1990 Mercedes Benz 300sd No heat

1990 MERCEDES BENZ 300SD
224,000 MILES • 6 CYL • 2WD • AUTOMATIC
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MEDIC630
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I have a 300e . Gives no heat. Fan and blower work. Any idea what to check?
Oct 12, 2008 at 8:08 AM
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DR LOOT
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have you checked the heater control valve, following your heater hoses from the engine make sure they are hot going in to the firewall and make sure it is hot coming out,
Mar 7, 2009 at 12:28 PM