Quote:
Originally Posted by 04 Diesel
Well the alarm is not working right now, I got a vacuum pump from a 190E. The door locks work now but the alarm still goes off when you open the back doors. Yes there is a horn under the hood, does that mean the alarm is a aftermarket?
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Factory alarm uses standard Bosch or Hella horn on driver side fender near ABS module.
The alarm module is located under the carpet, on passenger side front floor board.