GL Class (X164) 2007-2012: GL320CDI, GL420CDI, GL450, GL550

Re-Seat Fuses

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Old 08-07-2022, 06:54 PM
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2007 GL450
Re-Seat Fuses

My power windows stopped working, most inconveniently as I was in a drive thru lane to get tacos.

After getting the Beast* (and my tacos) home, I thought, this sure sounds like a fuse.

After I got home, and drank beers while eating tacos and cursing the Beast's electrical system, I fixed it. First, confirmed that the windows were still kaput. Pulled the fuse, no it's still good. A blown fuse would have been little consolation, as it raises the question: Why did the fuse blow?

Put it back in, the windows now work.

I guess the fuse blades and contacts are not the greatest. I paid the dealership half a kilobuck to change the engine compartment fuse block. They may develop enough resistance to not trigger the relay. Probably a decent preventive maintenance would be to go through each the fuses on each fuse block, pulling and reinserting, just to re-seat the contacts. Might save you drive-thru taco trauma.

If anyone wants them, I sat down with Paint and typed in the fuse ID's over scans of the fuse block charts from the manual:





* In German: Das Biest.
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