Pedzisa mutsara unotevera: Munguva yokugadzirwa nokuedzwa kweM291 powerplant itsva, zvakava pachena kuna Sauber Mercedes kuti kwakanga kune zvinetso mukugadzirwa kweinjini nokuvakwa. 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 24 Hours of Le Mans, chikwata akasarudza kuti C291 haana kukwanisa kupedza nhangemutange, uye nokudaro vakamanikidzwa kupinda matatu C11s.