MERCEDES-BENZ USA INC. - Norbert Litzkow to vice president of finance, controlling and information technology.
He was a vice president and board member for Mercedes-Benz Espana in Vitoria, Spain.
COBALT GROUP - Howard Gardner to vice president of professional services.
He was senior vice president and general manager of Hart Intercivic of Austin, Texas.
Cobalt Group, of Seattle, provides e-business software and services to the automotive retail market.