E-Class (W211) 2003-2009

Engine from 06 e350 to 05 e350

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Old Jan 24, 2021 | 08:10 PM
  #1  
Johnson Keast's Avatar
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e500, e350
Engine from 06 e350 to 05 e350

Hello Ladies and Gentlemen,

Johnson Keast is my name and this is my first post to the forum, I trust everyone is going well and l look forward to providing knowledge and helping the Mercedes community in New Zealand and around the world.

I am about to embark on a bit of a mission and need some feedback if possible, I have searched the forums and found some useful information but have some direct questions I would also like to ask after explaining the scenario.

I own a 2006 e350 with about 100,000kms on it, spent 4k doing gearbox sensors and trans control plate amongst other things, It has 19 inch wheels amg body kit and looked nice until the unfortunate day I crashed it out in Rangiora (days after spending the 4k on it). This is now in a shed in pieces, body disposed of after compeltely stripping it - damaged in side only. (took days to strip). The 2006 has a great replacement motor for the 2005 e350 I purchased, the 2005 is running and going ok however getting a bit sad at 300,000kms.

Can I swap the motor/box from the 2006 e350 into the 2005? what should i be aware of in terms of ecu/electronics/possible reprogramming??

Is it just a matter of using the ecu from the old car or is there a lot more to this?

I have swapped many other motors of the nissan and toyota breed along with custom wiring and am sure I could work it all out with days of searching but highly appreciate any help or feedback the community can provide.

Thanks in advance.

Johnson Keast



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Old Jan 25, 2021 | 08:47 AM
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Start here:
https://mbworld.org/forums/e-class-w...-resolved.html
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Old Jan 25, 2021 | 12:20 PM
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The engines are identical between 05 and 06 but BOTH have a bad balance shaft. You're replacing one turd with another.
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Old Jan 26, 2021 | 06:56 PM
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@bbirdwell Thanks for taking the time to share this, from what I can tell from the write up it looks like I keep the replacement ecu/engine together rather than using the old ecu with the replacement motor (I had just assumed that would be the way to go).

Have a great day.

@tjts1 I am completely aware of the balance shaft gremlin but after owning multiple 350's that have gone into high k's ive never experienced the issue - sorry to those that have.
appreciate your help.

Have a great day

Last edited by Johnson Keast; Jan 26, 2021 at 06:59 PM. Reason: didnt realise this went to everyone :)
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Old Jan 26, 2021 | 09:47 PM
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Originally Posted by Johnson Keast
@bbirdwell Thanks for taking the time to share this, from what I can tell from the write up it looks like I keep the replacement ecu/engine together rather than using the old ecu with the replacement motor (I had just assumed that would be the way to go).

Have a great day.

@tjts1 I am completely aware of the balance shaft gremlin but after owning multiple 350's that have gone into high k's ive never experienced the issue - sorry to those that have.
appreciate your help.

Have a great day
Theres a first time for everything.
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Old Jan 27, 2021 | 03:39 AM
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2008 E350 4Matic, 2011 E350 4matic
Originally Posted by Johnson Keast
@bbirdwell Thanks for taking the time to share this, from what I can tell from the write up it looks like I keep the replacement ecu/engine together rather than using the old ecu with the replacement motor (I had just assumed that would be the way to go).

Have a great day.

@tjts1 I am completely aware of the balance shaft gremlin but after owning multiple 350's that have gone into high k's ive never experienced the issue - sorry to those that have.
appreciate your help.

Have a great day
If you have the engine out of the car, just do the balance shaft before putting it back in. You mind as well do the breather kit and check the intake manifold while you're at it. I think the parts for the balance shaft isn't that much, it's more labor as the engine has to be removed to replace the balance shaft. You could always just check the condition, there's lots of youtube videos on how to check for the status of the balance shaft. Lots of stories on this site of it going up to 140k miles and beyond so there's no safe mileage.
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Old Jan 27, 2021 | 09:14 AM
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This place is a joke.
The transmission is VIN locked to the car.
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Old Feb 1, 2021 | 03:12 AM
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@E55Greasemonkey
So there is no way to use a trans from one w211 to another? a re program of some kind?

Are the motors not vin locked? Looks like these can be changed according to a previous post?

Kind regards Johnson
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Old Feb 1, 2021 | 10:17 AM
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Originally Posted by E55Greasemonkey
The transmission is VIN locked to the car.
No it's not. Just the conductor plate on the RWD 722.9 transmission is vin locked. If you can swap a transmission you can swap a conductor plate.
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Old Feb 1, 2021 | 10:24 AM
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This place is a joke.
Originally Posted by tjts1
No it's not. Just the conductor plate on the RWD 722.9 transmission is vin locked. If you can swap a transmission you can swap a conductor plate.
Correct, however in order to swap the conductor plate you must have the same exact valve body part number and transmission part number between both cars.
The engine ECU is VIN locked but not the engine itself.

Last edited by E55Greasemonkey; Feb 1, 2021 at 10:28 AM.
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