<prompt> Qedela umusho olandelayo: NgoFebhuwari 2015, uManor Marussia wamemezela uStevens njengomunye wabashayeli babo ngenkathi eletha imali eningi eqenjini, kanye noRoberto Merhi. UMarussia wahambela iGrand Prix yase-Australia kodwa akazange ancintisane ngenxa yenkinga yezobuchwepheshe. EMalaysia Grand Prix uStevens washayela imoto kaMarussia okokuqala ngqa ekuqeqesheni 1. Kodwa-ke, akazange ancintisane ekuqinisekiseni noma emncintiswaneni ngenxa yenkinga yohlelo lukaphethiloli. E-Chinese Grand Prix uStevens waqeda umjaho wakhe wokuqala we-Marussia endaweni ye-15 ngaphambi komlingani wakhe weqembu uMerhi ngemuva kokudlula kabili ngumnqobi womjaho uLewis Hamilton. UStevens waqeda ngaphambi kukaMerhi  <response>: I-Bahrain neSpain. Wagcina ngemuva kukaMerhi eMonaco Grand Prix endaweni yeshumi nesithupha. E-Canadian Grand Prix wafaneleka ngemuva kukaMerhi kodwa wakhuphukela endaweni ye-17 ngenxa yezinhlawulo kuJenson Button, Sebastian Vettel noMax Verstappen. Emjahweni we-lap 52, u-Romain Grosjean we-Lotus wayedlula uStevens kodwa wasika isondo lakhe langemuva lesobunxele ngenkathi enza lokho okwenza ukuthi bobabili abashayeli benze ukuma okuphuthumayo. Omakhenikha beLotus neMarussia babenesikhathi esincane sokusabela kubashayeli babo ababekhona, ngakho lokho kwasho ukuthi bobabili uGrosjean noStevens bathatha izitobhi ezinde. UStevens wakhononda eqenjini lakhe emsakazweni ngalesi sigameko. UGrosjean wathola isijeziso semizuzwana emihlanu ngenxa yokushayisana kodwa uStevens wehla esuka ekubeni semizuzwini emi-4 ngemuva kukaMerhi waba semzuzu ngemuva kwakhe. Kodwa-ke, uMerhi waphoqeleka ukuthi athathe umhlalaphansi emzuliswaneni wama-56 ngemuva kwenkinga ye-drive-shaft. UStevens wagcina esegcine endaweni ye-17, edonsa amahlandla amane kunomnqobi womjaho uLewis Hamilton. Ngemva komncintiswano, uGrosjean waxolisa kuStevens ngalesi sigameko. Ngesikhathi semincintiswano yokugcina yesizini, uMerhi wathathelwa indawo ngu-Alexander Rossi owedlula uStevens emijahweni emi-3 kwemi-4. 