Had the same thing happen to me a few years ago at 2 AM in the morning. I only drove about a half a mile until I could pull over but the compressor pulley shaft was starting to glow red already..... Not fun.

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2012 Mercedes ML350 Bluetec 102K (hers)
2005 Corvette 55K (fun car)
2002 VW Jetta TDI 238K (mine)
1998 Volvo S70 T5 Turbo 211K (kids)
1994 Ford F150 4WD 246K (firewood hauler)
1983 Mercedes 300D 384K (diesel commuter)