Standard Ignition ETS198 Exhaust Gas Temperature (EGT) Sensor - Rear

Exhaust Gas Temperature Sensor for Mercedes-Benz Diesel Applications

Standard Ignition ETS198 is an exhaust gas temperature (EGT) sensor built for diesel emission control systems that monitor exhaust heat before and after aftertreatment components. It uses a male oval plug-in connector with two female blade terminals for a direct electrical connection in the original sensor location.

Compatible With 2012-2014 Mercedes-Benz ML350, rear, and 2015-2016 Mercedes-Benz GL350, before the particulate filter. Standard Ignition ETS198 is a direct-fit replacement for vehicles that need accurate exhaust temperature feedback for emission system operation.

Key Features

• Exhaust Gas Temperature (EGT) sensor for emission control systems
• Male connector with oval plug-in design
• 2-terminal female blade connection
• Direct replacement for Mercedes-Benz diesel applications
• Cross-reference part numbers include 0009057104 and EGR539 for the same application
• Standard Ignition ETS198 reference for catalog and service lookup

Detailed Description

This Standard Ignition ETS198 sensor is used to measure exhaust gas temperature so the vehicle’s control system can monitor thermal conditions in the exhaust stream. On the Mercedes-Benz ML350 and GL350 diesel applications listed here, the sensor location is specific to the rear position on 2012-2014 ML350 models and before the particulate filter on 2015-2016 GL350 models. The connector design, terminal style, and sensor placement support OE-style fitment for service replacement.

For buyers searching for a Mercedes-Benz GL350 EGT sensor, Mercedes-Benz ML350 exhaust gas temperature sensor, or Standard Ignition ETS198 replacement, this part provides the correct connector format and application-specific fitment details needed for a proper match.

Common Issues This Part Addresses

• Fault codes related to exhaust temperature sensor performance
• Incorrect exhaust temperature readings in the emission control system
• Diesel aftertreatment monitoring concerns tied to sensor failure
• Check engine light conditions associated with EGT sensor faults
• Service replacement for a damaged or worn exhaust gas temperature sensor

Installation Notes and Tips

Verify the sensor position before installation. This part fits 2012-2014 Mercedes-Benz ML350, rear, and 2015-2016 Mercedes-Benz GL350, before the particulate filter. Match the oval plug-in connector and 2-blade terminal layout to the original sensor before connecting. Confirm the exhaust location and routing so the replacement sensor is installed in the correct position for the vehicle.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. ETS198 is cataloged as an emission control sensor replacement with application-specific fitment details for Mercedes-Benz diesel models.