Sl 320 faulty alarm

[pardre]

Hi I have a SL320 129 type year 2000 with a faulty alarm system, the siren mounted on top of driver side front wing is making a clicking noise and has a high pitched whine as though trying to sound off. can anyone tell me where I can find the alarms brainbox has anyone else had this problem

 

[andy27168]

Hi,
I can,t help with the position of the Alarm ECU, but alarm sirens from this era MB do have a tendency to cause problems, you may find replacing it will fix your problem.