mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Intake Air Temperature Sensor, Location/Task/Design/Function|Page 3729 > < Intake Air Temperature Sensor, Location/Task/Design/Function|Page 3727
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NTC resistor 

B17 

Intake air temperature sensor (engine 104, 111, 119) 

B17/5 

Left intake air temperature sensor (engine 120) 

B17/6 

Right intake air temperature sensor (engine 120)

The NTC resistor integrated in the intake air temperature sensor, alters its electrical resistance in line with the intake air temperature. 
NTC means Negative Temperature Coefficient; which means that the electrical resistance drops as the temperature increases. 

Intake Air Temperature Sensor, Location/Task/Design/Function|Page 3729 > < Intake Air Temperature Sensor, Location/Task/Design/Function|Page 3727