E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

A/C Clutch Not Engaging

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Old Jun 21, 2024 | 08:39 AM
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1998 E320 4-matic, 1980 450SLC
A/C Clutch Not Engaging

Hello all. My air conditioner suddenly stopped working. I ran the diagnostic and cleared all codes. I have checked all related fuses and they are ok. What could prevent the clutch from engaging other than a fuse?
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Old Jun 21, 2024 | 10:42 AM
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1998 E320 4-matic, 1980 450SLC
Is there a power wire going to the clutch where I would check for voltage? I do not see anything obvious. I probably need to remove the bottom shroud. Where would the control module be if this was the case?

Originally Posted by Plutoe
when you turn the system on you should see 12 volts at the clutch, if not then you have a faulty control module, if you do and no cool air then you have a faulty clutch which means you change the compressor
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Old Jun 21, 2024 | 01:01 PM
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1998 E320 4-matic, 1980 450SLC
Low of refrigerant. Clutch works fine. Thanks
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Old Jun 21, 2024 | 01:18 PM
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1998 E320 4-matic, 1980 450SLC
I was under the car because that was the only way I could see the wire and where it attaches. I was verifying that the wire was in good condition.
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Old Jun 22, 2024 | 03:38 AM
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320e
Could be as simple as low gas. Check that next.
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