Toto Wolff has lifted the lid on Mercedes’ search for a successor to Ferrari-bound Lewis Hamilton. Wolff and co. have known since the winter that Hamilton was headed to Maranello for 2025. There are three world champions on the F1 grid, and Hamilton is the most successful of them all. The Briton has won seven titles in all, claiming a record 103 race victories along the way. Finding the right replacement is one of the biggest tasks Wolff has faced, and it comes amid added pressure amid Mercedes’ struggles on track. In an interview with Chinese outlet Xinhua, he’s opened up on the driver hunt. …