The man was hit on Sandy Lane just before 3.30pm on Tuesday.
West Midlands Ambulance Service sent two ambulances, two paramedic officers, a critical care paramedic and the Midlands Air Ambulance from Cosford with a MERIT trauma doctor and critical care paramedic on board.
A spokeswoman said: "Crews arrived to find the pedestrian, a man, in cardiac arrest following a collision with a car.
"Ambulance staff quickly commenced advanced life support on scene and managed to restart the man’s heart. The man was conveyed by land ambulance on blue lights and sirens to Queen Elizabeth Hospital Birmingham in a critical condition."
The road was closed off near the junction of Beeches Road while enquiries into the circumstances of the incident continued.
A 19-year-old man, who was uninjured, has been arrested on suspicion of causing serious injury by dangerous driving and driving while under the influence of drink or drugs, West Midlands Police said.