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Old 08-18-2001, 09:46 AM
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Join Date: Aug 2001
Posts: 5
190 Alarm System

My 1986 190E's alarm system went off 2 nights ago. I looked through the owners manual on how to disarm it. I can't figure out how to disarm it. Somebody help please.
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Old 08-18-2001, 11:03 AM
Join Date: Jul 2001
Location: Old Lyme, Connecticut
Posts: 3,596
Did your alarm go off spuriously or did it go off because it was set off by motion it is suppoesed to be set off by?

I have intermittent problems with the alarm in my 350SD (it goes off when we use the key in the door sometimes or someone opens one of the passenger doors before the driver door is opened, neither of which should set it off) and the way you get it to shut off is to use the master key (squarish black end) to open the doors and then lock them. Sometimes that does not work I have to start the car, shut it off and then lock it. The dealer suggests this is a fault in the driver door lock where some essential part of the system is located. To fix it is several hundred dollars, and I have elected to live with it. If it gets workse, I may just disable the system.

Hope that helps. Jim
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)
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Old 08-18-2001, 01:08 PM
Posts: n/a
Welcome to the forum. I have a 190E, 1986 also that I just purchased last month. The sellers had had the alarm disconnected like you want to do because of (they said) a battery drain. It may have been erratic also like yours, and I do not mind not having an alarm. The thing to unplug is
behind a plastic panel toward the front of the passenger side in the front seat - the area where the passengers feet would be.

The way to get at it is as follows:
1. Slide the passenger seat all of the way back.
2. Remove the carpeted mat. It may be glued a little bit somewhere, mine is torn a little on the underside padding but does not show at all from the carpetted side.
3. You will now be looking at some plasitic panels, one horizontal and one angled that is toward the front of the car.
4. The horizontal one has tabs that go into slots.
It may have to come out first.
5. Remove one screw to remove the angled plastic panel.
6. You now can see a couple of metal boxes. The lower one is the cruise control amplifier. (mine does not work; that's how I know all of this.) The upper metal box is the alarm unit. On mine both cables going to the upper box are unplugged.
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