VDO is a German automotive brand that makes automotive electronics, mechatronics for powertrains, engine management systems, and fuel injection systems. VDO stands for Vereinigte DEUTA - OTA
VDO was formed in 1929 with the merger of Vereinigte DEUTA (Deutsche Tachometer-Werke) and OTA Apparate (Offenbacher Tachometer-Werke).
VDO is now a trademark of the Continental Corporation.