In 1993, Volkswagen had also introduced a new convertible based on the Golf III, a new all-wheel drive model (Syncro II) and the first Golf Variant (an estate). The third generation ended in 1997. Including all derivatives, a total of 4.83 million third generation units were produced, or 0.81 million per year. Golf IV. Under the direction of Hartmut Warkuß, then Head of Design at Volkswagen (Group), the clear, precise design emerged for the Golf VI that did justice to the history of the Volkswagen brand more than ever before while setting its course to the future. It is in this era that the Volkswagen design DNA has its origins. With the debut of ESC (in 1998), the car continued to democratise safety. Also in 1998, Volkswagen unveiled the first all-wheel Golf with a Haldex clutch – the Golf 4MOTION. One year later, ESC became a standard feature, initially in Germany. The first direct-injection engine (FSI) and the debut of the standard head airbag (window airbags) followed in 2002.