Rubuta ci gaba don wannan sakin layi - Kling ya taimaka wajen bunkasa dawowar Mercedes zuwa gasar kasa da kasa a farkon shekarun 1950, kuma nasararsa a gasar Carrera Panamericana ta hanyar 1952, ta tuka Mercedes-Benz 300SL na gwaji a lokacin shine ma'anar tabbatar da gudanarwar Daimler-Benz cewa wasan motsa jiki yana da matsayi a nan gaba na Mercedes. An kira shi zuwa ga tawagar Mercedes Grand Prix da aka farfado a shekarar 1954 ya gama kasa da dakika daya a bayan almara Juan Manuel Fangio a karon farko na Formula One, inda ya dauki matsayi na biyu a gasar 1954 ta Faransa
a cikin sauri Reims-Gueux kewaye. Wannan farawar ba ta daɗe ba, kuma tare da isowar Stirling Moss a Mercedes a 1955 Kling ya ragu sosai zuwa direba na uku. Koyaya, daga Gasar Cin Kofin Duniya, Kling ya sami nasara mai ban sha'awa a cikin Babban Prix na Berlin (a AVUS, wani madaidaiciyar madaidaiciya). Ya bar ƙungiyar Formula One a ƙarshen kakar, don maye gurbin Alfred Neubauer a matsayin shugaban wasan motsa jiki na Mercedes. Ya kasance a wannan matsayi yayin kamfen ɗin kamfen ɗin da suka yi nasara a cikin shekarun 1960, wani lokacin yana ɗaukar motar da kansa. A daya daga cikin irin wannan lokacin ya tuka Mercedes-Benz 220SE zuwa nasara a cikin babban taron Algiers-Cape Town na 1961 na Afirka.