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Old 05-01-2001, 06:20 PM
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JimF JimF is offline
'94 S500: only 793 sold!
 
Join Date: Mar 2001
Location: San Diego, CA
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Different on

Barrie,

Just to confirm that temp chart was for my S500's ECT sensor. You are correct in that temperature measurement for your car (W124 with a 103 engine) is different.

The S class cars have two coolant sensors; an ECT (B11/2) and CT sensor (B10/8). The latter sensor controls the A/C and the auxillary fans. The ECT sensor's output is what is read on the temperature gauge in the instrument cluster for S cars.

The chart values was for the ECT sensor which is completely different for the CT sensor. A bit confusing!
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