Standard Ignition ETS191 Exhaust Gas Temperature (EGT) Sensor

Brand Standard Ignition ETS191
Connector Gender Male
Connector Quantity 1
Connector Type Plug in
Terminal Gender Female
Terminal Quantity 2
Fits Mercedes-Benz · 3 vehicles

Plug-in connector. Simple installation with a single male connector.

Exhaust gas temperature sensor. Monitors exhaust heat for accurate emissions control.

Female terminals. Two-terminal design for a secure electrical connection.

Cross-references Standard Ignition ETS191, 0009050332 and EGR532 for the same application. See all 5.

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Exhaust Gas Temperature Sensor for Mercedes-Benz Diesel Applications

The Standard Ignition ETS191 is an exhaust gas temperature (EGT) sensor built for diesel emission control monitoring. It uses a plug-in connector design with a male connector, female terminals, and a 2-terminal layout for direct replacement service.

Compatible with 2015 Mercedes-Benz ML250 and 2016-2017 Mercedes-Benz GLE300d, this EGT sensor is positioned in the catalytic converter for the listed applications. The ETS191 helps restore accurate exhaust temperature feedback for the engine and aftertreatment system.

Key Features

  • Exhaust Gas Temperature (EGT) sensor for emission control systems
  • Plug-in connector style for straightforward electrical connection
  • Male connector with 2 female terminals
  • Direct-fit service part for listed Mercedes-Benz diesel models
  • Standard Ignition ETS191 replacement sensor

Detailed Description

Standard Ignition ETS191 is an emission control sensor used to monitor exhaust temperature in the catalytic converter area. Accurate EGT input supports proper aftertreatment operation and helps the vehicle control system respond to changing exhaust conditions. This part cross-references Bosch (e.g., 0009050332) for the same application.

Fits 2016-2017 Mercedes-Benz GLE300d, N/A. Fits 2015 Mercedes-Benz ML250, N/A. If you are searching for a Mercedes-Benz GLE300d exhaust gas temperature sensor or a Mercedes-Benz ML250 catalytic converter EGT sensor, ETS191 matches the listed applications.

What It Is Used For

  • Replacing a failed exhaust gas temperature sensor
  • Restoring exhaust temperature signal accuracy
  • Addressing emission control warning lights tied to EGT input
  • Supporting catalytic converter and aftertreatment monitoring
  • Correcting drivability issues caused by faulty sensor readings

Installation Notes and Tips

Verify the connector style, terminal layout, and sensor location before installation. For the listed vehicles, the sensor is located in the catalytic converter. Confirm the part number ETS191 against the original sensor and inspect the harness connector for heat damage or corrosion before reconnecting.

Quality Assurance

Standard Ignition supplies replacement electrical and emission control components for service applications. ETS191 is built to match the listed fitment and connector configuration for the specified Mercedes-Benz models.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2017Mercedes-BenzGLE300d2.1LL4N/AEGT Sensor located in Catalytic Converter.
2016Mercedes-BenzGLE300d2.1LL4N/AEGT Sensor located in Catalytic Converter.
2015Mercedes-BenzML2502.1LL4N/AEGT Sensor located in Catalytic Converter.
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — ETS1910009050332EGR532EGTB10015EXT801