FRANKFURT (Reuters) -- Martin Winterkorn, who quit as Volkswagen Group CEO last month, will step down from his remaining posts at the company, German media said.
The resignations are expected in the coming days as soon as a few remaining formalities have been dealt with, the Sueddeutsche Zeitung newspaper and TV stations NDR and WDR reported, without citing their sources.
Winterkorn resigned as VW Group CEO on Sept. 23, taking responsibility for the automaker's rigging of diesel emissions tests, although he said he was not aware of any wrongdoing on his part. He retained a number of key positions within the VW Group.
Winterkorn is chief executive of Porsche SE, the family-owned holding company that controls a majority stake in Volkswagen, as well as chairman of VW's luxury brand Audi, trucks division Scania and the group's newly-created Truck & Bus holding.
Labor leaders have been putting pressure on Winterkorn to resign from his remaining posts within the group, one person familiar with the matter told Reuters.
Winterkorn did not attend a supervisory board meeting at Audi last week, where deputy board head Berthold Huber stood in for him as chairman, the person said.
A person close to the German state of Lower Saxony, VW's second-biggest shareholder, said he could not imagine that Winterkorn could stay in his various positions at Volkswagen.
Porsche SE said it was unaware of any decisions on the matter.
Volkswagen declined to comment. VW has so far said it was up to the supervisory boards of the companies in question to take any decision about Winterkorn's future involvement.
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