I recharged my a/c on my s250 and added leak detector,put system under vaccum for an hour and held. 3 weeks later, a/c didn't work anymore and I found the hose from the compressor to the condensor was leaking bad the other hose fitting showed a slight leak, I replaced the first hose and was removing the second hose to replace the o-rings. I couldn't get the second hose off and wound up shearing the adater fitting off in the compressor...... had to mount the remainder of the fitting in the vice to remove the hose from the broken fitting and all the threads on the hose stripped, went to the dealer to get another hose and adapter fitting and the dealer can't get the fitting seperately, says i have to get a whole new compressor, I know this is a special adapter for use with a/c hose/o-rings. is there anywhere I can find this fitting? it is a straight adapter fitting with a metal sealing washer.