I have read all of the posts regarding the high end of the thermostat readings, but what about the low end? My (new to me) 1994 E320 wagon seems to be working perfectly. It never gets too hot even in the near 100 degree weather that we had here in South Carolina last week. This morning was my first experience with driving it in 60 degree weather. Everything was fine, but I noticed that it took a long time (30 minuter or so) before the temperature reached 80 degrees on the gauge.

Is this normal or might the thermostat be partially stuck open?

As usual, thanks in advance for the great help and detailed replies in your posts.

Jack Wiles
1994 E320 Wagon - and loving it!