W203, 2004.

I've seen a post where someone mentioned that he was able to run a wire (for a radar detector) through the firewall in the area of the fuse panel next to the drivers door......and into the engine fuse box that contains some switched fuses. I replied and that person has never answered as to how he did this. Does anyone know if there is a rubber grommet, etc., in that area to pass wires through, etc.

Thanks.

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GuruGuy