I picked up a new A200 AMG line premium in November 2019. Didn't realise that it had a collision detection system until Sunday morning when it told me that a collision had occurred the day before, and where to look for the damage. Sure enough there it was. We were visiting our son for the weekend and parked outside his house. I probably wouldn't have know about the damage until later this week when I next washed the car. Long story short, the neighbour opposite had reversed out his drive and hit my car. I only asked him if he had seen anything, then admitted it was him, shame he didn't tell me at the time...So now going through his insurance for the repair. Without the system I would have gone home and probably been a few hundred pounds poorer getting it repaired.