w639 alarm sounder location

[spanishparrott]

w639 alarm sounder , going off and won't stop. key fob doesn't turn it off. I can start van and drive it, has no effect. I have had to disconnect battery. if I knew where it was I could temporarily disconnect it. ?? help

 

[optimusprime]

On so many saloons the siren is under the front wing at the rear of the splash guard ,. Dont know about your motor .Keep looking in for more info . Just the mater od stopping the noise by pulling a wire of the siren .