Renault has stopped manufacture at its Portuguese factory of Cacia, with the development communicated to unions.
The news follows a raft of closures both by the French producer as well as a host of other OEMs across Europe as the battle against the coronavirus continues.
"Given the advancement of the pandemic in Portugal, Groupe Renault has decided to stop its industrial activities," said a Renault statement.
"The health of its workers has been the priority of the Renault Group since the Covid-19 pandemic began in our country. The prevention measures ordered by the health authorities have been applied since the beginning.
"Given the advancement of the pandemic in Portugal, Groupe Renault has decided to stop its industrial activities.
"The company anticipates commercial activity will be reactivated quickly after the crisis. Once the crisis is over, appropriate measures will be implemented, in agreement with the social representation, enabling us to do what is necessary to meet the significant commercial demand we foresee.
"The management of the company appreciates the sense of responsibility shared by the staff during this complicated situation."