I have a 2001 mercedes benz s430 and the horn stopped working?

how do i fix my horn? does it have something to do with the fuse? if so where is it located and how do i know which fuse to change?I have a 2001 mercedes benz s430 and the horn stopped working?
Try the 15a fuse 28 in the right front fuse and relay module box. Also check relay P in the right front fuse and relay module box as well.I have a 2001 mercedes benz s430 and the horn stopped working?
i had that happen in a car and i found out i had a blown fuse :)

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