VDO is a German brand of Continental Automotive which makes automotive electronics and mechatronics for powertrains, engine management systems and fuel injection systems. A full range of Tachograph, Data Management, and Telematics products are produced. VDO has also supplied components for pleasure boats, yachts and sailing boats since 1958. In 2018 the marine business was separated into VDO Marine, offering products made by Swiss manufacture Veratron AG.