1999 Mercedes Benz ML430 air condition

1999 MERCEDES BENZ ML430
140,000 MILES • V8 • AWD • AUTOMATIC
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KRIKOR
  • MEMBER
  • 3 POSTS
I left the switch on the air circulating on while I turned on the heater now the aircondition does not blow cold air.
Oct 14, 2009 at 12:44 PM
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BIG_JAY
  • ✓Experienced Mechanic
  • 121 POSTS
The recirculate switch will not have anything to do with if it blows hot or cold. It is just resh air compared to recycled air. You may have a sticking blend door if the car was lowing cold before and not now. Can you hear the compressor turn on when u turn the a/c on?
Oct 14, 2009 at 12:49 PM
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KRIKOR
  • MEMBER
  • 3 POSTS
no I use to when I press the air button just the light comes on
Oct 14, 2009 at 12:52 PM
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BIG_JAY
  • ✓Experienced Mechanic
  • 121 POSTS
If you dont hear the compressor turning on then you may have a mre serious problem. I dont know if you really want to start charging your benz but that is gong to be the ext step. I need to know some readings when u hook up guages to the truck.
Oct 14, 2009 at 1:04 PM
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KRIKOR
  • MEMBER
  • 3 POSTS
ok I will let you know
Oct 15, 2009 at 9:53 AM
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