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  #1  
Old 03-18-2004, 08:48 AM
azinn's Avatar
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Quote:
Originally posted by cwhtrains
Is there any way to tell if I may have the problem balancer part? I was unable to see any part number on the balancer, but I did not remove the belt.
Clayton
Read the 11th post down on this Crankshaft Balancer Failure! UPDATED The photo shows the part number on the edge of the pulley. It helps if you pull off the engine cover to see it.
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  #2  
Old 03-19-2004, 01:06 AM
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Quote:
Originally posted by cwhtrains
A couple of questions:

Where do I look to find out what my engine number is?

My ML 320 has a production date of Feb 17, 2000 according to my service print outs with a VIN 4JGAB54EYA1769xx. Make Model is indicated as MB 163 ML320-K1. What does the 163 mean?

Clayton
The 163 is the model/chassis type. You will see references here to W126, W123, W201 etc. These are the various models of MB's.
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  #3  
Old 03-19-2004, 06:55 PM
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I just checked out our 2000 ML320:

Production date of 6/14/00 and it's harmonic balancer is 09-00. No indication on the vmi as to it's replacement. The only thing suspect was the front engine mount was replaced- said too weak on the vmi. I dunno.
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  #4  
Old 03-19-2004, 11:10 PM
AEL AEL is offline
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Harmonic balancers

My 1999 E320 has 120K miles on it. Bought it used so don't know much about its maintenance. Checked the numbers on the pulley and they read as follow: 112-035-09-00. Is this a newer version? Most references have been for: 112-035-00-00.

Thanks,

Al
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  #5  
Old 03-20-2004, 12:30 AM
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AEL.....

It's a newer version, but no knows if it will last. I had my H.B. replaced in Nov.2003 under warranty and by then the part # was 112-035-13-00. No one knows if this part will last, either! (2000 ML320, old part # 112-035-00-00)
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  #6  
Old 03-20-2004, 04:41 PM
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Re: Crankshaft Balancer Failure! Must read.

Quote:
Originally posted by Benzmac
Has anyone on this board had a front crankshaft balancer fail on a 1998 or newer Mercedes???

This is one heck of a trend we are seeing.

If so, what was the outcome?
It did happen on my 85 190 8v coz' the priginal one is made out of all steel then the dealer replaced it with one with a rubber backing- the opne with the rubber backing failed. Asked the dealer about it -said I have some modification on the egine that the balancer can't stand it. So I went back to the all steel balacer w/o any rubber backing.
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  #7  
Old 03-21-2004, 04:54 PM
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I was able to check the part number on my 2000 ML320 today and it was 112 035 08 00. My car had a production date of Feb 17 2000. I checked all my service orders and none mentioned any replacement part being installed.

Last edited by cwhtrains; 07-27-2004 at 12:18 AM.
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  #8  
Old 03-21-2004, 07:36 PM
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cwhtrains......... sounds like you haven't got the bad one. With that said I would still keep an eye on it along with the ole power steering clamp and hose that was recalled a couple times. These world class Mercedes-Benz cars and trucks are full of surprises.
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  #9  
Old 03-22-2004, 07:56 AM
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is the C240 (w203) included in the recall??? my pulley has part# 112-035-08-00, didnt see any cracks,but my serpentine belt got eaten a week ago, and my new belt is beginning to be stripped of its rubber on the side,exposing the threads.

must be a very slight wobble on any of the engine's pulley,any ideas?
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  #10  
Old 03-22-2004, 12:43 PM
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Bruno-- Your c240 would not be included if their is a recall, that balancer number you have is one of the later ones, not prone to cracking or coming apart. Most or all of the the the 112 v6 engines with balancer ending 00-00 from 1998 -2000 would be involved.
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  #11  
Old 03-22-2004, 02:52 PM
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Oh Yeah, Harmonic Balancer eating crank case galore...

Make: MERCEDES BENZ
Model: E320
Year: 1999
NHTSA Action Number: PE03058
Summary:
ODI HAS RECEIVED 35 REPORTS OF ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER FAILURE ON THE SUBJECT VEHICLES EQUIPPED WITH M112 OR M113 ENGINES. THE M112 SERIES IS MERCEDES-BENZ'S FIRST EVER PRODUCTION V6 ENGINE AND ITS MODULAR DESIGN ALLOWS IT TO SHARE MANY COMPONENTS, INCLUDING THE ENGINE CRANKSHAFT PULLEY HARMONIC BALANCER, WITH THE M113 SERIES V8 ENGINES. THE M112 AND M113 ENGINE CRANKSHAFT PULLEY PROVIDES ACCESSORY POWER VIA A SERPENTINE BELT. THE COMPLAINANTS ALLEGE THAT ENGINE CRANKSHAFT PULLEY FAILURE CAUSES LOSS OF POWER STEERING ASSIST WHICH MAY INCREASE THE RISK OF A CRASH. A PRELIMINARY EVALUATION HAS BEEN OPENED TO ASSESS THE SCOPE AND SAFETY CONSEQUENCES OF THE ALLEGED DEFECT.


Its too bad that only 35 people complained!!!
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I am an enthusiast but you can't pry money outta my hands... Help me to get to full throttle on the Harmonic Balancer Crank Shaft Pulley RECALL!
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  #12  
Old 03-22-2004, 03:09 PM
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More people than that have complained. That was before they started the investigation.
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  #13  
Old 03-29-2004, 05:04 AM
jnolte
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hey

I have a 1998 C43 AMG. ANd it has the m113 engine. I bought it from a diffrent state and it has 75k on the clock. Now my engine is making a weird clicking sound and it sounds like a loose belt or something? What does a bad crank shaft balancer sound like at idle? when i am in neutral and i push on the gas some the clicks speed up.. does this sound like the same problem? Also if i go to my local MB dealership will they fix it for free since it is a common hazard? is there any recall or something? what should i tell them? TIA
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  #14  
Old 03-29-2004, 06:13 AM
jnolte
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where is the balancer and how can i check it? The C43 engine compartmant is really crowded and is hard to see, should i check it from the bottom?
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  #15  
Old 03-29-2004, 09:00 AM
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Location: Maple Valley, WA
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Hello.


The balancer is what used to be called the crankshaft pulley. My wife has the V6, which is the sum of my experience.


If you visually follow the serpentine belt through it's path you should be able to see the lowest pulley; that's on the crankshaft. There's a rubber cushion separating the inner driven part and the outside pulley. If it's bulging out anywhere it's suspect.


If that area is crowded, the cooling fans on my wife's 99 remove easily; hopefully yours is the same. If you remove them that should give you more room to see.


When the vehicle is running (do not put your hands down there if the vehicle is running) you should be able to see the balancer. Use a flashlight if necessary. If there is a visible wobble the balancer is bad.


There's an investigation but to this point Benz is denying there's a problem. Having it fixed now before it breaks is much cheaper.


I have much higher regard for Phil Smart than Barrier.
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