Formula 1 driver Timo Glock has left Marussia with immediate effect and by mutual consent, the Russian team reports.
The team added that a replacement would be announced in due course. The team's other driver is British newcomer Max Chilton.
Team principal John Booth in a statement: "The ongoing challenges facing the industry mean that we have had to take steps to secure our long-term future. Tough economic conditions prevail and the commercial landscape is difficult for everyone, Formula 1 teams included."
"We would like to thank Timo for working with us to reach this decision, especially as he had a valid contract, and also for the contribution he has made to our team."
The team added that a replacement would be announced in due course. The team's other driver is British newcomer Max Chilton.
Team principal John Booth in a statement: "The ongoing challenges facing the industry mean that we have had to take steps to secure our long-term future. Tough economic conditions prevail and the commercial landscape is difficult for everyone, Formula 1 teams included."
"We would like to thank Timo for working with us to reach this decision, especially as he had a valid contract, and also for the contribution he has made to our team."