| I investigated the thermostat rating on my 1993 190 2.3 and found that there two versions....
I investigated the thermostat rating on my 1993 190 2.3 and found that there two versions. I replaced the hotter one for the cooler rated version. Now the car runs at 80 degrees C, and only goes higher when at higher elevation and working hard, or in very heavy traffic and until the fan engages. This has not changed the heater functioning, nor the car's performance. I feel happier mostly since I really do not like see a car operate at higher tempertures.
Good luck.
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