Train from Grand Mercure Shanghai Zhongya to Pudong Airport

It wouldn’t be very difficult for you to go by public transportation, don’t worry.
You can walk 350 yards to the northwest to the south square of SH Railway Station, there you can take airport shuttle bus line 5 to reach the airport directly.
There would be signs on the body of the bus.

Thank you to Maria from Canada for the answer. Do we have to pre-book the Line 5 Shuttle Bus or buy tickets ahead of time, or can we just jump on and buy a ticket on board? Is it obvious where to wait at the station for the bus? I see the photo of the Shuttle Bus Stops at the airport. Are similar signs used at the train station?

Hey, you can just buy ticket when you jump on. The sign is obvious in the station, don't worry. You can recognize the bus easily by its appearance. It is the same as you will see at the airport.