Mercedes Repair Questions? Ask a Mechanic for Answers ASAP
I am sorry that you have not been helped yet. I just came online and saw your question.
Did you ever repair the locking actuator that was leaking? Eventually a leak, even though you refill the hydraulic fluid, weakens the component until it no longer will function properly
If you can provide the last 8 digits of the vin number, I can pull up schematics and any testing procedure needed
I have attached the procedure for closing and securing the roof manually
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