CAF will assemble the trains while Mitsubishi will supply electrical systems including automation equipment. The fleet will be delivered between 2016 and 2017.

Line M5 will link Üsküdar with Ümraniye and Çekmekköy on the Asian side of the city. The 19.7km line will have 16 stations, including an interchange with the Marmaray link at Üsküdar, and the journey time between the two termini will be around 27 minutes.