Hi to all!

Pls help me
i've had this low power shortage on my 124 200 MB i.e headlights would dim,fan,stereo,Aux fan & horn gets less power when i use my AIRCON. Then i would experience a sudden drop of RPM to 5 1/2 or 6 from 8. Y do i experience this?? any tips or advice
ty.

 

Hey TRL200

I would check the oil in the AC if possible.

Failing that I would bump up the idle speed. Yeah I noticed my RPM's drop with the AC. I have a york and they're hard to turn.