A motor vehicle egress window comprises a circumferential outer frame forming an auxiliary egress opening for a motor vehicle passenger compartment and an inner frame unit. The outer frame has an outer frame member with an inner surface and at least a first striker pin. The inner frame unit is mounted to the outer frame for movement between closed and open positions has a circumferential inner frame, a glazing pane mounted to the inner frame, at least a first egress latch mounted to the inner frame, and a release mechanism. The egress latch is operative to latch to the striker pin to hold the inner frame unit in the closed position. The release mechanism includes a manually operative release handle, preferably mounted at an elevated position on a vertical side portion of the inner frame, and release linkage comprising at least a first link from the release handle to the first latch. In certain embodiments the inner and outer frames overlap radially for improved functionality.