Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help



Go Back   PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Diesel Discussion

Reply
 
LinkBack Thread Tools Display Modes
  #1  
Old 08-18-2010, 07:10 PM
Registered User
 
Join Date: Jun 2007
Location: Waterloo Illinois
Posts: 1,336
Alarm going off

I have a 1992 300D 2.5 and the alarm went off at 3am for no reason, turned it off. Wife told me that now the door locks do not work now, push the lock button on key fob and some times the alarm goes off and the doors do not lock. I tryed to lock the doors with the key and only the drivers door locks. What is going on?

Reply With Quote
  #2  
Old 08-18-2010, 07:45 PM
whunter's Avatar
Moderator
 
Join Date: Dec 2003
Location: Metro Detroit, Michigan
Posts: 17,357
Answer

Factory Alarm System Issues
http://www.peachparts.com/shopforum/diesel-discussion/150748-factory-alarm-system-issues.html#post1143583
Reply With Quote
  #3  
Old 08-18-2010, 08:21 PM
Registered User
 
Join Date: Jun 2007
Location: Waterloo Illinois
Posts: 1,336
Quote:
Originally Posted by whunter View Post

Why would the door locks stop working?
Reply With Quote
  #4  
Old 08-18-2010, 09:37 PM
Aquaticedge's Avatar
Bump on a log
 
Join Date: Nov 2009
Location: See Biography
Posts: 3,148
door locks are tied to the alarm system, if there's a fault in the alarm system then its possible that the default setting would be to disable the locks. it's all a guess though
__________________
hum.....
1987 300TD 311,000M Stolen. Presumed destroyed
Reply With Quote
  #5  
Old 08-22-2010, 11:57 AM
Registered User
 
Join Date: Jun 2007
Location: Waterloo Illinois
Posts: 1,336
Quote:
Originally Posted by Aquaticedge View Post
door locks are tied to the alarm system, if there's a fault in the alarm system then its possible that the default setting would be to disable the locks. it's all a guess though

If I unplug the alarm will the locks work again?
Reply With Quote
  #6  
Old 08-22-2010, 01:32 PM
scottmcphee's Avatar
1987 w124 300D
 
Join Date: Mar 2008
Location: Edmonton, Canada
Posts: 1,539
try it, easy to do and find out.

when was the last time a car alarm actually helped? I mean, really, if somebody wants your car it's theirs.

If there is something sitting on a seat they want, it's theirs... takes about 5 seconds to break a window and grab the item. Your alarm won't even go off.

I disconnected and/or removed all alarm parts from the car that were easy to get at... and I don't leave anything valuable in the car.
__________________
Cheers!
Scott McPhee

1987 300D
Reply With Quote
  #7  
Old 08-22-2010, 09:21 PM
Registered User
 
Join Date: Jun 2007
Location: Waterloo Illinois
Posts: 1,336
Well, I looked under the mats on the passenger side floorboard and the only thing there was the connection for the airbag. Where is my alarm control box at?
Reply With Quote
  #8  
Old 08-23-2010, 04:23 AM
whunter's Avatar
Moderator
 
Join Date: Dec 2003
Location: Metro Detroit, Michigan
Posts: 17,357
Answer

Quote:
Originally Posted by 04 Diesel View Post
Well, I looked under the mats on the passenger side floorboard and the only thing there was the connection for the airbag. Where is my alarm control box at?
Look at the pictures in this thread..
* Remove floor mats.
* Look at the bulkhead/firewall.
* Remove large black steel panel.

How-to: Disable alarm on a 1993+ W124
http://www.peachparts.com/shopforum/tech-help/269799-how-disable-alarm-1993-w124.html#post2386200
Reply With Quote
  #9  
Old 08-23-2010, 07:10 PM
Registered User
 
Join Date: Jun 2007
Location: Waterloo Illinois
Posts: 1,336
Quote:
Originally Posted by whunter View Post
Look at the pictures in this thread..
* Remove floor mats.
* Look at the bulkhead/firewall.
* Remove large black steel panel.

How-to: Disable alarm on a 1993+ W124
http://www.peachparts.com/shopforum/showthread.php?p=2386200
I did and there is nothing like that there, the only thing that is there is one red plug and that is for the airbag. What next? And now I cant open my fuel door, it is locked and will not open. How do I open that also? Thanks
Reply With Quote
  #10  
Old 08-23-2010, 07:26 PM
whunter's Avatar
Moderator
 
Join Date: Dec 2003
Location: Metro Detroit, Michigan
Posts: 17,357
Answer

Quote:
Originally Posted by 04 Diesel View Post
I did and there is nothing like that there, the only thing that is there is one red plug and that is for the airbag. What next? And now I cant open my fuel door, it is locked and will not open. How do I open that also? Thanks
Look behind the passenger kick panel...
Reply With Quote
  #11  
Old 08-28-2010, 11:52 AM
Registered User
 
Join Date: Jun 2007
Location: Waterloo Illinois
Posts: 1,336
Quote:
Originally Posted by whunter View Post
Look behind the passenger kick panel...
I did and there is nothing there.
Reply With Quote
  #12  
Old 08-28-2010, 12:58 PM
vstech's Avatar
DD MOD, HVAC,MCP,Mac,GMAC
 
Join Date: Mar 2006
Location: Mount Holly, NC
Posts: 26,339
I think my 93 parts car has alarm goodies stuffed behind the ash tray.
it's also possible an aftermarket alarm kit was installed in your car... pop the hood and look for foreign items near the fusebox. any large horns or anything added to the car?
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
Reply With Quote
  #13  
Old 08-29-2010, 11:13 AM
Registered User
 
Join Date: Jun 2007
Location: Waterloo Illinois
Posts: 1,336
Thanks for all the help, the problem was the vacuum pump under the back seat. One of the solder joints broke so I resoldered the joint and all works now.
Reply With Quote
  #14  
Old 09-08-2010, 09:37 AM
Registered User
 
Join Date: Jun 2007
Location: Waterloo Illinois
Posts: 1,336
Quote:
Originally Posted by vstech View Post
I think my 93 parts car has alarm goodies stuffed behind the ash tray.
it's also possible an aftermarket alarm kit was installed in your car... pop the hood and look for foreign items near the fusebox. any large horns or anything added to the car?
Well the alarm is not working right now, I got a vacuum pump from a 190E. The door locks work now but the alarm still goes off when you open the back doors. Yes there is a horn under the hood, does that mean the alarm is a aftermarket?
Reply With Quote
  #15  
Old 09-08-2010, 01:31 PM
MBeige's Avatar
Registered User
 
Join Date: Apr 2005
Location: SoCal
Posts: 3,746
Quote:
Originally Posted by 04 Diesel View Post
Well the alarm is not working right now, I got a vacuum pump from a 190E. The door locks work now but the alarm still goes off when you open the back doors. Yes there is a horn under the hood, does that mean the alarm is a aftermarket?
Factory alarm uses standard Bosch or Hella horn on driver side fender near ABS module.

The alarm module is located under the carpet, on passenger side front floor board.

Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On




All times are GMT -4. The time now is 08:37 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2019, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2018 Pelican Parts, LLC - Posts may be archived for display on the Peach Parts or Pelican Parts Website -    DMCA Registered Agent Contact Page