central locking fault on mercedes c180?

when opening or shutting any door,the boot lid opens up. this started to happen on very hot days for some unknown reason, but now happens more regularly. Can anyone help?
vj, August 2008


done
i think my central locking system works but when i put the key in the key hole it only locks one door and when i go into the car i press the button inside and locks the door. i dont understand why it dont lock the doors with the key

aziz, March 2010
link Click here to see other fixes for Mercedes C180.