Peter Zwart and family received a shock late Sunday when a white Mercedes-Benz sedan careened through their home on the 2500 block of San Miguel Drive in Walnut Creek, fire officials tell NBC Bay Area.

Fortunately, the Zwarts and the young driver of the vehicle were uninjured. In a stroke of luck, the part of the house the vehicle plowed through was converted recently from a bedroom to a work space.

"They were extremely lucky that nobody was sleeping in what would have been a bedroom," Contra Costa County Fire Department Battalion Chief Dominic Ciotola told the news station.

“Everybody’s fine, just rattled," Zwart told KRON4. Authorities don't believe alcohol to have been a factor in the accident.

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