Thread: Engine Temp
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Old 05-20-2003, 01:46 AM
sixto's Avatar
sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 18,745
Not normal. Sounds like you're due for some cooling system service including a new thermostat. Check the archives on thoughts of MB brand coolant vs other brands of coolant.

To qualify, getting to 100 occassionally is not a problem. Coupled with staying below 80 when you've been driving a while suggests that the thermostat is not closing fully. Not a stretch to suggest that it's also not opening fully.

91 300SE
87 300SDL
83 300SD
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