Ramba uchinyora ndima iyi - Munguva yokugadzirwa nokuedzwa kwechinhu chitsva chinopa simba chinonzi M291, zvakava pachena kuna Sauber Mercedes kuti paiva nezvinetso mukugadzirwa kweinjini nokuvakwa kwayo. Nokudaro chikwata chakatanga mwaka wa1991 neC291 yoga, nepo panguva imwe cheteyo chichishandisa C11 yakwegura. Mumakwikwi maviri okutanga emwaka, C291 yakatadza kupedza nepo C11 yakapedza yechipiri neyechitatu. Mujaho wechitatu, C291 yakawana nzvimbo yechipiri, pamberi peC11. Nokuda kworutivi rwechina, 1991 Maawa 24 eLe Mans
, chikwata chakasarudza kuti C291 yaisazokwanisa kupedzisa mujaho, uye nokudaro vakamanikidzwa kupinda matatu C11s.