AC not working

Tiny
THOMASHJ2
  • MEMBER
  • 2000 MERCEDES BENZ S430
  • V8
  • 2WD
  • 94,000 MILES
Ac not blowing cold air in my 2000 s430 compressor is running freon level is correct pressures are correct but ac off light stays on
Saturday, July 16th, 2011 AT 5:58 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,833 POSTS
Hello,

It looks like you have 5 fuses running the system, lets start by checking those. Here is a guide that will help you with diagrams (below) on what to do on your car.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check for power and ground for the controller.

Please run some tests and get back to us we are interested to see what it is.

Cheers, Ken
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Thursday, July 13th, 2017 AT 6:46 PM

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