Ok on my '00 E320 the horn sound very high, higher than on my W124 '94. So then I got another E320 '00 and compared the "honk" and it is indeed mine that is somehow higher. I then took a look at the horn itself and it says "Alto (high)". It's a Mercedes one. I dont have the part number on me, I'll look on it tomorrow.

But anyway, it sounds very weak and I need to get one that's not "alto" and that sounds deap like it's supposed to be. Anyone knows the part number (or part ) I should order?

Thanks.

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2003 E55 AMG
2007 FJ Cruiser