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Replace or clean injectors? 2012 E63 biturbo

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Old May 7, 2020 | 05:06 AM
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E63 BiTurbo
Replace or clean injectors? 2012 E63 biturbo

Hi all,
I recently had a sticky injector, luckily noticed it straight away and my local AMG specialist had a used one to get me running properly. The general concesus seems to be to just replace all the injectors as they can do major damage it they start sticking. Not much info online, can you ge them ultrasonically cleaned/serviced or do they actually wear out etc? Help on sourcing replacements would be greats as Mercedes is closeds don't know the price yet of new OE injectors, am sure they will be mega expensive. I've ever had a DI car before so it's new to me!

Many thanks!
Trev.

Last edited by Trevkx125; May 7, 2020 at 02:32 PM.
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Old May 7, 2020 | 06:09 AM
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Originally Posted by Trevkx125
Hi all,
I recently had a sticky injector, luckily noticed it straight away and my local AMG specialist had a used one to get me running properly. The general concesus seems to be to just replace all the injectors as they can do major damage it they start sticking. Not much info online, can you ge them ultrasonically cleaned/serviced or do they actually wear out etc or and help on sourcing replacements would be greats,e Mercedes seemstseems be closed so don't know the price yet of new OE injectors, am sure ethey will be mega expensive. I've ever had a DI car before so it's new to me!

Many thanks!
Trev.
what are the symptoms of a stuck open injector? What happened? Just wanna know for future reference
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Old May 7, 2020 | 01:48 PM
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C63 W204 / E63S W212 / E63S W212
https://www.fcpeuro.com/products/mer...sch-2560700187

Thats without the O-ring kit.

Id say if you're planning on keeping the car for a while why not do them all and best to go with new ones instead of cleaning. If one is stuck open, could result needing a new engine or a bent rod at min.
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Old May 7, 2020 | 02:38 PM
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Many thanks, I'm in the UK and can't find anywhere that stocks them. It had a misfire and the plug was darker than it should be on that cylinder, slight puff of black smoke from that side tail pipe, it all pointed towards the injector, it actually looked a little clogged when removed.
Hope that helps!

Many thanks
Trev.
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Old May 8, 2020 | 12:38 AM
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Originally Posted by timm206
https://www.fcpeuro.com/products/mer...sch-2560700187

Thats without the O-ring kit.

Id say if you're planning on keeping the car for a while why not do them all and best to go with new ones instead of cleaning. If one is stuck open, could result needing a new engine or a bent rod at min.
definitely dont want to take risk with a possibly failing fuel injector as i had one stuck open on an older c32 amg and it hydrolocked a cylinder and bent the rod...motor done.

great find TImm with these Bosch injectors available from FCP euro and not too bad price of 165 USD (with their lifetime replacement) https://www.fcpeuro.com/products/mer...700187#fitment

i may buy a few to keep on hand since it doesnt appear you can even buy these from the MB dealer (part # A2780700687)
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Old May 8, 2020 | 12:56 AM
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2014 E63 AMG
Hey, check out autodoc ive found these.

https://www.autodoc.co.uk/bosch/8447334

I think on the uk site you can put your reg number in and pull up the right injector. At the price i don't think id be replacing every single one!
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Old May 8, 2020 | 08:30 AM
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Many thanks for the replies 👍
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