Los Angeles ? For the second time in five months, a Mercedes-Benz owned by “Two and a Half Men” star Charlie Sheen was stolen and sent off Mulholland Drive near his Santa Monica Mountains home, authorities said Tuesday.

Firefighters said they found the silver Mercedes S600 about 100 feet down a brushy ravine at about 3 a.m.

Nobody was in the car.

The car showed no signs of forced entry, police officer Bruce Borihanh said. He could not confirm television reports that the keys were in the ignition.

However, the car was running and had its lights on, fire Battalion Chief Peter Benesch said.

Someone apparently took the luxury car from Sheen’s Sherman Oaks driveway, where it was parked Monday afternoon, and the actor didn’t know it was missing, police said.

The car was found in the same area off Mulholland Drive where another Mercedes owned by Sheen was found on Feb. 5.

That black, four-door car apparently was stolen from Sheen’s garage in a gated community and pushed or driven over the cliff, where it came to rest upside down, police said. Sheen had left the keys inside.