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  #1  
Old 11-10-2023, 12:00 AM
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Bluetec Sprinter OM642 engine swap compatibility

Hey everyone, got a 2019 Sprinter OM642.899 with a seized engine and need to consider an engine swap. Unknown (probably poor) maintenance history; ran for a bit and now I cannot get it to turn.

So I'm considering an engine swap. Apart from Sprinters, this engine seems to be used in many other cars - any other that is compatible with mine? I can move over the accessories and such, just looking to get a compatible junkyard engine. Any leads, anyone? Thanks!

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  #2  
Old 11-10-2023, 12:28 AM
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Location: Bedfordshire UK
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You need to stick with the .899 designation as there are differences in engine block design such as starter motors on different sides and wiring ect and block casting/ bolt sizing/ water pumps etc
A good source of info is the Sprinter source forum
https://sprinter-source.com/forums/index.php
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  #3  
Old 11-11-2023, 02:00 AM
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Ooof! Thanks, was really hoping the block is used in some other parts than the Sprinter...
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  #4  
Old 11-11-2023, 06:45 AM
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It probably is but you need to check those last 3 digits to ensure compatibility .
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  #5  
Old 11-11-2023, 11:47 AM
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Are all OM642 engines the same?
Basically the same block & heads but a lot of internals are different (like camshafts) and so are things like manifolds and wiring harness and, and, an, and.!

It is used in a lot of cars,so you may get lucky. Just Google it.

https://en.m.wikipedia.org/wiki/Mercedes-Benz_OM642_engine
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  #6  
Old 11-13-2023, 10:12 PM
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It seems like you have two separate issues here. The first being the engine swap and the second being a potential problem with the temperature sensor.

For the engine swap, the M273 engine used in the 2011 GL450 is also found in other Mercedes-Benz models such as the E-Class, S-Class, and CL-Class. However, it's important to note that even within the same engine family, there can be differences in the way the engine is mounted, the accessories it uses, and the electronic control systems. It's best to consult with a qualified mechanic or dealership to determine which engines would be compatible with your specific vehicle.

As for the temperature sensor issue, if your temperature gauge is working properly, but you're still getting a code related to the coolant temperature sensor, it could be a wiring or connector issue rather than a problem with the sensor itself. I recommend having a professional mechanic diagnose and address this issue to ensure it's properly resolved.

In both cases, it's important to seek professional advice to ensure the best course of action for your vehicle.

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