8N/A
2007Mercedes-BenzML3504MaticN/A
2007Mercedes-BenzML63 AMGBase6.3LV8N/A
2007Mercedes-BenzR3504MaticN/A
2007Mercedes-BenzR63 AMGBaseN/A
2007Mercedes-BenzS550BaseN/A
2007Mercedes-BenzS5504MaticN/A
2007Mercedes-BenzSL550BaseN/A
2007Mercedes-BenzSLK280BaseN/A
2007Mercedes-BenzSLK350Base3.5LV6N/A
2006Mercedes-BenzC230SportN/A
2006Mercedes-BenzC280LuxuryN/A
2006Mercedes-BenzC2804MaticN/A
2006Mercedes-BenzC350Sport3.5LV6N/A
2006Mercedes-BenzC350LuxuryN/A
2006Mercedes-BenzC3504MaticN/A
2006Mercedes-BenzCLK350Base3.5LV6N/A
2006Mercedes-BenzE3504MaticN/A
2006Mercedes-BenzE350BaseN/A
2006Mercedes-BenzML3504MaticN/A
2006Mercedes-BenzR3504MaticN/A
2006Mercedes-BenzSLK280BaseN/A
2006Mercedes-BenzSLK350Base3.5LV6N/A
2005Mercedes-BenzSLK350Base3.5LV6N/A
2001VolkswagenBeetleGLS1.8LL4N/A
2001VolkswagenBeetleGL1.8LL4N/A
2001VolkswagenBeetleGLX1.8LL4N/A
2001VolkswagenBeetleGL2.0LL4N/A
2001VolkswagenGolfGL2.0LL4N/A
2001VolkswagenGolfGLS2.0LL4N/A
2001VolkswagenJettaGL2.0LL4N/A
2001VolkswagenJettaGLS2.0LL4N/A
2000VolkswagenBeetleGLS1.8LL4N/A
2000VolkswagenBeetleGL1.8LL4N/A
2000VolkswagenBeetleGLXN/A
2000VolkswagenGolfGLS2.0LL4N/A
2000VolkswagenGolfGTI GLS2.0LL4N/A
2000VolkswagenGolfGL2.0LL4N/A
2000VolkswagenJettaGL2.0LL4N/A
2000VolkswagenJettaGLS2.0LL4N/A
1999VolkswagenBeetleGL1.8LL4N/A
1999VolkswagenBeetleGLS1.8LL4N/A
1999VolkswagenBeetleGLXN/A
1999VolkswagenGolfGLSN/A
1999VolkswagenGolfGL2.0LL4N/A
1999VolkswagenGolfGTI2.0LL4N/A
1999VolkswagenJettaGLS2.0LL4N/A
1999VolkswagenJettaGL2.0LL4N/A
1995Saab900SN/A
1994Saab900S2.3LL4N/A