1991 500 sl starting issue,related to alarm? - Mercedes Benz SLK Forum

R129 SL SL280, 300SL, SL320, 500SL, SL500, SL55 AMG, 600SL, SL600 and Super Rare SL60 AMG , SL70 AMG, SL73 AMG or the Silver Arrow Edition

 20Likes
  • 1 Post By Valerie Hansen
  • 1 Post By jbanks15
  • 2 Post By Valerie Hansen
  • 1 Post By jbanks15
  • 1 Post By Valerie Hansen
  • 1 Post By jbanks15
  • 1 Post By Valerie Hansen
  • 3 Post By desmodromic
  • 3 Post By Robrowdy
  • 3 Post By Valerie Hansen
  • 1 Post By Robrowdy
  • 1 Post By Valerie Hansen
  • 1 Post By Valerie Hansen
 
LinkBack Thread Tools
#1 Old 06-24-2017
Registered Users
 
Join Date: Jun 2017
Location: columbus ohio
Vehicle: 1991 500sl
Posts: 11
Country:
Chats: 0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
(Thread Starter)
1991 500 sl starting issue,related to alarm?

car turns over freely.wont fire, was sitting for over6 months in a parking garage,owner parked it because alarm went off and he could not get it to shut off, he removed the negative battery cable to shut it off,car ran fine till then, now will not fire up.engine turns over, I currently have unplugged number 5 fuse so alarm is off,tried unplugging alarm moduel soon as battery is reconnected alarm goes off.help, I really am puzzled,
LIL DON SLK likes this.
Valerie Hansen is offline  
Sponsored Links
Advertisement
 
#2 Old 06-24-2017
Administrator/Founding Member

 
jbanks15's Avatar
 
Join Date: Jun 2006
Location: Valrico, Florida
Vehicle: 2009 SLK 55 AMG Kleemann Supercharger, ECU tune, Headers and LSD, CF Diffuser
Posts: 90,424
Country:
Chats: 38
Mentioned: 445 Post(s)
Tagged: 5 Thread(s)
Quoted: 6443 Post(s)
Thanks: 3,218
Thanked 10,964 Times in 8,329 Posts
get a new battery
LIL DON SLK likes this.


To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Jeff, US Army Master Sergeant Retired
2009 SLK 55 AMG Black/Black
Kleemann Supercharger thread here:

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Kleemann ECU Tune, headers and downpipes thread here:

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Albums:
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

ClearBra
OEM MB Plexiglass Draught Stop
Smarttop version 3.22
Previous - 02 SLK 320, 05 SLK 350
jbanks15 is online now  
#3 Old 06-24-2017
Registered Users
 
Join Date: Jun 2017
Location: columbus ohio
Vehicle: 1991 500sl
Posts: 11
Country:
Chats: 0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
(Thread Starter)
I hope its that easy
jbanks15 and LIL DON SLK like this.
Valerie Hansen is offline  
 
#4 Old 06-24-2017
Administrator/Founding Member

 
jbanks15's Avatar
 
Join Date: Jun 2006
Location: Valrico, Florida
Vehicle: 2009 SLK 55 AMG Kleemann Supercharger, ECU tune, Headers and LSD, CF Diffuser
Posts: 90,424
Country:
Chats: 38
Mentioned: 445 Post(s)
Tagged: 5 Thread(s)
Quoted: 6443 Post(s)
Thanks: 3,218
Thanked 10,964 Times in 8,329 Posts
how old is your battery? start with that simple thing

get it tested or if you do not know, buy a new one
LIL DON SLK likes this.


To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Jeff, US Army Master Sergeant Retired
2009 SLK 55 AMG Black/Black
Kleemann Supercharger thread here:

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Kleemann ECU Tune, headers and downpipes thread here:

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Albums:
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

ClearBra
OEM MB Plexiglass Draught Stop
Smarttop version 3.22
Previous - 02 SLK 320, 05 SLK 350
jbanks15 is online now  
#5 Old 06-24-2017
Registered Users
 
Join Date: Jun 2017
Location: columbus ohio
Vehicle: 1991 500sl
Posts: 11
Country:
Chats: 0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
(Thread Starter)
ok battery is at least a year old. and a cheaper quality.i tend to over think problems such as these. I am well versed in alfa romeos but this is a whole new beast. I truly hope it is just the battery.the previous owner is a client of mine and I personally heard the car run befor,
LIL DON SLK likes this.
Valerie Hansen is offline  
#6 Old 06-24-2017
Administrator/Founding Member

 
jbanks15's Avatar
 
Join Date: Jun 2006
Location: Valrico, Florida
Vehicle: 2009 SLK 55 AMG Kleemann Supercharger, ECU tune, Headers and LSD, CF Diffuser
Posts: 90,424
Country:
Chats: 38
Mentioned: 445 Post(s)
Tagged: 5 Thread(s)
Quoted: 6443 Post(s)
Thanks: 3,218
Thanked 10,964 Times in 8,329 Posts
battery can have bad cell or cells.
even charging it up will not rejuvenate a dead cell
Our slks need to be used often and desire a great battery. I would think an sl even more so
LIL DON SLK likes this.


To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Jeff, US Army Master Sergeant Retired
2009 SLK 55 AMG Black/Black
Kleemann Supercharger thread here:

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Kleemann ECU Tune, headers and downpipes thread here:

To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Albums:
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

ClearBra
OEM MB Plexiglass Draught Stop
Smarttop version 3.22
Previous - 02 SLK 320, 05 SLK 350
jbanks15 is online now  
#7 Old 06-24-2017
Registered Users
 
Join Date: Jun 2017
Location: columbus ohio
Vehicle: 1991 500sl
Posts: 11
Country:
Chats: 0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
(Thread Starter)
thankyou so much for the advice and it will diffinately be the cheapest place to start. it is a super clean car, just whish it had a standard transmission. I am dying to drive her.
LIL DON SLK likes this.
Valerie Hansen is offline  
#8 Old 06-24-2017
Registered Users
 
Join Date: May 2016
Location: Spring city pa
Vehicle: 2005 slk 350 in pristine condition
Other Toys: 500 hp ford lightning buick v8 powered miata, 82 6 speed afr vette with 4 dcoe webers
Posts: 65
Country:
Chats: 0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 9 Post(s)
Thanks: 12
Thanked 5 Times in 5 Posts
If the engine cranks freely the battery is not bad !

Geo
desmodromic is offline  
#9 Old 06-24-2017
Registered Users
 
Robrowdy's Avatar
 
Join Date: Mar 2016
Location: Alabama
Vehicle: 2012 Mercedes SLK 350
Posts: 866
Country:
Chats: 0
Mentioned: 15 Post(s)
Tagged: 0 Thread(s)
Quoted: 245 Post(s)
Thanks: 47
Thanked 53 Times in 50 Posts
Garage
Quote:
Originally Posted by Valerie Hansen View Post
car turns over freely.wont fire, was sitting for over6 months in a parking garage,owner parked it because alarm went off and he could not get it to shut off, he removed the negative battery cable to shut it off,car ran fine till then, now will not fire up.engine turns over, I currently have unplugged number 5 fuse so alarm is off,tried unplugging alarm moduel soon as battery is reconnected alarm goes off.help, I really am puzzled,
This car was sitting up for 6 months with no battery connected due to alarm being stuck on. Go ahead check and replace battery if needed (may just need charging) as you will have to do it first any way. Next, if you have an alarm issue then the car will not run (immobilizer) no matter if you unplug this or that. You will have to have the cars ECU scanned for the codes to see what the issue is and it will have to be resolved in order for the car to run again. Could be as simple as resetting a fault or may be an alarm or ECU module issue that will require repair. Also I would really be concerned about the quality of the gas in the car, 6 months is a long time, and I would get some fresh high octane in it for sure.
Robrowdy is offline  
#10 Old 06-25-2017
Registered Users
 
Join Date: Jun 2017
Location: columbus ohio
Vehicle: 1991 500sl
Posts: 11
Country:
Chats: 0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
(Thread Starter)
I have charged the battery numerous times. and after cranking engine 3 or 4 times I notice a very high drop in battery charge,i realize this is a big engine and is gonna require a lot of juice to turn her over, and yes i am questioning the gas quality, I am gonna take the battery out of my ford f 250 to try the battery issue. I could possiably borrow a code reader from one of my friends, arrrg, why could I not be happy just buying shoes and clothes instead of foreign cars.
jbanks15, LIL DON SLK and Robrowdy like this.
Valerie Hansen is offline  
#11 Old 06-25-2017
Registered Users
 
Robrowdy's Avatar
 
Join Date: Mar 2016
Location: Alabama
Vehicle: 2012 Mercedes SLK 350
Posts: 866
Country:
Chats: 0
Mentioned: 15 Post(s)
Tagged: 0 Thread(s)
Quoted: 245 Post(s)
Thanks: 47
Thanked 53 Times in 50 Posts
Garage
Quote:
Originally Posted by Valerie Hansen View Post
I have charged the battery numerous times. and after cranking engine 3 or 4 times I notice a very high drop in battery charge,i realize this is a big engine and is gonna require a lot of juice to turn her over, and yes i am questioning the gas quality, I am gonna take the battery out of my ford f 250 to try the battery issue. I could possiably borrow a code reader from one of my friends, arrrg, why could I not be happy just buying shoes and clothes instead of foreign cars.
You can go a lot farther in the car than you can in the shoes, and yes you will still need the clothes so just do the clothes and the car (forget the shoes, aint nobody gonna be lookin at em, but the car yes!) and be happy You a DIY'er? You can get a really good scanner (Autel MD 802 All-System) from Amazon for $175-$200. Pay for itself the first use, you have a 1991 so you will probably need OBD port adapter as well. All the help and links to resources you need right in here. How much gas is in it? If it is low you can just put some fresh high octane in and it will be fine. As far as the no crank, really need that scanner. I will say from what you described about battery draining after 3 or 4 times of trying to start, really sounds like it has a dead cell. You can have it checked to see if you need a new one. IDK how you gonna use battery from the Ford unless it is same dimensions and CCA. I would just take the battery up and have it checked then if its bad you can go ahead and get a new one and that will be one issue resolved and weeded out.
LIL DON SLK likes this.
Robrowdy is offline  
#12 Old 06-26-2017
Registered Users
 
Join Date: Jun 2017
Location: columbus ohio
Vehicle: 1991 500sl
Posts: 11
Country:
Chats: 0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
(Thread Starter)
I think I have found the source of my issues ,the becker anti theft module is fried. the circuit board is cooked. charred.am going to find a replacement. now woundering if I am going to have to reprogram security codes once replaced. and what caused it to flame out.
Robrowdy likes this.
Valerie Hansen is offline  
#13 Old 06-26-2017
Registered Users
 
Join Date: Jun 2017
Location: columbus ohio
Vehicle: 1991 500sl
Posts: 11
Country:
Chats: 0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
(Thread Starter)
hopefully the images of burnt module will load.
Attached Images
File Type: jpg Snapshot_20170625_1.JPG (77.1 KB, 5 views)
File Type: jpg Snapshot_20170625.JPG (60.8 KB, 3 views)
Valerie Hansen is offline  
#14 Old 06-27-2017
Registered Users
 
Robrowdy's Avatar
 
Join Date: Mar 2016
Location: Alabama
Vehicle: 2012 Mercedes SLK 350
Posts: 866
Country:
Chats: 0
Mentioned: 15 Post(s)
Tagged: 0 Thread(s)
Quoted: 245 Post(s)
Thanks: 47
Thanked 53 Times in 50 Posts
Garage
Quote:
Originally Posted by Valerie Hansen View Post
hopefully the images of burnt module will load.
Definitely bad alarm module, nice visual work Now, have you noticed any discolored wires on the connectors to the module? Any signs of water being the issue? Was any of the fuses for this circuit blown? Could just be the module if none of the above but really need to have look at stored codes in ECU to see if there are any other issues that could be related to or have caused this. This part will most likely need to be coded to communicate with the rest of the car but I m not sure on a 1991 model, may just be newer 2000 and up models. https://mercedespartscenter.com/part...NTROL%20MODULE
Robrowdy is offline  
#15 Old 06-29-2017
Registered Users
 
Join Date: Jun 2017
Location: columbus ohio
Vehicle: 1991 500sl
Posts: 11
Country:
Chats: 0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
(Thread Starter)
it looks as if just the module is affected no melting of the wireing harness.or connector plug. lets hope that once I get the replacement module all will be ok
Robrowdy likes this.
Valerie Hansen is offline  
#16 Old 07-11-2017
Registered Users
 
Join Date: Jun 2017
Location: columbus ohio
Vehicle: 1991 500sl
Posts: 11
Country:
Chats: 0
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 3 Post(s)
Thanks: 0
Thanked 0 Times in 0 Posts
(Thread Starter)
i am back.

got a replacement becker autoradio module for the one that was burnt out,alarm no longer goes off but car still wont start,turns over freely, has spark. and fuel at injectors. while trying to start car a low intermittent humming is comeing from the other module,see attached picture, I don't know if this is normal. I also have a replacement for that module as well but no difference if changed. I remember someone saying I may have to have thease programed. desperate to hear this thing run
Attached Images
File Type: jpg s-l300.jpg (14.6 KB, 7 views)
Valerie Hansen is offline  
Sponsored Links
Advertisement
 
Reply

  Lower Navigation
Go Back   Mercedes Benz SLK Forum > Mercedes Benz R107, R129, R230 , R231, SLR Class Cars > R129 SL

Bookmarks

Quick Reply
Message:
Options
Upload your files to MEGAUPLOAD
Upload your images to ImageShack

Register Now



In order to be able to post messages on the Mercedes Benz SLK Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in











Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
User Tag List

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Forum Replies Last Post
Alarm issue help needed please. willydoit SLK R171 General Discussion 10 07-01-2019 05:11 PM
Mercedes-Benz publishes lifecycle analysis of the GLE 500 e Plug-in Berliner Heckflosse Off Topic 0 12-27-2015 11:30 AM
tow alarm reset issue BluBenz SLK R170 General Discussion 2 08-29-2014 07:23 PM
False Alarm Text Message from MBrace (Car Alarm)? mb911 SLK R171 General Discussion 4 07-04-2014 09:46 PM
R170 (SLK 230 2003) SmartTop alarm issues =( JaysonM General Modifications R170 9 03-10-2013 06:53 PM

Posting Rules  
You may post new threads
You may 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 Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome
 

Clubs, Garage Plus vBulletin Plugins by Drive Thru Online, Inc.