New Fuel Injector Coding on Tuned Car
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e63s
New Fuel Injector Coding on Tuned Car
Hey guys, I just recently picked up a 2015 e63s wagon. Fell in love with the car (minus the creaks), but have suddenly ran into some issues. I purchased the car through ebay and when I got it everything was fine for the most part. After about a week of driving I decided to scan the car and saw that it had a cylinder 5 misfire. I proceeded to have a tech check the plugs, which looked original, so we changed them out during that time. We swapped coils and the misfire didnt follow, but insisted on putting on OEM bosch ignition coil on. Once that was done, the misfire still was present. The car ran great (previous owner had a tune on it) but the misfire could be felt at idle. The tech lastly advised that I change out the fuel injector to eliminate the 3 most common misfire issues. We did that and the new injector was coded. Since the vehicle now has misfires on all cylinders and when you give it gas it falls on its face flat with the CEL blinking. Now given that is the case, im worst off than when I started. I called the shop that did it and they said that the noticed the tune on the car, but coded the injectors based off oem spec. Could this be my issue? Im assuming that when tuning the injector flow is altered? Sorry im new to the mercedes world. Id love to keep the car, but I dont know if there is something deeper going on that I should return the car as a result of. Thanks for any guidance!
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W212 MY'14 M276-3.5NA @75kMi
troubleshooting pointers
Getting injectors reset to stock got all cyl. misfiring...
> Initially Cyl.#5 misfire...
is aiming towards being low compression
ie. cylinder walls, bent rod or jammed rings.
Get a bore scope to see that clearly.
> Falling on its face...
suggest fuel starvation as in low pressure
or lean fuel trims LTFT
> Inspect oil filter...
look at oil filter for glitter particles
> Firmware tuning...
Now you have every cyl misfiring !!
Go stock to help you resolve the basic issues
then tune up again
> Look up @PeterUbers 's index for great additional solutions.
> Initially Cyl.#5 misfire...
is aiming towards being low compression
ie. cylinder walls, bent rod or jammed rings.
Get a bore scope to see that clearly.
> Falling on its face...
suggest fuel starvation as in low pressure
or lean fuel trims LTFT
> Inspect oil filter...
look at oil filter for glitter particles
> Firmware tuning...
Now you have every cyl misfiring !!
Go stock to help you resolve the basic issues
then tune up again
> Look up @PeterUbers 's index for great additional solutions.
Last edited by CaliBenzDriver; Sep 27, 2024 at 02:19 PM.
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
Last edited by PeterUbers; Sep 27, 2024 at 02:13 PM.
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
I agree - you have to return to stock to get to the bottom of this.
scope those cylinders - specifically cylinder 5 ... 5 takes the biggest beating followed by 1....
lots and lots of discussions on misfires in the sticky and issued exactly as you are describing with solutions.
scope those cylinders - specifically cylinder 5 ... 5 takes the biggest beating followed by 1....
lots and lots of discussions on misfires in the sticky and issued exactly as you are describing with solutions.
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Man, you guys are super helpful. Ive looked up quite a bit and came across thread on cylinder 5 misfire issues. I guess my point is that, if it is low compression, jammed ring, etc... Id be better off returning the vehicle to the seller and getting my money back as opposed to incurring more expenses? Im already in the hole almost 2k. I will get a compression check and borescope to see this thing through sometime in the next few days.
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
Man, you guys are super helpful. Ive looked up quite a bit and came across thread on cylinder 5 misfire issues. I guess my point is that, if it is low compression, jammed ring, etc... Id be better off returning the vehicle to the seller and getting my money back as opposed to incurring more expenses? Im already in the hole almost 2k. I will get a compression check and borescope to see this thing through sometime in the next few days.
if so - yes, get out NOW. Scope the cylinders, leak down test (not just the software xentry test) and show this as proof, and save your receipts from the $2k already spent
Last edited by PeterUbers; Sep 27, 2024 at 03:12 PM.
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e63s
Yes, this would be through eBays guarantee... Thanks Peter! This is bittersweet bc I really loved the car the 350 miles I probably put on it. Ran like a banshee tuned and I had plans to go big turbo on it. Really wish this weren't the case, but oh well. I appreciate your help with this greatly..
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
It IS a great car but it has to be the right specimen. Find a better car - and do a serious scope and engine inspection on it before purchasing. You got lucky with the eBay guarantee - dodged a bullet
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E320
It sounds like the issues you're experiencing with misfires after changing the fuel injector could indeed be related to the car's tuning. When a vehicle is tuned, especially for performance enhancements like in your case with the E63S, it often involves adjusting various engine parameters, including fuel injector timing and flow rates. If the injectors were coded based on OEM specifications rather than accounting for the modified tuning, this could lead to a mismatch in fuel delivery relative to what the engine expects under tuned conditions. This mismatch can cause misfires across multiple cylinders and affect engine performance, especially noticeable at idle and under load. Considering the situation, I would strongly recommend running a full system scan using a comprehensive diagnostic tool. There should be fault codes stored in the engine control module (ECM) or other related modules that will provide more insight into the specific issues causing the misfires and CEL blinking. Given the complexities introduced by the car's tuning, it's crucial to use a scanner capable of accessing and interpreting all vehicle systems thoroughly. The youcanic full system scanner, for example, is known for its ability to diagnose such issues comprehensively.
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Part of this has me overly curious and wants to do my due diligence and run a compression check & bore cylinder 5. Bc truth be told if they come back good, id be inclined to reflash it back to stock ($200) and see if the issue was resolved. I sound like I'm acting out of desperation and being an "askhole", but I really just enjoy this wagon..... but not the extent of a new engine.
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2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500 (M113), 2004 Audi TT225 (BEA)
By the way, what tune does it have? Something custom or off-the-shelf? If flashing back is only $200, it might be worth a try in the interest of making a case for the return. However, that may not fix the cylinder 5 issue.
As others have said, maybe better to get out now. Not sure what you paid or if it was a good deal, but it's never a good deal if it doesn't run correctly.
Also, do some research on Mercedes. They are NOT typical of other European cars. Not sure about the turbo setup on the E63, but Mercedes likes using turbos integrated with the exhaust manifold, meaning a turbo upgrade may be harder than you think, if not impossible. I guess a custom exhaust header to accommodate a different turbo may work, but you'll have to ask the experts.
As others have said, maybe better to get out now. Not sure what you paid or if it was a good deal, but it's never a good deal if it doesn't run correctly.
Also, do some research on Mercedes. They are NOT typical of other European cars. Not sure about the turbo setup on the E63, but Mercedes likes using turbos integrated with the exhaust manifold, meaning a turbo upgrade may be harder than you think, if not impossible. I guess a custom exhaust header to accommodate a different turbo may work, but you'll have to ask the experts.
Last edited by JettaRed; Sep 27, 2024 at 08:02 PM.
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W212 MY'14 M276-3.5NA @75kMi
Any shop you talk to is gonna say....
Misfire is no big deal... Let us fix it - free estimate!
Sounds like a deal if you agree to inflated tab...
else it's California style:
re-assembly book-time for all the labor
minus zero-repair done.
...meaning "estimate" ropes you right in! 👏
The classic Cyl.5 is a sort of "foot in the grave" and since you have a good way out... don't do anything that's going to hurt your return process.
The former owner likely knewexactly what he was selling... there maybe a way to pull "service history" with the VIN...
Misfire is no big deal... Let us fix it - free estimate!
Sounds like a deal if you agree to inflated tab...
else it's California style:
re-assembly book-time for all the labor
minus zero-repair done.
...meaning "estimate" ropes you right in! 👏
The classic Cyl.5 is a sort of "foot in the grave" and since you have a good way out... don't do anything that's going to hurt your return process.
The former owner likely knew
Last edited by CaliBenzDriver; Sep 28, 2024 at 12:00 AM.
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From: Baltimore County, MD
'13 s212 63 p30. '06 LX470
Haha you spelled Baltimoron wrong
. Like Peter said, we want you to have to right specimen so that you can have the best experience. In many persons opinions, extreme tuning can be a dangerous affair with these cars. The biggest builds are re-sleeving their engines. That’s not to dissuade you though because these cars are ridiculously fast with just the right tune.
Theres are a ton of info in the w212 m157 forums and we can help with your questions. We love these cars and some of us love diy. Peter (the mbworld encyclopedia), Calibenz (great for diagnosis), Jetta, Kev, Cifdig (worlds fastest w212) are few names to keep an eye out for.
Getting a ppi, that includes manual (not digital) compression testing and boroscoping will save you in the long run. Everything else is easy enough.
Additionally I apologize if I’ve ever sped by you
, it’s very hard not to enjoy these beasts for what they are, truly one of the kings of the road.
Enjoy the search as that’s always part of the fun.
. Like Peter said, we want you to have to right specimen so that you can have the best experience. In many persons opinions, extreme tuning can be a dangerous affair with these cars. The biggest builds are re-sleeving their engines. That’s not to dissuade you though because these cars are ridiculously fast with just the right tune.Theres are a ton of info in the w212 m157 forums and we can help with your questions. We love these cars and some of us love diy. Peter (the mbworld encyclopedia), Calibenz (great for diagnosis), Jetta, Kev, Cifdig (worlds fastest w212) are few names to keep an eye out for.
Getting a ppi, that includes manual (not digital) compression testing and boroscoping will save you in the long run. Everything else is easy enough.
Additionally I apologize if I’ve ever sped by you
, it’s very hard not to enjoy these beasts for what they are, truly one of the kings of the road.Enjoy the search as that’s always part of the fun.
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Part of this has me overly curious and wants to do my due diligence and run a compression check & bore cylinder 5. Bc truth be told if they come back good, id be inclined to reflash it back to stock ($200) and see if the issue was resolved. I sound like I'm acting out of desperation and being an "askhole", but I really just enjoy this wagon..... but not the extent of a new engine.
Writing the codes for injectors is not related with the engine software tuned or stock. It's just a coding string into the eeprom part of the ECU
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'13 s212 63 p30. '06 LX470
You can also try another workshop, as maybe your technician delete all Injectors codes when he tried to write the #5 injector. This is quite normal if he use a Chinese diag system.
Writing the codes for injectors is not related with the engine software tuned or stock. It's just a coding string into the eeprom part of the ECU
Writing the codes for injectors is not related with the engine software tuned or stock. It's just a coding string into the eeprom part of the ECU
Its my opinion that these stuck number five injectors are closest to oil contamination and that in addition to an improperly indexed spark plug could cause excessive dripping of the the atomized fuel. The location close to the turbo is of concern for heat, but is not the only cause of failure. The coil pack and plug wire can be an issue here, but im still on stock coils that are doing just fine after replacing the wires on my STOCK pp '13.
Op, sorry we couldn't connect (I reached out but he is no longer in my area) but I stand my my statement of to return the car if you can. Dont chase this, especially with parts. Hopefully you have all parts that were replaced and that doesn't play into a difficult return. You may need to have someone get into the computer to prove the condition happened before you received the car.
Good luck
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So ive initiated the claims process through ebay and simultaneously set up a time to get the compression test, bore scope, and re coding the injectors to be sure nothing got booted in the process, as mentioned by one poster.. I am doing this because as I mentioned the car had ran great prior to the injector re coding. I don't mind saying farewell to it, but if I am being honest it'll be bittersweet. I overly optimistic personality is getting the best of me with this situation. Again, thanks for all who have input.
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'13 s212 63 p30. '06 LX470
PLENTY of great cars out there and you will find an even better one. They made many more of the facelift 212amg than previously since it was popular. Sure, the issue could have happened on your watch but that the beauty of the warranty as well as the need to see when a cylinder five misfire was first detected and whether it was in the timeframe of the previous owner. Since it was not cold or plugs, it likely was the injector, and that would cause very fast damage that the PO may have bandaged and failed one week after you drove it, possibly chasing a cycle of repairs. Im not sure if you've tried to snoop around the net for the previous owner and any mentions of this happening.
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W212 MY'14 M276-3.5NA @75kMi
I think this past eBay experience begs the question:
HOW/WHERE TO FIND QUALITY USED CARS NOT ABUSED?
I custom ordered mine so I don't know where to find the real gems...
Aren't Lexus/Tesla dealership best place to pickup a Benz with 3Mo warranty?
Carmax and the likes with CPO coverage to not get stuck with oiling defects
HOW/WHERE TO FIND QUALITY USED CARS NOT ABUSED?
I custom ordered mine so I don't know where to find the real gems...
Aren't Lexus/Tesla dealership best place to pickup a Benz with 3Mo warranty?
Carmax and the likes with CPO coverage to not get stuck with oiling defects
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e63s
So I ended up completing that compression test. Cylinder 5 was @90 psi. While the others on that bank were around 140-145. Safe to say that I will be following through with the return. I wonder if the previous owner had the specific misfire code "coded out" whenever he had the tune done? Bc it wasnt until I sensed the delay at idle that prompted me to look into it. "Coincidentally" when brought to his attention, he sent me over MB extension for the p0035 followed by telling me to take off the intakes before bringing it in...Smh.
MBWorld Fanatic!
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From: Baltimore County, MD
'13 s212 63 p30. '06 LX470
So I ended up completing that compression test. Cylinder 5 was @90 psi. While the others on that bank were around 140-145. Safe to say that I will be following through with the return. I wonder if the previous owner had the specific misfire code "coded out" whenever he had the tune done? Bc it wasnt until I sensed the delay at idle that prompted me to look into it. "Coincidentally" when brought to his attention, he sent me over MB extension for the p0035 followed by telling me to take off the intakes before bringing it in...Smh.
No worries now though, on to the next one. If any problems arise, hit us up before spending any money. Spend the money on a ppi, or if committed, an mb scanner to help you read the car before buying.
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Quick update on this. I filed an ebay claim while simultaneously dropping it off at the dealership for them to see if the P030085 was covered under the warranty extension. Come to find out my car was being affected and I am getting a whole new revised cylinder head, thank God! Super thankful that I remained optimistic about the whole situation. I've authorized them to change out the turbo coolant lines and the engine & trans mounts while the engine is out. Super stoked to get the car back in hopefully a week or two. I encourage anyone with that warranty extension and with the P030085 code to visit their nearest Benz dealer.
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2014 E63S; AMS 100 octane ECU dyno tune; EDOK TCU tune; BB intakes; sprintbooster
How much has the car cost you so far? Including the lines and mounts you'll be paying for and all the diagnostics?
$2000
$200
$cost of the car
$turbo lines and mounts
how has eBay compensated you for these so far - if at all?
if you feel whole, then I'm happy for you. I think the best answer for most people in this same situation is send the vehicle back to eBay and get your cash back. Nonetheless I hope your perseverance pays off and you can now enjoy this car. The car has several Achilles heels regardless (once tuned or not) so whether these issues were present or not on delivery, you'll still need to stay vigilant about maintaining it.
congrats.
$2000
$200
$cost of the car
$turbo lines and mounts
how has eBay compensated you for these so far - if at all?
if you feel whole, then I'm happy for you. I think the best answer for most people in this same situation is send the vehicle back to eBay and get your cash back. Nonetheless I hope your perseverance pays off and you can now enjoy this car. The car has several Achilles heels regardless (once tuned or not) so whether these issues were present or not on delivery, you'll still need to stay vigilant about maintaining it.
congrats.
Last edited by PeterUbers; Oct 9, 2024 at 10:36 PM.
