2004 Mercedes Benz S350 C Button Red Light Always On Which Indicates That

2004 MERCEDES BENZ S350
200,000 MILES
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My A/C button red light is always on which indicates that A/C is not working but blower is working. It does not get cold, only air comes out. Please advise. Thanks a lot.
Jan 1, 2013 at 5:42 PM
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ASEMASTER6371
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start with freon check. have the pressures checked

Roy
Jan 1, 2013 at 6:23 PM
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