Airbags have been shown to reduce the risk of serious injury from motor vehicle accidents, especially when used with seatbelts. Although some injuries can result from airbag deployment, most are superficial and mild. We treated a 34-year-old man who had a head-on motor vehicle accident. He was restrained by seatbelts and the airbag deployed. His chest and abdomen had no visible wounds or contusions but there was moderate epigastric tenderness. Abdominal CT disclosed a large intrahepatic haematoma in the right lobe of the liver. He recovered uneventfully with conservative treatment. Serious visceral injuries can occur after airbag deployment and may be masked because there is no significant external injury. A high level of suspicion is warranted in symptomatic patients after a high-speed accident.