Ku dhammaystir weedhan soo socota: Intii lagu guda jiray horumarinta iyo tijaabinta mashiinka cusub ee M291, waxay u muuqatay Sauber Mercedes inay jiraan dhibaatooyin ku saabsan naqshadeynta iyo dhismaha mashiinka. Sidaa daraadeed kooxdu waxay ku bilaabatay xilli ciyaareedkii 1991-kii iyadoo leh hal C291, isla mar ahaantaana ay ku shaqeyneyso C11 ka weyn. Labadii tartan ee ugu horreeyay xilli ciyaareedkan, C291 ayaa ku guuldareysatay inay dhammaystirto halka C11 ay dhammaystirtay kaalinta 2aad iyo 3aad. Tartankii saddexaad, C291 wuxuu dhaliyay kaalinta labaad, isagoo ka horreeya C11. Wareega afraad,
1991 24 Saacadood ee Le Mans, kooxdu waxay go'aansatay in C291 aysan awoodi doonin inay dhammaystirto tartanka, sidaas darteedna lagu qasbay inay galaan saddex C11.