I have an aftermarket 600 ESP alarm system on my car. The alarm itself is mounted under the dash, and the speaker/horn is mounted under the hood next to the fuse compartment.
The problem is that it is muffled under there. The hood and insulation and everything else make it not very loud. With the hood open, the alarm roars. But I cannot find another location for it!! If anyone else has an aftermarket alarm on their C, or other model for that matter, please let me know where it is mounted. I probably need a space about 8 inches cubed to fit it... WHERE THOUGH? Thanks in advance!

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2006 E350 w/ 155k miles (Daily Driver)

Previous:
1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
03 CLK 500 cabrio (Mom's)
2006 C230k (Dad's)
1999 S420 (Mom's/Dad's)
2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)