Hvac on W140

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Llewelyn

Active Member
Joined
Sep 10, 2010
Messages
179
Car
S210 320CDi D6
Odd issues with the dual zone climate control on my 97 W140. Temperatures all over the place, set it at 23 for example and sometimes it blows cold, sometimes not except the middle vent switched to cold is always cold. Got the sensor readings from it (not showing errors as far as I could see) with it about 20 external and set to 23C:
1:36!
2:47!
3:10
4:22
5:4
7:12 at idle
8:55
12:3.2 in sun, 4.0 in shade, 4.3 covered

My guess is temperature sensors, any clues where to find 'em and which is iffy?
 
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