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  #1  
Old 06-07-2011, 01:05 AM
dogbolz
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EAM,AAM,NOW THIS!!!! ML320 died

my ml320 died 3 weeks ago, literally died. its still in the shop and after replacing the extended activity module, and the all activity module the thing still won't start! ($800+$800+6x$140/hr!!!). now they tell me they need 3 or 4 more days and have to replace the engine's cpu and if that fixes it they may be able to put back the original eam and aam. guy says he's never seen this before. 2002 ml320 bought with 95k and dealer maintained (the dealer that hias it now). are these guys screwing with me or did i just buy a lemon? looking at 4k + and a month with no car to get it back!! i will be driving it to the next lot and trading in for a domestic ride. any advice????? please help!
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  #2  
Old 06-07-2011, 01:10 AM
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givin the nickname of alabama trash can I've read in places it's no surprise. but if you bought it from a dealer you may have some recourse. if not your up S- Creek without a paddle
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  #3  
Old 06-07-2011, 08:19 AM
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On a 2002 ML320, the AAM & EAM have NO influence on starting OR running!

Did they give you any idea of codes from the truck? IS there a DAS issue?

DAS is controlled by a module (FBM) that plugs into the EAM.

DAS= drivers authorization system (anti-theft)
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  #4  
Old 06-07-2011, 09:15 AM
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dogbolz, sounds like you need to find some MB dealer techs who are trained to diagnose problems with your vintage MB automobile. Unfortunately for many techs if their high tech diagnostic equipment can't pinpoint the problem for them the resolution is a struggle, and you pay for their on-the-job training.
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  #5  
Old 06-07-2011, 09:27 AM
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Sounds like they are guessing, not diagnosing. Lazy way of fixing is to throw parts at until they get lucky/you go broke. Fire their lazy arses!
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Old 06-07-2011, 10:02 AM
dogbolz
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Quote:
Originally Posted by mbdoc View Post
On a 2002 ML320, the AAM & EAM have NO influence on starting OR running!

Did they give you any idea of codes from the truck? IS there a DAS issue?

DAS is controlled by a module (FBM) that plugs into the EAM.

DAS= drivers authorization system (anti-theft)
no i did not get any codes from them. interesting first point i will bring that up with them. thanks.
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  #7  
Old 06-07-2011, 12:09 PM
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Quote:
Originally Posted by dogbolz View Post
my ml320 died 3 weeks ago, literally died.....

You were diving down the road and the engine shut off and wouldn't re-start??? Or maybe you turn the key and nothing happens??? Some details would be helpful.
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Old 06-07-2011, 12:24 PM
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$140/hr from non MB mechanics?? My MB indie (master tech) is much less than that. It sounds like they are throwing parts at it
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  #9  
Old 06-07-2011, 07:36 PM
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"Alabama trashcan" now that's funny. I hate working on those things. Figure chrysler left 2 points off the star, intentionaly.
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  #10  
Old 06-07-2011, 10:24 PM
dogbolz
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Originally Posted by tbomachines View Post
$140/hr from non MB mechanics?? My MB indie (master tech) is much less than that. It sounds like they are throwing parts at it
no, its at an MB dealership, MB techs working on the car.
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  #11  
Old 06-07-2011, 10:26 PM
dogbolz
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Originally Posted by ILUVMILS View Post
You were diving down the road and the engine shut off and wouldn't re-start??? Or maybe you turn the key and nothing happens??? Some details would be helpful.
yes driving down the road and the dash lit up like an xmas tree so i pulled over, engine still running. tried to take off and gears would not change (stayed in first). turned car off with fingers crossed and that was it. no turning over, dead as a doornail.......
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  #12  
Old 06-07-2011, 10:37 PM
dogbolz
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Originally Posted by dogbolz View Post
no i did not get any codes from them. interesting first point i will bring that up with them. thanks.
here is what they sent, see attached.
Attached Files
File Type: pdf ml320.pdf (304.5 KB, 2005 views)
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  #13  
Old 06-08-2011, 09:09 AM
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By that print-out... looks like either a CAN issue (connections behind the cluster) OR

that the ME fuel system computer is to blame.

They should be able to unplug that computer & see if the other computers can exchange info.
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  #14  
Old 06-08-2011, 11:13 AM
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I was waiting to see what the wizened ones had to say. IMHO it could be any of a number of modules on the CAN which is "bringing down the CAN". Could also be CAN wiring, but the most common fault is a module on the CAN itself, even the overhead control module. I'd even say "especially" the overhead control module, aka the trip computer, we had a number of those fail back in the day, I do remember one failing and causng a problem like this, and the tech rep said to start with trying to disconnect the trip compter, then see if the active CAN codes went away, which they did.
The tech rep did say if disconnecting the trip computer didn't solve the issue, then plug it back in and proceed to the other modules on the CAN and do the same thing, disconnect, check for active CAN codes, plug back in if they were still there, proceed to another one, etc until the one that was shorting out the CAN was found. So this is whay I recommend, again starting with the trip computer Overhead control panel or OCP.
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  #15  
Old 06-08-2011, 11:15 AM
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What MBDOC is saying makes sense too and much easier to access the sfi computer, there is some trim work involved in disconnecting the trip computer, but man we used to replace those things left and right back in the day. You might even see if there is any campaign/warranty work relating to this truck yet, there were so many campaigns on the trip computer on 163's I've lost track!
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