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|  1992 MB 300 SE  A/C Problems 
			
			1992 MB 300 SE  A/C Problems Starts out cool on all vents.... Set on Automatic (Dual System) 75F after a few miles when engine is at operating temp driver side dash and foot vent blows HOT AIR ??? HELP  Ralph have you check the Dual heater valve at driver side behind left side head-lamp unit you may have hot water going to heater core after engine is warm-up or you have vacuum leaks 
				__________________ . Last edited by Ralph-Andree; 07-23-2004 at 12:12 PM. | 
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