Hello all,

I have a 86` 190D and recently the car alarm will not stop going off. when I open a door when i start my car , basically anything i do sets my alarm off.I disconnected the alarm horn it was really loud. Its gotten to the point to where its not running i disconnect the battery. Is there anyway to turn off this alarm or remove it completely? Or what sets it off?

Try this: After you have unlocked the car, keep the key in the keyhole, open the car door, unlock the door again, and then get in, and see if it still does it.

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D

try unlocking the car from the trunk.

sometimes i have to do this...it's either a worn key... worn lock or a combination of both..

if i unlock my car from the drivers side and the horn starts... i have to lock the car and unlock it from my trunk

this has happened on two 124's that i have owned.

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1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k



1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it


[/SIGPIC]

I think your original question is on track - you just need to get rid of this thing. Your car is not a prime candidate to get stolen. These systems age and just become waaaaaay more trouble than they are worth. Better to just get rid of it. You need to find the alarm control module, probably under the front passenger carpet, and remove it.

When I had a problem with my 420 SEL alarm going off in a heavy wind when parked --- I went under the passenger side floor and disconnected the two heavy cables that constitute the alarm connection system and taped over the male sides to prevent shorting etc. No more problems!! The faulty areas of the overall alarm system can be found, but the time and cost are normally not worth it. Ben Carter

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Ben Harrison Carter
1999 Mercedes ML320 87K
1992 Mercedes 300CE 89K
1995 Corvette 29K -- Sold Dec 09
1989 Mercedes 420SEL 99K -- (Sold 4/08)
1968 Mercedes 230S (106K) (Sold 9/06))
1976 Mercedes 450SEL 130K (Just sold - 06)
1961 Mercedes 220Sb (sold years ago)

Have also an 86 190D and the factory alarm is just trouble. In front of the fuse panel you have another rectangular box. Lift off the cover and you will 2 red fuses there. Remove those and the alarm is inoperative.