XD2037B - National Library Board

XD2037B is the first generation or prototype of "Molly" - The Mobile Library Bus, using a Mercedes-Benz O.405 with Duple Metsec bodywork. The bus was originally from SBS Transit, registered as SBS468K. With the conversion, this unit became the last surviving SBS Transit Mercedes-Benz O.405, it was subsequently retired in January 2012.

"Molly" was launched on 3 Apr 2008 to provide mobile library service to reach out to the under-served community, whom are unable to visit the branches.