"Due to his current pretrial detention, he is unable to fulfill his duties as a member of the board of directors and wants to focus on his defense," said Stadler's statement.
Volkswagen had previously stated that Stadler would be considered innocent until proven otherwise. Audi appealed to its commercial director to run the company after Stadler's detention.
The German automaker has admitted to handling millions of diesel engines to cheat the emissions tests.
The diesel cars of Volkswagen and its subsidiary Audi broke the principle of air quality with software that gave the impression that the emissions were less toxic than they were. Actually.
The scandal dropped the course of its action and broke the confidence of consumers and regulators in diesel technology. The episode has already cost Volkswagen more than $ 30 billion in recalls, criminal penalties and regulations.
In another announcement on Tuesday, Volkswagen announced that it would offer incentives to German customers wishing to exchange older diesel cars for cleaner models.
At a press conference in April, Diess acknowledged that Volkswagen had "lost a lot of confidence" and that it would take years to restore public confidence in the builder.