Question about 2002 Mercedes-Benz C-Class
AC compressor not turning on blows hot air, gas pressure level ok, fuse ok but ac does not start.
Hi, your AC pump needs attention. have it checked. thats the problem.
Posted on Mar 19, 2014
Have you set the temp control to cold? dont mean to state the obvious but could be as easy as that reply if not
Posted on Mar 18, 2014
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Posted on Jan 02, 2017
SOURCE: AC Problems
If there is no gas in the system it as you pointed out the low pressure switch will shut the power to the clutch in the compressor off. your pressureswitch should be located near the dryer at the front of your Benz. You could try and bridge it to see if the compressor engages, how ever DO NOT try and keep it engaged without gas in the system or you may find yourself having to change the compressor again.
Posted on Aug 18, 2008
You could need a recharge of freon or your A/C pump is bad. You can go to your local garage and have them recharge with an aftermaket freon kit or the dealer and have them put it on an a/c machine and really diagnose the problem
Posted on May 28, 2009
SOURCE: ac not working on 2004 s430
If you have the hood up stand outside while someone activates your air off and on and see if the clutch on the compressor goes on and off while they activate the switch. If that isn't it the it could be improperly charged system or your climate control door that opens and closes for hot or air is not working properly and only stays on heat.
Posted on Jul 30, 2009
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