The MAM Grass Racing Autocross Championship is organised by the 'Malaysia's Leading Premier Autocrossing Community' better known as Grass Racing Autosports Sdn Bhd. MAM is working together with Grass Racing Autosports Sdn Bhd on ways to develop autocross events with proper and clear competition rules.   The MAM Grass Racing Autocross Championship is run on large car parks laid out with pylons to depict a small race circuit. This championship is scheduled for five rounds and is aimed to help promote autocross and to provide a venue to motor sport enthusiasts to practice and develop their driving skills in a safe and controlled environment.    Class/Categories Available   Pro-Grass ( Pro & Novice Drivers ) Class OA: Below 1500cc engine capacity / Micro Cars Class OB: 1501-1600cc engine capacity Class OC: 1601-2200cc engine capacity Class OD: Beyond 2200cc / Kit Cars   Grass Class ( Novice Drivers ) Class A: Below 1300cc engine capacity / Micro Cars Class B: 1301-1600cc engine capacity   Auto Grass ( Pro & Novice Drivers ) Automatic Transmission Only Class AA: Up to 2500cc