Temperature Sensor Mercedes W164 W211 OM642 Exhaust Gas A0051537928

The Exhaust Gas Temperature Sensor for Mercedes W164 / W211 OM642 is an original exhaust system component designed for precise monitoring of exhaust gas temperature in the OM642 diesel engine. Through accurate measurement, it supports the correct operation of the engine control unit, stable combustion characteristics, and emission control. This technical solution belongs to the Lambda Sensors and O2 Sensors group, specifically designed for Mercedes W164 and W211 models.

Specifications and technical data

• SKU: A0051537928
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0051537928
• Substitutable numbers: A0051537928, A 005 153 79 28, A0081532728, A 008 153 27 28
• Category: Oxygen Sensors

Function of the Exhaust Gas Temperature Sensor in the OM642 Engine

The exhaust gas temperature sensor in the OM642 exhaust system transmits information about the current exhaust gas temperature to the engine control unit. Based on this data, the ECU adjusts the fuel injection, turbocharger operation, and protective strategies, which helps maintain stable engine operating parameters.

In practice, a properly functioning sensor:

• facilitates maintaining appropriate combustion characteristics across a wide range of loads,
• supports emission control and the operation of exhaust gas aftertreatment components,
• reduces the risk of overheating exhaust system components.

Compatibility and Fitment for Mercedes W164 / W211

The presented sensor is intended for use in Mercedes W164 and W211 vehicles with the OM642 engine, where it interfaces with the factory engine control unit and exhaust system. The appropriate fit of the thread, cable length, and electrical connector allows for installation in place of the original component without the need for wiring modifications.

To verify compatibility with a specific equipment version, it is recommended to select the part by OEM number or vehicle VIN. This selection method minimizes the risk of incorrect fitment and facilitates quick replacement in a service environment.

Benefits of Using an Original Mercedes Sensor

Using an original exhaust gas temperature sensor to replace a worn or damaged component restores proper communication with the engine control unit. This can reduce the occurrence of exhaust system-related errors, limp mode, and power loss.

Key benefits include:

• Factory fitment for the electrical and mechanical installation in Mercedes W164 / W211 with the OM642 engine,
• stable cooperation with the engine control system,
• the ability to utilize existing mounting points in the exhaust system.

Product Condition and Service Application

The offered exhaust gas temperature sensor is a used part, allowing for economical repair of the exhaust system while maintaining the original manufacturer's specifications. This type of component is particularly useful in situations where exhaust gas temperature errors, unstable engine operation, or issues with service procedures requiring correct temperature readings arise.

Before installation, a standard check of the electrical system and the thread at the sensor mounting point is recommended to ensure proper thermal and electrical contact with the exhaust system.

More About Used Electronics and Sensors in Vehicles

If you want to better understand how to safely select used sensors and control modules, what to look for when comparing markings, and how to verify compatibility with your car, it's worth checking out the practical guide from Global Parts: Used Automotive Electronics – Second-Hand ECU Modules and Sensors. You'll find tips on VIN selection, interpreting markings, and answers to common installation-related questions.

If you are planning a comprehensive repair or upgrade of the exhaust system area in your Mercedes and need other parts from the same group, such as additional temperature sensors, lambda sensors, or measurement components, check the available parts in the Mercedes Lambda Sensors and O2 Sensors category.