[2] Taking its name from Xilin Avenue which passes overhead, Xilin station serves industries around Changi South, as well as the nearby Tanah Merah Country Club.

The extension to the Downtown MRT line was first announced during the revealing of the Land Transport Master Plan 2013 on 17 January 2013.

[3] This station was first announced on 15 August 2014 as part of the Downtown line stage 3e, consisting of 2 stations between Xilin and Sungei Bedok, and was expected to be completed in 2024 in tandem with the adjacent East Coast Integrated Depot.

[4] Contract T313 for the design and construction of Xilin Station and associated tunnels was awarded to Samsung C&T Corporation for S$834 million on 21 March 2016.

[8] Due to challenges of tunnelling near existing critical infrastructure, the station's construction was further delayed to 2026.