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Guide to diagnose trouble and recommended solutions
weird car alarm issue
01-23-2013, 06:36 PM
#1
Super Member
Thread Starter
weird car alarm issue
So I noticed the other day that my alarm speaker will randomly go off while the car is parked and locked. Not sure what is going on, just hoping its not a big electrical issue. Has anyone else experienced this?
01-24-2013, 03:33 AM
#2
MBWorld Fanatic!
Had same issue. Check the electric handle that opens the trunk. It may need to be lubed up and is sticking. Mine did and it burnt my siren out in a matter of 3 days.
01-24-2013, 08:13 AM
#5
Super Member
Thread Starter
OK thanks I'll check those both out. Do you know exactly where the siren is at, I have all data but I am trying to get a jump on it before doing that. The siren sounds to be in the drivers fender.
01-24-2013, 11:00 AM
#7
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'71 Pinto
Dealer, independent, or anyone with SDS can definitively diagnose alarm malfunction. You can check most common causes – broken hood switch part # 2038219251 (130 in diagram) or siren, corrosion to wiring or malfunctioning siren 2198203226 (80). To gain access to siren remove left rear inner fender.
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01-24-2013, 11:13 AM
#8
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2003 W211 E55, 2003 W220 S600
Dealer, independent, or anyone with SDS can definitively diagnose alarm malfunction. You can check most common causes – broken hood switch part # 2038219251 (130 in diagram) or siren, corrosion to wiring or malfunctioning siren 2198203226 (80). To gain access to siren remove left rear inner fender.
01-24-2013, 12:24 PM
#12
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Thread Starter
01-24-2013, 09:05 PM
#14
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2004 MB E55 AMG
Most likely your siren has failed, same thing happened to me, replaced it with new MB part part # 219-820-32-26 from Medford MB out of Oregon. They sell genuine MB parts at reasonable prices. mbzmedford.com
There is a diy on here somewhere with pics, hope it goes well. Try searching alarm or siren won't turn off.
cheers
There is a diy on here somewhere with pics, hope it goes well. Try searching alarm or siren won't turn off.
cheers
01-24-2013, 10:08 PM
#18
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04-29-2013, 09:16 PM
#19
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2004 E55, 2010 Ram 1500 Crew Cab, 2008 Mini Cooper Clubman S
I just replaced my siren because I kept having this problem. I opened the old one up and it was all corroded. The batteries acid about burned me. Now the new alarm chirps when I lock and unlock the doors. Thanks to all for this thread. It saved me a bundle at the stealership.
08-30-2013, 09:47 PM
#20
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2006 E55, 1997 Mustang Cobra Conv
I just replaced my siren because I kept having this problem. I opened the old one up and it was all corroded. The batteries acid about burned me. Now the new alarm chirps when I lock and unlock the doors. Thanks to all for this thread. It saved me a bundle at the stealership.
06-03-2014, 01:56 PM
#25
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1991 350 turbo diesel
Alarm is broken
The anti theft alarm in my 1991 Mercedes 350 SD goes off every time we try to start the car. It even happens when we unlock any door. When we finally got it started and going, the alarm went off after driving one block. We are flummoxed and distressed trying to figure this out.
