Air Conditioner not working

Tiny
LISAAMARIEE1
  • MEMBER
  • 2005 MERCEDES BENZ C230
  • 80,500 MILES
Even before our heat wave started, and although inconsistant, the air conditioning in my C230 Kompressor seems to be delayed when turned on. Once I turn it on, the light goes on but the air is not coming out. Possibly up to a minute later, or a shorter time, the air will start working and cool as it normally does. I have not done anything with it yet, but I was thinking a re-charge kit may be in order? I am not sure.
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Tuesday, June 25th, 2013 AT 10:57 AM

6 Replies

Tiny
SEANGRANT00
  • EXPERT
It could be you need to add Freon added to the system. They sell kits at most auto parts stores that are relatively easy to use. Hopes this helps!

THis guide will help you see whats going on to fix the problem

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Sean
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Thursday, June 27th, 2013 AT 8:27 PM
Tiny
DENNIS CELESTE
  • MEMBER
  • 2005 MERCEDES BENZ C230
  • 4 CYL
  • 2WD
  • MANUAL
  • 84,000 MILES
I have had bad experience with my c230 compressor since I bought this car. I actually stop using it as it might create more headache as it is expensive to take it to the dealership. My question is the air conditioning it blows air but it is not cold. I don't want to take it to the dealership as they always charge me so much.
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Monday, December 21st, 2020 AT 10:56 AM (Merged)
Tiny
GFIMOTORCARS
  • EXPERT
The problem you describe can be related to many issues but here are some ways to check AC components that may lead you to an answer. First check your AC control panel. If you see AC button or Recirculation button flashing this is an indication of no Freon in the AC system, i.E. A leak in the AC system. These can be tricky to find if you don't know what to look for. Check around fittings on your AC lines for oil residue as your AC system contains PAG oil and during a leak can leave residue behind. If you have no display flashing on the AC control panel I would next move to the AC Compressor under the hood. Once you identify the AC compressor look to the front of the Compressor pully, this is your AC clutch. When the car is running and the AC is off, this clutch will not move with the rest of the pully. When the AC is turned on the clutch assembly will move with the pully. If the clutch is not moving when the AC is turned on this is an indication of Compressor Clutch failure and will require compressor replacement. AC work should only be done at a facility that has appropriate recovery and recharge equipment as Freon is very hazardous to the environment. Also keep in mind if you are doing AC work yourself, once you open up the system (disconnect any AC lines) you need to also change the Receiver Dryer.
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Monday, December 21st, 2020 AT 10:56 AM (Merged)
Tiny
RES075FT
  • MEMBER
  • 1998 MERCEDES BENZ C230
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
When I start my car the A/C works for sometimes hours. At any given time the compressor shuts down and wont restart until I shut the engine off and restart the engine. Sometimes the compressor will not start at all. I took the car to a A/C rep and he thinks it might be electrical. But what?
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Monday, December 21st, 2020 AT 10:57 AM (Merged)
Tiny
JACK42
  • EXPERT
I have forwarded your question to our M/B tech. He will be with you shortly, thank you for your patience
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Monday, December 21st, 2020 AT 10:57 AM (Merged)
Tiny
GFIMOTORCARS
  • EXPERT
You may have a short in your compressor clutch that could be grounding out causing the compressor clutch to not engage. When your AC is not operating look under the hood at the AC compressor. Note that when the front of the compressor pulley spins the AC clutch is engaged, this is normal operation with the AC on, when it is off the front of the compressor pulley does not spin with the rest of the pulley. When your AC is not working is the compressor clutch engaged?
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Monday, December 21st, 2020 AT 10:57 AM (Merged)

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