Mercedes-Benz Korea sold 80,976 units last year -- the first time an auto importer has sold more than 80,000 in a year here -- while claiming the top spot for the seventh consecutive year among foreign automakers in South Korea. Thomas Klein, who is wrapping up his 2 1/2-year tenure as the CEO of the German carmaker’s Korean office this week, says the auto brand’s success here is linked to Korean customer...