Mercedes Benz Workshop Service and Repair Manuals > C 230K (202.024) L4-2.3L SC (111.975) (2001) > Powertrain Management | Sensors and Switches - Powertrain Management | Sensors and Switches - Computers and Control Systems | Coolant Temperature Sensor/Switch (For Computer) | Component Information | Description and Operation | Coolant Temperature Sensor, Location/Task/Design/Function

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Illustration shows 4-pin plug connection
B11/4

Coolant temperature sensor (further designations e.g. B11/3)

Detecting the coolant temperature and supplying information to the engine control module

Coolant Temperature Sensor, Design

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