Had two Bosch replacement glow plugs, so after about 2 hours of playing around I had them swapped out. Car starts immediately after turning key now, no smoke and smooth idle. Looks like that issue is taken care of. Thanks for all the tips folks.

Glenn

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2012 Mercedes ML350 Bluetec 91K (hers)
2005 Corvette 55K (fun car)
2002 VW Jetta TDI 231K (mine)
1998 Volvo S70 T5 Turbo 196K (kids)
1994 Ford F150 4WD 249K (firewood hauler)
1983 Mercedes 300D 376K (diesel commuter)