 Complete the following phrase:  In the years of the DTMs absence, Schneider raced the works Mercedes CLK GTR cars in the FIA GT Championship, winning the title in 1997 after winning six races. In 1998, now with the CLK-LM variant, although winning five races with teammate Mark Webber, he lost the title to teammates Klaus Ludwig and Ricardo Zonta. He was also a Mercedes works driver in the 24 Hours of Le Mans in 1998 and 