This US Customs website might clear some things up...

http://www.customs.ustreas.gov/imp-exp2/informal/car.htm

Shippers....

http://www.carmoves.com/
http://www.dasautoshippers.com/autotrader/autoquote.html

Hope that helps a bit

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99 W210 E220 cdi sedan automatic (248.000 km) 210.006