open boot

Hi All, Woke up this morning to an icy car on the driveway, with the boot wide open and the contents covered in frost. Thankfully nothing taken and care still present and correct! Anyone else had this experience? I've had the obvious thought of leaning on my keys in my pocket from inside the...

My wifes CLK 230K is locked on our drive minus the battery ready for winter coverup but I cannot open the boot. The metal key insert in our spare key opens the drivers door and fits into the boot lock but does not turn, Can anybody tell me how to get the boot open please !