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Here are 2 photos. One photo shows the car idling for 10 minutes with a/c on. Don't pay attention to the ambient temp at 136f, the actual temp was about 113 I believe. The heat from the asphalt and engine bay causes the ambient sensor to give a false reading after the car has sat idling for a while. The other photo shows temp at stop and go traffic with a/c on. 90C is usually where its at when I'm not stuck sitting longer than 5 mins. At highway speeds with the ac on I'm usually about 85C with ambient temp being 110 or so. With ac off at high speed it drops to about 82c or 80c. Stop and go traffic with ac off I'm about 85C and idling with ac off it takes about 20+ minutes to hit 105c for the high speed fans to kick on, but the aux water pump turns on at about 91c so that could account for the prolonging of the temp reaching 105.
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1990 190E 3.0L
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