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1990 Mercedes-Benz 300SL Question: Heater won't work

 

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380SL owner, Fallbrook, CA, January 03, 2010, 01:09
 Rookie

this car is actually a 1984 380SL . It only blows cold air and no warm or hot air at all, even in the heat position. I wonder if the diverter door is stuck.....or..... any help out there? Just purchased this vehicle and ordered the Owner's Manual.

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  • Answer #1

    January 03, 2010, 20:28
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     Master

    I would check the radiator hoses to make sure that they are really hot, if not, it is most likely your thermostat.

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