FILE PHOTO: The Mercedes-Benz logo is seen before the company's annual news conference in Stuttgart, Germany, February 4, 2016. REUTERS/Michaela Rehle

MOSCOW (Reuters) - Russia's technical safety watchdog Rosstandart said on Monday it had approved a plan of action with regards to a voluntary recall of 1,426 Mercedes-Benz DAIGn.DE Sprinter Classic cars sold in October-December of 2017.