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Date registered: Mar 2007
Vehicle: 99 SLK230 Kompressor, 5 Speed Manual
Location: Wild Blue Yonder
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Quoted: 1 Post(s)
Unless it has been converted, this should be a York type compressor. They are cheap and plentiful on the rebuild market.
You need to start, however, by removing the belt and turning the pulleys by hand to see if they are free. Then turn the front portion by hand. If the pulleys turn easily and smoothly, but the front portion does not, then it is internal in the compressor. You will need to replace the compressor and probably flush the system thoroughly and replace the filter/drier. In the meantime, however, if the pulleys turn freely, simply disconnect the single wire to the compressor clutch. If it is not engaged, the belt should turn smoothly.
Hope this helps.