A 17-year-old boy has died in hospital following a car crash in Ravenhall on Sunday, 27 November.
It is believed a Toyota sedan was travelling west bound on the Western Highway when the driver lost control and crashed into a wall about 8.15pm.
The driver, a St Albans boy, was taken to hospital where he died on 29 November.
Police will prepare a report for the coroner.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential crime report at www.crimestoppersvic.com.au