The refurbished trains use the same livery as the C751B and C151A rolling stock. The interior fittings were replaced with white walls and new seats and installed further back to allow more standing space. The colour of seats in the driving trailer was changed from orange to red. Seats of the refurbished cars were lengthened from to . Four of seven seats per row were designated as priority seats and were differentiated using a darker colour; the practice of distinguishing priority seats with a darker colour is also seen on Taipei Metro trains.