Four Seasons 37833 Engine Coolant Temperature Sensor - Front

Coolant Temperature Sensor for Mercedes-Benz

The Four Seasons 37833 coolant temp sensor provides direct engine coolant temperature input for the vehicle’s engine management system. It is a female, round, 2-terminal sensor built to meet or exceed OEM requirements for the listed Mercedes-Benz applications.

Use this engine coolant temperature sensor when you need accurate temperature feedback for Mercedes-Benz C63 AMG, E63 AMG, SL63 AMG, and other compatible AMG and non-AMG models listed below. Four Seasons 37833 is a direct-fit replacement for the original coolant temp sensor on supported vehicles.

Key Features

• Brand: Four Seasons Coolant Temp Sensor
• Part number: 37833
• Engine coolant temperature sensor for cooling-system monitoring
• Female connector with round shape
• 2-terminal design
• Meets or exceeds OEM requirements
• Direct replacement for select Mercedes-Benz models

Product Details

The Four Seasons Coolant Temp Sensor line focuses on replacement sensors that restore accurate coolant temperature reporting to the engine control system. This sensor is used to monitor coolant temperature so the vehicle can manage fuel delivery, idle strategy, and temperature-related engine functions. Part number 37833 is listed for a wide range of Mercedes-Benz applications, including Mercedes-Benz C63 AMG, E63 AMG, and SL63 AMG models, along with several earlier C-Class, E-Class, S-Class, SLK, and SL models.

This part cross-references URO 0005426218 for the same application.

What It Helps Address

• Incorrect coolant temperature readings
• Temperature-related warning lights or fault codes
• Rough idle caused by inaccurate engine temperature input
• Poor fuel control from a failing coolant temp sensor
• Hard starting or drivability issues tied to sensor signal loss

Installation Notes and Fitment

Fits 2014-2017 Mercedes-Benz CLA45 AMG, located in cylinder block.

Fits 2012-2015 Mercedes-Benz C63 AMG, coolant temp sensor.

Fits 2008-2009 Mercedes-Benz C63 AMG, coolant temp sensor.

Fits 2012-2015 Mercedes-Benz SLS AMG, coolant temp sensor.

Fits 2012 Mercedes-Benz SL63 AMG, front, located on engine block.

Fits 2010-2011 Mercedes-Benz C63 AMG, front.

Fits 2011 Mercedes-Benz CLS63 AMG, front.

Fits 2007-2011 Mercedes-Benz E63 AMG, coolant temp sensor.

Fits 2010-2011 Mercedes-Benz ML63 AMG, front.

Fits 2010-2011 Mercedes-Benz SL63 AMG, front.

Fits 2010 Mercedes-Benz CL63 AMG, front.

Fits 2007-2010 Mercedes-Benz CLS63 AMG, coolant temp sensor.

Fits 2008-2010 Mercedes-Benz S63 AMG, coolant temp sensor.

Fits 2008-2009 Mercedes-Benz CL63 AMG, coolant temp sensor.

Fits 2007-2009 Mercedes-Benz CLK63 AMG, coolant temp sensor.

Fits 2007-2009 Mercedes-Benz ML63 AMG, coolant temp sensor.

Fits 2009 Mercedes-Benz SL63 AMG, coolant temp sensor.

Fits 2007 Mercedes-Benz R63 AMG, coolant temp sensor.

Fits 1998-2004 Mercedes-Benz SLK230, coolant temp sensor.

Fits 2002 Mercedes-Benz C230, coolant temp sensor.

Fits 1997-2000 Mercedes-Benz C230, coolant temp sensor.

Fits 2002 Mercedes-Benz C240, coolant temp sensor.

Fits 1998-1999 Mercedes-Benz E300, coolant temp sensor.

Fits 1997-1999 Mercedes-Benz S320, coolant temp sensor.

Fits 1994 Mercedes-Benz S320, coolant temp sensor.

Fits 1997 Mercedes-Benz C280, coolant temp sensor.

Fits 1994 Mercedes-Benz C280, coolant temp sensor.

Fits 1997 Mercedes-Benz C36 AMG, coolant temp sensor.

Fits 1997 Mercedes-Benz SL320, coolant temp sensor.

Fits 1994 Mercedes-Benz SL320, coolant temp sensor.

Quality Assurance

Four Seasons lists this coolant temp sensor as meeting or exceeding OEM requirements for the specified applications. The part number 37833 is supported by interchange references including Mercedes-Benz 0005426218 and related OE-style numbers for the same fitment.