the on/off control does not start a/c, but if i hit a bump or sudden movement, it will start blowing air, just air. not hot nor cold
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2000 Mercedes-Benz C280 Question: a/c wont start, when finally starts it only blows air, not hot nor cold.
Answer #1G. T. Service Center (4215 Answers) , Stephenville, TX - (254) 638-3236ProfessorG November 29, 2013, 20:33Master
Sounds like you're talking about the blower works when hitting a bump; With no cold air it sounds like your A/C is not working at all. Look at the front of the compressor when A/C is on. The pulleys are turning, but is the front hub of the compressor turning with the speed of the belts/pulley.