Mercedes Repair Questions? Ask a Mechanic for Answers ASAP
Hi, this won't be a fuse problem. If the trunk won't open electrically the usual problem is going to be with the wiring to the trunk lock. The wire tends to break in the area of the left trunk hinge. They break from flexing when the trunk opens and closes. I've attached a picture below.
Sometimes the wires don't break all the way through they just break inside the insulation. You need to tug on each wire to see if it pulls apart in that area.
Let me know if you need further assistance.
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