Charlie Sheen's fun times continue: His stolen Mercedes was found overturned down a cliff near his home early today, but there's no evidence anyone was in the car when it went into the ravine, police said. Authorities found the vehicle about 4am after its OnStar system sent out an alert. Sheen called the police to report the theft about the same time. Meanwhile, the 42-year-old is is scheduled to be arraigned Monday on domestic violence charges stemming from the Christmas Day disturbance with his wife. (More Charlie Sheen stories.)