HomeEmission Control > SensorsGlobal Parts 1811946 Ignition Knock (Detonation) Sensor
Part #: 1811946

Global Parts 1811946 Ignition Knock (Detonation) Sensor

⚙️ 74 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, CLS550, CLS63 AMG S, E550, E63 AMG, E63 AMG S, G63 AMG, GL550, GL63 AMG, ML63 AMG, S500L, S550, S63 AMG, SL550, SL63 AMG, SLK55 AMG, CL550, CL63 AMG, CLS63 AMG, GL450, and ML550
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Overview of Global Parts Ignition Knock Sensor 1811946

The Global Parts Ignition Knock (Detonation) Sensor 1811946 is designed for precise detection of engine knock in select Mercedes-Benz models. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

  • Terminal Type: Blade
  • Connector Quantity: 1
  • Connector Shape: Oval
  • Terminal Quantity: 4
  • Connector Gender: Female
  • Terminal Gender: Male
  • Mounting Hardware: Not included

Detailed Product Description

This ignition knock sensor from Global Parts features a blade terminal type with four male terminals and a single oval-shaped female connector. The design ensures reliable electrical connections and accurate knock detection. It is engineered specifically for compatibility with a range of Mercedes-Benz vehicles including the CL63 AMG, CLS63 AMG, E63 AMG, G63 AMG, GL63 AMG, ML63 AMG, S63 AMG, SL63 AMG, and SLK55 AMG models, among others. The part number 1811946 corresponds to this sensor, ensuring proper fitment and function within the emission control system.

Compatible Mercedes-Benz Models

This ignition knock sensor is compatible with the following Mercedes-Benz models:

  • CL63 AMG, CL550
  • CLS63 AMG, CLS63 AMG S, CLS550
  • E63 AMG, E63 AMG S, E550
  • G63 AMG, GL63 AMG, GL450, GL550
  • ML63 AMG, ML550
  • S63 AMG, S500L, S550
  • SL63 AMG, SL550
  • SLK55 AMG

Common Issues Addressed by This Sensor

  • Engine knocking or pinging during acceleration
  • Reduced engine performance or power loss
  • Check engine light triggered by detonation sensor faults
  • Poor fuel efficiency due to incorrect ignition timing
  • Erratic engine behavior under load

Installation Notes and Tips

Installation of the Global Parts ignition knock sensor 1811946 requires careful handling of the blade terminals and connector to ensure secure electrical contact. Note that mounting hardware is not included, so reusing existing hardware or sourcing appropriate fasteners is necessary. It is recommended to disconnect the battery before installation and verify sensor alignment and torque specifications according to the vehicle service manual for the specific Mercedes-Benz model.

Quality Assurance and Warranty

Global Parts manufactures this ignition knock sensor to meet OEM standards for durability and performance. While mounting hardware is not included, the sensor itself undergoes quality checks to ensure reliable operation within the emission control system. Please refer to Global Parts warranty terms for coverage details related to part number 1811946.

This part fits 74 vehicles. Search below:

YearMakeModelSubmodelDrive TypeLitersCylindersPositionNotes
2020Mercedes-BenzSL550Base4.7LV8N/A
2019Mercedes-BenzGLS5504MaticAWD4.7LV8N/A
2019Mercedes-BenzSL550Base4.7LV8N/A
2018Mercedes-BenzCLS5504Matic4.7LV8N/A
2018Mercedes-BenzGLS5504MaticAWD4.7LV8N/A
2018Mercedes-BenzSL550Base4.7LV8N/A
2017Mercedes-BenzCLS5504Matic4.7LV8N/A
2017Mercedes-BenzE550Base4.7LV8N/A
2017Mercedes-BenzGLS5504MaticAWD4.7LV8N/A
2017Mercedes-BenzMaybach S5504Matic4.7LV8N/A
2017Mercedes-BenzS550Base4.7LV8N/A
2017Mercedes-BenzSL550Base4.7LV8N/A
2016Mercedes-BenzCLS550Base4.7LV8N/A
2016Mercedes-BenzE5504Matic4.7LV8N/A
2016Mercedes-BenzGL5504MaticAWD4.7LV8N/A
2016Mercedes-BenzS550Base4.7LV8N/A
2016Mercedes-BenzSL550Base4.7LV8N/A
2015Mercedes-BenzCLS5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzCLS63 AMG S5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzE5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzE63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzE63 AMG S5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzG63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzGL5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzGL63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzML63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzS500L4.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzS5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzS63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzSL5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzSL63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015Mercedes-BenzSLK55 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzCL5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzCL63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzCLS5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzCLS63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzCLS63 AMG S5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzE5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzE63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzE63 AMG S5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzG63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzGL4504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzGL5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzGL63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzML5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzML63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzS5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzS63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzSL5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzSL63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014Mercedes-BenzSLK55 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzCL5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzCL63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzCLS5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzCLS63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzE5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzE63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzG63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzGL4504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzGL5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzGL63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzML5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzML63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzS5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzS63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzSL5504.7LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzSL63 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013Mercedes-BenzSLK55 AMG5.5LV8N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012Mercedes-BenzCL5504Matic4.7LV8N/A
2012Mercedes-BenzCLS5504Matic4.7LV8N/A
2012Mercedes-BenzE5504Matic4.7LV8N/A
2012Mercedes-BenzML550BaseAWD4.7LV8N/A
2012Mercedes-BenzS550Base4.7LV8N/A
2011Mercedes-BenzCL5504Matic4.7LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.