Engine won’t start - C220 CDI CLASSIC SE - 208.203, OM646.963 engine.

LostKiwi

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Seing as the car and I are both in hedge end, would you like me to pop by for 10 minutes and just have a quick looky???
And thats why he's one of our highly recommended Indies.
Top man Cole!
 
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NBurns

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Seing as the car and I are both in hedge end, would you like me to pop by for 10 minutes and just have a quick looky???

If you like. I am helping my girlfriend with her stall until mid pm today at the carnival grounds. If you want to say hello we are the purple gazebo/win-a-mini stand.


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umblecumbuz

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Three reasons for removing injectors:
To eliminate compression resistance (make it easier to crank)
To help remove any water/moisture in the cylinders (possibility of surface rust on bores)
To inject oil (as above) in order to lubricate bores, which will also ease resistance to cranking.
 

LostKiwi

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Indies?!! We could do with a list of abbreviations here. Sorry.


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Independent Mercedes Specialist.
Cole runs one of the most respected workshops in the country.
 

umblecumbuz

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If you're running a Win-a-Mini raffle, wy not win it yourself and sell the Merc for spares?

Seriously, if Cole gets to your place, just listen and obey - he will talk sense.
 
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NBurns

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If you're running a Win-a-Mini raffle, wy not win it yourself and sell the Merc for spares?

Seriously, if Cole gets to your place, just listen and obey - he will talk sense.

Seriously?!!!! Move from a Mercedes to a BMW?!!!!! :-O. No chance!!!! And besides, the draw is next March. Although the £10,000 alternative prize money would help massively.



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Cole@MBS

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I’m in Belguim at this moment until Tuesday, I will PM you when I’m back!
 
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I read a considerable amount of complaints from owners who complained of cloned and copied versions on sale on Ebay and Amazon so decided to buy directly from the UK official distributors and guarantee a genuine machine, it comes with telephone support and lifetime unlimited software downloads, here: https://ljmcardiagnostics.co.uk/products/icarsoft-mb-v2-0-mercedes-professional-diagnostic-scan-tool
Currently on sale at £136.00

Um,....were you aware that these guys also had an ebay store?
c53ee22dfd68840709a7bf7ab59e5440.jpg




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Tony Dyson

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Yes but the pricing is the same across both platforms, it was last time I looked anyway!
 

Tony Dyson

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Hello Neil, I can't see the socket in your 2nd photo but it should look something like this;

If you're still unsure, armed with your VIN, contact LJM Diagnostics directly and clarify with them, if there are any conflicts I'm sure they will be able to offer alternatives?
 
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NBurns

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kIl7j7gBRBuUJFL%0gGrYQ.jpg +y%sdfW2Ty63RIXy3KbDKg.jpg aSLjfqjZR4mgQH0bLiRQ5Q.jpg XMtjyliaTkaqXNIS%Q6CwA.jpg MA9aBby9S+GY4eUyVRX%fQ.jpg 1LwmTK4jQLe7tXcSK4m8Hg.jpg phHNQuQTTtecaVimIqlCAw.jpg azDvEATNT6WKN9L5PMXcmg.jpg kIl7j7gBRBuUJFL%0gGrYQ.jpg +y%sdfW2Ty63RIXy3KbDKg.jpg aSLjfqjZR4mgQH0bLiRQ5Q.jpg XMtjyliaTkaqXNIS%Q6CwA.jpg MA9aBby9S+GY4eUyVRX%fQ.jpg 1LwmTK4jQLe7tXcSK4m8Hg.jpg phHNQuQTTtecaVimIqlCAw.jpg azDvEATNT6WKN9L5PMXcmg.jpg
And there speaks the calming voice of experience :)

At this stage there is no need to remove heads or dive deeper into the engine.

You only need to remove either injectors or glow plugs - not both. They both terminate in the combustion chamber which is what we are looking to vent. The purpose of doing this is to prevent any liquids that may or may not be in the cylinders from forming an hydraulic lock.
Turn over by hand (using breaker bar if necessary - you can often turn them over by hand on the crank pulley or by using the ratchet out of you socket set.
As you turn it over any liquid in the cylinders will be pushed out. As it's ejected mop with a cloth (if there is any).
Once the engine has rotated several times remove the tool you're using and spin it over on the starter motor. This should forcibly eject anything else remaining in the cylinders.
Refit injectors and try starting it.

If the engine won't turn over by hand with injectors removed there's a deeper problem.

ONLY TURN THE ENGINE IN THE NORMAL DIRECTION. DO NOT TURN IT BACKWARDS!

To determine the correct direction of rotation look at the fan attached to the serpentine belt (assuming you have one). The fan draws air into the engine bay.

ETA - with injectors removed the engine should not be difficult to turn over.

Removed Injectors. And attempted to crank the engine by hand. You didn't tell me this would happen,........
View attachment 51226 View attachment 51227 View attachment 51228 View attachment 51226 View attachment 51227 View attachment 51228 View attachment 51229 View attachment 51226 View attachment 51227 View attachment 51228 View attachment 51229
 
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NBurns

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Oil and water everywhere!!!! Girlfriend's little girl thought it was highly amusing!!! I didn't!! Especially as I will now have to re-clean everything again.
So, Yes,......the engine DOES crank over. Now what? Or is it to now see if it will turn over without the injectors in and see if the starter motor has indeed blown? How do I stop fuel leaking from the fuel line though?
 


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