I have a real problem. My truck will not open on my 1999 S320. For some reson the door/ignition key will not work the trunk lock. The trunk lock cyclinder may have been changed before I owned the car. Now the power lock system that works the door locks and trunk lock is dead so when you push the button on the trunk lid nothing happens. There has to be power to the lock mechanism in order for the push button to unlock it. The remote key can't open it, the switch on the dash to open the trunk doesn't work.

Anyone have a idea on how to get the trunk open or can you get inside the trunk by removing the back seat?

Thanks in advance.

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1999 S320
2001 E320 wagon