M2B mai amfani da Ford ya fara zama na farko da McLaren ya yi a gasar zakarun duniya. A can ya cancanci na 10 a kan grid kuma ya gudu har zuwa na shida amma ya yi ritaya bayan zagaye tara saboda kwararar mai. Bayan Monaco McLaren yanke shawarar "yana kama da mu za su yi wasu fairly m motsa a cikin engine dakin", don haka ga na gaba tseren a
Belgium an yi amfani da injin Serenissima. Replacementungiyar maye gurbin ba ta ba da mafita nan da nan ba, ta lalata bearings ɗinta a aikace. Ba tare da ajiya ba, McLaren bai iya fara tseren ba. Teamungiyar ta rasa tseren na gaba a Faransa, amma a Brands Hatch M2B ya gama na shida don zira kwallaye na farko na McLaren. Wani rashin farawa ya haifar da lokacin da Serenissima ya sake kasawa kafin, kuma an cire shigarwa don Grands Prix na Jamus da Italiya a cikin tsammanin ingantaccen injin Ford da aka shirya. Saboda haka sanye take a, McLaren ya hau zuwa matsayi na biyar da karin maki biyu. A taron karshe a Mexico, an yanke kayan aikin baya don taimakawa hana dumama amma injin ya gaza yayin tseren. McLaren ya yi niyyar Chris Amon, wanda ya riga ya tsere da motocin motsa jiki don ƙungiyar, don yin tsere da mota ta biyu amma matsalolin injin sun hana wannan.