Originally Posted by azinn

I replaced my original ML430 horns with the ML55 horns from this place -
http://www.trademotion.com/partlocator/index.cfm?action=getLocator&siteid=213951&chapter=ERI5768&appSectionid=2413&groupid=2436&subgroupid=2436&componentid=2998&make=67&model=M%20class&year=2000&catalogid=2. They sound more like a Mercedes should and not like the Honda sound of the originals. You'll need one High Note and one Low Note horn. An easy DIY plug and play.