Mercedes Repair Questions? Ask a Mechanic for Answers ASAP
Disconnect both of the battery cables, and hold them together for five minutes. That should reset the system and hopefully get the top working.
remove them from the battery and hold them together. Keep them away from the actual battery terminals.
It could be a sensor problem as well. You would need a Mercedes scan tool or high end shop scanner to be able to tell what sensor is causing the problem.