SMRT Mercedes-Benz O405G (TIB1022M) – North South Line MRT Shuttle (Bishan – Raffles Place) SMRT Mercedes-Benz O405G (TIB1022M) – North South Line MRT Shuttle (Bishan – Raffles Place) SMRT Mercedes-Benz O405G (TIB1022M) – North South Line MRT Shuttle (Bishan – Raffles Place)