Chain cam engine, so no belt to worry about. Water-cooled turbo, so the car heater works earlier in winter and she doesn’t have to worry about simmering the turbo when she stops. Video demonstration of Grand Scenic with this engine at:
www.honestjohn.co.uk/road_tests/index.htm?id=387
It’s early days for faults. But I think she picked by far the best Scenic and Megane engine. Much nicer than the diesels.