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Marty
Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53150
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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My trunk will no longer open remotely or with the door

Customer Question

My trunk will no longer open remotely or with the door release. It will only open with the mechanical key. i think it might be a blown fuse, but I can't make heads or tails of the fuse chart.
Submitted: 1 year ago.
Category: Mercedes
Expert:  Marty replied 1 year ago.

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.

Expert:  Marty replied 1 year ago.

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.

Expert:  Marty replied 1 year ago.

Let me know if you need further assistance.

Marty

Expert:  Marty replied 1 year ago.

Hi, I'm just following up with you on the Mercedes. Was my answer helpful?

Marty