this was all EX STA' s Custom coaches batches made up of Volvo B12BLE's/B12BLEA's, & Mercedes Benz gas & Mercedes 0500LE's. the windows however on the Mercedes version has a slight difference with the middle windows being slopes down instead of up like the B12BLE units, because they wanted a different design on these mercedes by the manufacturer to created this slopey Windows that dives down to gives it a different look, looking differently from the B12BLE units.