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Old 03-25-2008, 10:53 AM
Registered User
Join Date: Feb 2001
Posts: 84
Alarm problem in 1989 300TE

My cal alarm somehow is stuck. it stays on even after locking/unlocking the car, trunk. The car starts also, but the alarm stays on.
I removed the fuse that controls the alarm to stop the loud alarm with flashing lights.
Unfortunately, the central locking and antenna are also on the same circuit, so these are disabled also.
What should I be looking for?
this is a 1989 300TE.
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Old 03-25-2008, 07:29 PM
Registered User
Join Date: Nov 2002
Location: Frankfort, Il.
Posts: 264

I believe that the alarm control box is under the carpet on the floor of front passanger side, you should be able to disable the alrm from there
Hope this helps!
'05 Ford Escape 100,000 miles
'87 560SL 92000 miles
'89 300TE 199,000 miles
'02 Audi TT 100,000 miles
'00 Ford Excursion V-10 121000 miles
'92 Mercury Capri 100000 miles
'02 BMW 325XI 60000 miles
'92 230CE 160000
'87 BMW 535SI 160,000 miles
'93 Rinker Captiva 209
5 Kids
2 Dogs
1 Wife
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Old 03-26-2008, 06:59 AM
JimFreeh's Avatar
Benz addict
Join Date: Mar 2007
Location: Hampton Roads, Virginia
Posts: 3,242
That's my fix when the alarm goes wonky.

Pull up carpet on the passenger side, remove fastener, pull the plastic panel and pop the connection off the alarm module. No! No! Not the red connector!

Reassemble in reverse order.


14 E250 BlueTEC black
05 E320 CDI Platinum blue (daughter's)
94 E320 Cabriolet Emerald green
85 300TD 4 spd manual dark blue
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