Roughly how much is a fair estimate for replacing a/c compressor? on 2000 Mercedes-Benz S430

Problem just occured. Worked fine during a short 20-mile drive. After sitting for three hours, blew hot air. No sign of coolant leak. Sat overnight, blew hot air in morning. Have no technical stuff.

Asked by for the 2000 Mercedes-Benz S430
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I would look on repair pal for your zip code. Will vary on part of country. Might just need charged $100-$200 est.
Thanks. I'll do it. Pretty sure compressor is shot, though.