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E-350 65K W/Seized engine

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Old Jan 13, 2020 | 02:03 PM
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E350 4matic
E-350 65K W/Seized engine

Hello everyone. I am seeking some advice. I have a 2010 W212 with the 3.5L gas engine. My vehicle currently has 65K on it. I was driving back from a trip 4 hour drive and 5 minutes from my home the car shuts off while I am driving. All electronics work but seems like battery isn't strong enough to start the engine. I get it towed back to the shop and they checked all the electronics and come to find out the engine seized up. I did an oil change 2500 miles ago and the oil dipstick measures full. I am lost at how this happened since I've maintain it regularly. We did not dive to deep to figure out the what caused it yet but are there any suggestions out here? Now that it is seized though I am faced with purchasing another engine or rebuilding this engine. Would anyone recommend one over the other? And why?
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Old Jan 13, 2020 | 02:29 PM
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1922 Ford Model T / no OBD
What oil did you use? We have few reports about seized Bluetec engines what seems to be result of dealers using wrong oils.
You did not disclosure your location, but in USA rebuilding or overhauling 10 years old engine exceeds car value, so it is cheaper to buy another car.
Good luck.
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Old Jan 13, 2020 | 02:35 PM
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I am located in Canada. And its not a Bluetec. I have had everything done at a local specialist that uses only Liqui Moly.
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Old Jan 13, 2020 | 02:46 PM
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Oil shouldn't be a problem as it meets the 229.3 MB spec. If your mechanic can get into the bottom end of the motor and find out what may be the cause of its quitting (bent rod, spun bearing, etc.) it may be worth rebuilding. As Kajtek1 has indicated it may not make economic sense to rebuild. A new motor would be cost prohibitive.
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Old Jan 13, 2020 | 02:46 PM
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Mercedes engines don't seize just becouse, so would be interested to find the reason.
Than what mechanic did to determinate it seized? DId he tried to turn the engine by hand/big wrench?
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Old Jan 13, 2020 | 02:59 PM
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Second opinion comes to mind.

Remove plugs and scope cylinders.
Check oil and have it sent to lab.

Try to turn engine over by hand.

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Old Jan 13, 2020 | 02:59 PM
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Yes he tried to turn the engine manually using a believe a breaker bar(long wrench). That's how he showed me it was seized. We will be diving into the engine to see what happened in the next few weeks. I just find this a weird situation. When the vehicle died it did not make any noise. It felt sluggish so when i released the gas it slowed down and stalled out.
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Old Jan 13, 2020 | 03:40 PM
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Get the the bottom of this ASAP! Because MB engines last and are well made. They dont just go ka boom. Sorry to hear this. You could even see if MB USA will help with the cost?
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Old Jan 13, 2020 | 06:24 PM
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Was the M272/273 cam sprocket wear issue resolved by 2010? Memory not working at the moment.
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Old Jan 13, 2020 | 09:54 PM
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This is a good idea, since a timing chain failures can cause catastrophic engine damage.

I'm interested in hearing the outcome of this.
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Old Jan 13, 2020 | 10:08 PM
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2010 E350 4Matic sedan
Originally Posted by LILBENZ230
Was the M272/273 cam sprocket wear issue resolved by 2010? Memory not working at the moment.
http://www.mercedesmedic.com/m272-balance-shaft-timing-chain-repair/

if your engine number is higher than this, you are fine:

2729..30 468993



Last edited by pb39374; Jan 13, 2020 at 10:23 PM.
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Old Jan 14, 2020 | 01:48 PM
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E350 4matic
I just check my VIN:WDDHF8HB8AA156746 and it said my engine number was 272977 31 439608 so I should be in the clear for the shaft timing issue.
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Old Jan 14, 2020 | 08:12 PM
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2010 E550, 273 Engine: 2012 S550, 278 Engine
Originally Posted by Mshawkat
Yes he tried to turn the engine manually using a believe a breaker bar(long wrench). That's how he showed me it was seized. We will be diving into the engine to see what happened in the next few weeks. I just find this a weird situation. When the vehicle died it did not make any noise. It felt sluggish so when i released the gas it slowed down and stalled out.
It sounds the engine over heated and made pistons heat expand so much they got so tight in the cylinders and would not move any more. When this happens the engine gets very sluggish/powerless just before it seizes up.

So, how was the engine temperature? Or better yet, is the cooling system correctly full of is the water pump working?

if you experience a catastrophic coolant loss you may not get engine over heating warning if the coolant does not reach the temperature probe to keep the probe submerged in the coolant. Same if the water pump stops pumping. Probe is in the coolant but if the coolant does not flow the probe may not see the over heating coolant temperatures. This depends on where the temperature probe is mounted though.


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Old Jan 15, 2020 | 11:43 PM
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13' E350, Model 3 Per., 997.1 GT3
Time to swap a M156 engine in it
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Old Jan 16, 2020 | 04:10 PM
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I personally would contact a good junk yard and have them search for a low mileage replacement engine from a wrecked car (preferably hit in rear). It will probably be far cheaper than either the labor of a tear down/rebuild or purchasing a brand new engine via MB.
this is what most sane people spending their own coin would do.

I agree this should not happen at such low mileage, and if there are other indy specialists in the area, I might run far away from that one you are using unless you really trust them whole-hardheartedly. Even so, maybe worth diagnosis by another mechanic.
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Old Apr 19, 2020 | 03:17 PM
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E350 4matic
Hello everyone just wanted to make an update. The engine on my E-350 seized because lack of oil. For some reasons the piston seized up. Oil tank was still full and engine did not over heat. In the end it doesn't matter how it happened but now I have to bite to bullet and replace my engine. One day she will run again.
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