mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Cabin Temperature Sensor / Switch|Specifications|Page 655 > < Cabin Temperature Sensor / Switch|Specifications|Page 653
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Cabin Temperature Sensor / Switch: Testing and Inspection

In-Car Temperature Sensor

Dome lamp 
-

Pull out sideways towards the left.

2-pole coupling (1) and ventilation hose (2) 
-

Pull off.

In-car temperature sensor (B 10/4) 
-

Press off.

Install 
-

In the reverse sequence.

Automatic climate control 
-

Test.

Test Data:

Sensor temperature in °C, Resistance in kohms
+ 10 
-

18.2 to 21.5

+ 15 
-

15.3 to 17.2

+20 
-

11.5 to 13.5

+ 25 
-

9.5 to 10.5

+30 
-

7.5 to 8.5

+35 
-

6.0 to 7.0

+40 
-

4.5 to 5.5

+45 
-

3.5 to 4.5

Commercially Available Tester:

Multimeter e.g. SUN, DMM 5

Cabin Temperature Sensor / Switch|Specifications|Page 655 > < Cabin Temperature Sensor / Switch|Specifications|Page 653