A/C blows cold or hot but doesn't regulate temperature. I can hear a flapper door flopping around under the dash since this problem started. Any suggestions? Thanks.

Asked by Aug 26, 2012 at 03:45 PM about the 1992 Mercedes-Benz 300-Class 4 Dr 300D Turbodiesel Sedan

Question type: Maintenance & Repair

1 Answer

395

IT sounds like you have a problem with your blend door. Either your going to have to learn to take apart your dash, or take it to a qualified mechanic.

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