engine locked during a drive.no sound from the engine on 2012 Mercedes-Benz GL450

the car has 3045 miles never had an oil change,there is light on the dash but the engine will not turn.no diagnostic codes except on the radio when it happened,it said safe mode activated.a tech checked the starter and said it was ok,but the engine won't turn manually.

by in Dover, DE on April 27, 2013
1 answer
ANSWER by on April 27, 2013
take it to the dealer it should be still under warranty