How to prevent damage to your ECU | Mercedes oil leak |
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- čas přidán 6. 03. 2023
- Mercedes Benz oil leak - prevent a possible $10,000 + damage to your wiring harness
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Camshaft adjuster magnet
Cam adjuster magnet
Camshaft position sensor
Cam position sensor
Mercedes has been using the same solenoid and position sensors on their camshafts for many years. So, if you bought solenoids or sensors 10 years ago, they still fit your newer Mercedes.
M133, M139, M157, M177, M256, M260, M270, M272, M273, M274, M276, M278
List of cars affected by this issue
2011 - 2014 CL550
2011 - 2014 CL63 AMG
2011 - 2017 S63 AMG
2012 - 2015 C350
2012 - 2015 ML350
2012 R350
2012 - 2016 SLK350
2012 - 2016 E350
2012 - 2018 CLS550
2012 - 2017 S550
2012 - 2017 E550
2012 - 2014 ML550
2012 - 2014 CLS63 AMG
2012 - 2015 E63 AMG
2012 - 2015 ML63 AMG
2012 - 2016 SLK55 AMG
2013 - 2014 C300
2013 - 2015 GLK350
2013 - 2018 E400
2013 - 2020 SL550
2013 - 2016 GL450
2013 - 2016 GL550
2013 - 2019 SL63 AMG
2013 - 2018 G63 AMG
2013 - 2016 GL63 AMG
2014 - 2016 E63 AMG S
2014 - 2018 CLS63 AMG S
2014 - Current CLA250
2014 - 2023 CLA45 AMG
2015 - 2017 CLS400
2015 ML400
2015 C400
2015 - 2016 SL400
2015 - 2017 S550e2016-2019 AMG GT S
2015 - 2020 C63 AMG S
2015 - 2023 GLA250
2015 - 2023 GLA45 AMG
2015 - 2018 C300
2016 - 2019 GLC300
2016 SLK300
2016 - 2018 C350e
2016 - 2020 C63 AMG
2016 - 2018 GLE350
2016 - 2019 GLE400
2016 GLE450 AMG
2016 C450 AMG
2016 - 2018 GLE550e
2016 - 2019 GLE63 AMG
2016 - 2019 GLE63 AMG S
2017 - 2019 GLS450
2017 - 2020 SLC43 AMG
2017 - Current GLC43 AMG
2017 - 2019 GLE43 AMG
2017 - Current C43 AMG
2017 - 2019 E43 AMG
2017 - 2020 SL450
2017 - 2019 GLS550
2017 Maybach S550
2017 - 2019 GLS63 AMG
2017 - 2020 AMG GT
2017 - 2018 G550 4x4
2017 - 2020 SLC300
2017 - 2019 E300
2018 - Current GLC350e
2018 - 2020 AMG GT R
2018 - 2020 AMG GT C
2018 - 2020 E63 AMG S
2018 - 2020 S560
2018 - 2020 Maybach S560
2018 - 2020 S63 AMG
2018 - 2020 GLC63 AMG
2018 - 2020 GLC63 AMG S
2018 - 2020 S450
2019 - 2020 G550
2019 - 2020 G63 AMG
2019 - 2020 AMG GT 63
2019 - 2020 AMG GT 63 S
2019 - 2020 E450
2019 - 2020 S560e
2019 - Current CLS450
2019 - Current CLS53 AMG
2019 - Current E53 AMG
2019 - Current AMG GT 53
2019 - Current A220
2020 - Current A35 AMG
2020 - Current CLA35 AMG
2020 - Current GLB250
2020 - Current GLE450
2020 - Current GLS450
2020 AMG GT R Pro
2020 GLS580
2020 GLE580
Current GLE53 AMG
Current E450
Current AMG GT 43
Mercedes Benz sacrificial harness
Mercedes Benz camshaft adjuster magnet harness
Prevent damage to you car
Prevent damage to your harness
Mercedes problems
Things to know about your Mercedes
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Prevent Mercedes Benz issues
Mercedes Benz oil leak
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Josecitomarin
Jose
#camshaft
#leaks
#mercedesbenz
#leak
#harness
#pigtails
2017 Mercedes s class
Mercedes S class
m157
s klasse - Auta a dopravní prostředky
Jose, thank you for your advice! I just ordered these harnesses for my new sensors.
Thank you so much for your comment. I’m glad I helped. Please make sure you see my other videos. And if you didn’t do it yet. Please subscribe and like
@@josecitomarin Will do!
@@terrencebridges7398 thank you Terrence
Thank you for that!
No problem. Thanks for your comment
Very helpful videos you have on the s550. Thank you as I’m in the process of getting one
Thank you so much for your comment. What year are you looking to get? Make sure you see my video in what to look for when buying a car
@@josecitomarin 2015 s550. I looked at one and what stood out to me the most was a rather noticeable ticking/ light rattling coming from the v8. As I’m not familiar with Benz and the m157 i wasn’t sure if this is Normal for Benz. I expected the engine to be very quiet and rather still while running.
I also believe that it definitely had two bad motor mounts. The car did ride well however its mileage and age did show a little
Vin # WDDUG8CB5FA106476
@@mrbeatty13able yeah there is a little ruttle. Try to go for the M278 and if you can get a 2017. The last of its generation. And not too high in mileage. Also look at lastvin.com for all the features.
@@josecitomarin man I really appreciate your feedback. Thank you
@@mrbeatty13able no problem. Let me know how it goes
jose, i ordered these as preventative maintenance for a 2015 ml63. well, when i went to install them, i discovered that the oem harness connectors for cam shaft position sensors were already full of oil. i sprayed connectors and harnesses with contact cleaner, allowed to dry, before i installed the sacrificial harnesses. thank you much for creating this video. hopefully, i averted any long-term damage.
Thank you so much for your comment. I’m glad you got it. Make sure you replace those position sensors. They are going to continue leaking.
@@josecitomarin so, the oil is coming through the sensors?
@@damytzeus yes. And the same thing happens with the solenoids. So check those too. Did you see part one of the video?
@@josecitomarin yes. i watched part one and i ordered and installed the eight sacrificial harnesses for solenoids and camshaft. now, i'm ordering four solenoids and four camshaft position sensors. thank you much!
@@damytzeus great. I’m glad you are doing it. This may also be a good time to do the pulleys and tensioner. Most of the stuff will be out of the way
I need to get mine. Thanks Josecitomarin
Definitely get them. Thank you for your comment
Regarding the connectors, you pull the white clip out and the push it down to remove it. Sometimes it is a little hard and needs to be pushed down firmly.
Thank you so much for the tip
@@josecitomarin yep. Be careful broke two on each of my cars. Luckily if you break the white piece you can use something sharp to sort of manually lift the black plastic clip opposite end of of the white clip that may break. Still locks in place too.
Nice! good to know
Thank you so much
So I got my 4 cam position extension harness today. Immediately I went to work get them installed. Two on driver side were very easy access and one on passenger side was also easy. However, the other one passenger side was a real pain to access! It was located directly underneath the air intake tube. Had to losen the air intake tube held by one screw and carefully pull up and to the side. There was a O-rign that help to hold in place the air intake in addition to the screw. Even with that moved out of the way there was very little space. But I was able to install the extension. I carefully inspected each OEM extension for any sign of oil leak before connecting the extensions, and all 4 of them were bone dry. Now here it gets interesting, after installing the cam position extensions and turning the vehicle on a check engine light came on. I checked make sure connections were solid and still engine light stayed on. Immediately I removed all 4 cam position extensions and re-connected everything way it was before. Engine light did not come on. I checked the extensions I got from ZZPerformance and they seemed perfect. So at this point I'll just settle for the MB cam solenoid extension harness I previously installed without any issues.
Thank you so much for sharing your experience. One of those connectors must be broken, or one of the pins is probably broken and not making a connection. I’m glad your wires are dry.
@@josecitomarin I contacted ZZPerformance about the issue. Hopefully they will come up with a solution. For now everything working fine and most importantly no check engine light.
@@joea1746 I am sure they will take care of it. I just sent them a message as well. I told them your name is Joe. If you want give me more info so I can tell them exactly who you are. If you want email me your info josecitomarin@aol.com
@@josecitomarin Thank you so much for your assistance. I sent you an email with information. Again, thank you!
@@joea1746 any time
Great video as with your others. So detailed and helpful and I'll definitely taking this preventative maintenance.
Any thoughts on a good way to see if this an existing issue - would it help to unplug the sensors and inspecting the plugs for oil? How about unplugging the ECU and making sure those are dry? Just thinking about damage control before check engine light etc... My thought is to unclip the various plugs, clean, and add the pigtails/change the sensors (x8) as a complete remedy. Thanks!
Hi. Thank you so much. You can check the plugs it will help you. Clean them while you are at it. Also make sure you get 4 and 4 they are different. 4 for the solenoids and 4 for the position sensors. Also check bellow the sensors en solenoids for leaks. If one of them is leaking I would change all of them, at least that is what I did. You can see the replacement of the sensors and solenoids on my videos as well
@@josecitomarin Hey Jose- I'm into this job currently, and when I removed my turbo inlet pipe, there's some oil sitting at the turbo inlet. While unrelated to this particular job, I was just curious if you've heard of this happening. I haven't removed drivers side yet to check that side. Thanks
@@JamesP-lp5do hey thank you for your comment. It’s normal to find a little bit of oil in the duct.
Thank You. 14 e550 cab with 70k. So far no oil in connectors. Swabbed with Qtips yesterday. Nothing.
But will buy both kits.
Thank you so much for your comment. Great, no oil. I’m glad you are taking care of it.
Jose,
Mercedes for purpose made OEM ext. harness for magnets and did not do
for position sensors. New OEM camshaft position sensor do not need
extension- it has build in protection- just replace it.
Install only OEM harness ext. for magnets,
it has build in protection.
All aftermarket extensions do not has any protections.
Thank you so much for your comment. In reality even the oem extensions do not give you 100%protection. They are only buying you time so that your electronics don’t get damage as quick as they would. So you can choose to put this extension so that you can have some extra time because nobody is looking at their engine every day for leaks. If the sensors or solenoids are leaking, definitely replace them immediately even if you have extensions on. And if the extensions are wet, even just a little bit, change them as well.
hi Jose. Thank you so much for these awesome videos! Very well explained and done:)
Quick question, the oil that can or is leaking into the sensors and magnet connections, is there a specific place oil comes from usually? It looks like the oil cap is leaking and wondering if this and/or the rubber piece around the cap need replaced? Or another place you’ve seen leaks to get oil in them all…. Again awesome job and much thanks
Thank you so much for your comment. The fault is inside the sensors. It lets the oil through and into the wiring.
Another Great video... have you done the camshaft magnet too
Yes, they are all done. Thank you
Do you know if the same connectors shown in the video work on the camshaft magnets, too?
@@seans9125no, one is a 2 wire, other is 3wire..zzp kit sells both
Great video as always.
I got my 4 Camshaft sensors replaced a year ago when I got engine light and they had oil. 2 weeks ago I installed the sacrificial connectors. I noticed 1 on them had oil on it. Cleaned with electrical spray and installed the cables. Should I be concerned about it since I installed the sacrificial cables or drive as normal and replace the cable when needed? Its driving perfectly without misfire or engine light. Just worried about one of them where I saw some oil.
Thank you so much for your comment. I would keep an eye on that sensor. It may have to be replaced again. These sacrificial harnesses are to protect you while you change your sensors.
Hi great use full video.. I got question...I'm looking to buy CL 550 2013 model...No more then 70.k miles done..M278 Engine suffer from bore scoring issue as well...Do you have any advise how to prevent that or that was only with 2011 models...?
Hi. Thank you so much for your comment. I think the problem with the bore scoring with M278 was resolved in 2016. But I have seen cars with that engine last a lot longer than 70k miles. So just take good care of your car, do the maintenance more often than recommended. At least that is what I do with my cars and never had a problem. Hopefully they have a good record of maintenance on the car you are getting.
Would you be able to make a simple video telling me what the proper levels are for both coolant reservoir. I can’t find any good information about the coolant reservoir that is underneath the cover in the center of motor. Both m257 and m157 have same coolant design I believe. Thankyou in advance
Thank you so much for your question. I will definitely work on it.
Hey k just put the extensions on today when unplugging a couple of them had very little wetness on them should I be worried about that?
Thank you so much for your comment. I would replace the sensors. At least where you found wetness. Did you clean the wires?
Thank you for the amazing video! Will these plugs also work for the m157 engine? @josecitomarin
Than you so much for your comment. They do work for your m157 as well.
Jose, what you thinking about disconecting oil pump solenoid to increase oil pressure from 2 to 4 . Many believed it will increase
resuorse of the engine. More oil better. ?
Hi. Thank you so much for your comment. I am not really a fan of doing any kind of modifications to my car. The sensors are there for a reason. It’s like going backwards. Back in the days everything was just mechanical. Now we have sensors that help out engines on all its mechanicals work at its best.
I’ve seen people leave that off and the VVT off for performance purposes. As I said. I don’t like to do any modifications to my car, even if they appear to be that minimal. They will throw codes, and to keep the codes off you have to do more modifications. So, personally I won’t do anything like that. But it all depends on your personal application.
All this sensors help us with MPG, HP and emissions. Too much oil or low pressure oil will definitely have an effect.
Thank you for reply. You probably rite. @@josecitomarin
@@arman50a no problem
Do we only need to replace these or are there a lot more parts to replace? Do we need to replace the solenoids too?
Are these extensions just so that the damage will hit these extensions which are cheap to replace?
Thank you so much for your comment. If your wires are wet. Change the solenoids and position sensors as well.
The pig tails are supposed to hold the oil back for a little bit of time before it gets to your main harness. So if they get wet, change the solenoid or position sensor again
Thank you
I wonder if you know anyone in California that could help me replace those, 2013 SL 550
Appreciate any feedback..
Thank you so much for your comment Charles. You should be able to get them online. Unfortunately I don’t know anybody in California that could do that for you.
Where in ca r u located ?
@@youngjung4361 I am in NJ
Sorry I was asking to OP
Can help
Thank you, I have two impacted Mercedes. I'm going to order these parts before something bad happens. What I don't understand is why adding this extension prevents the issue from happening? Can you explain? Does the new plug have better insulation or something?
Thank you so much for your comment. I’m glad you are taking care of it. From what the engineers explain. It is the wiring it self that allows that oil to travel though the entire harness to the sensors and computer. It’s the type of wiring used. The wiring is great, there is nothing wrong with it, but if it gets wet it will allow for the oil to continue traveling though it. So they made this pigtail that has a different type of design, not letting oil to pass thought it as fast as the original wiring.
We have to continue monitoring the pigtails as well to make sure they are not getting oil, because if they get very saturated they can still let oil pass through, just not as quickly as the original wiring would.
Two of my solenoids starting leaking right after I installed the pigtails so I decided to replace all 4 solenoids and all 4 position sensors.
Make sure to watch those two other videos as well.
Welp thanks to you I checked my S550 Coupe and GL550. The GL had two leaky camshaft position sensors and the coupe had one. Nothing excessive but thanks to your video I caught it early enough. I ordered the pigtails and already replaced the leaky sensors. Life saver! I set a calendar reminder to check them every 3 months. Surprised there isn't a class action lawsuit. Why not build a better sensor that doesn't leak?
@@DerrickSderrickisONLINE I’m so glad my videos are helping.
I guess that is when planned obsolescence kicks in. As long as it’s under warranty, Mercedes will change even your engine if they had to. But most thighs go bad right after warranty expires just like anything else.
@@JerelLorenzo what was your experience with them?
If you get a leak, after replacing the solenoids or the position sensors you have to replace the pigtails as well. They help slow it down, they do not stop the oil from getting to the harness. For me totally work the 10 bucks each
@@JerelLorenzo Figures
Good evening Jose, I own 2 2016 GL’s, one is a 550 the other GL63 AMG and a 2012 S550. Will this harness and the harness from video 1 work on my vehicles?
Thank you so much for your comment. The harnesses do fit your cars. They fit a great variety of years and models. You can also double check for fitment on the FCP euro website.
@@josecitomarin the harness to the Magnet and the position sensor look the same. What are the differences, aside from one being Mercedes for Magnet and the other ZZPerformance for position sensor?
@@Haloarmando69 the ones for the camshaft are 2 pin and the ones for the position sensors are 3 pin. They look alike but they are not. Just to make sure unplug one of each and you’ll see the difference
@@josecitomarin sounds good. Glad I came across your videos. Keep sharing MBZ knowledge, I’m sure it’s helping many DIY individuals like myself and saving thousands of dollars.
@@Haloarmando69 thank you so much. I am thinking on another video
👍🏻👍🏻👍🏻👍🏻
Thank you
Wait I thought you put 3 of them on in the last video? What are these
Thank you so much for your comment. I actually installed 4 in part 1. One per solenoid. On this video I installed 4 more, because we have 4 position sensors. And they are located right above the others
Do you know where to buy these extensions for w166???
Thank you for your comment. I believe it’s the same but double check with zzperformance
Does this harness fits 2013 E350 or I gotta get different one?
It’s the same
I am told my harness needs to be changed, how can I tell if it’s true or wrong.
If you got a lot of codes, you probably got oil on the computer and that is why they have to replace it. But double check. Unplug the computer harness and check if there is any oil. If you don’t have any codes then just replace solenoids and position sensors. Also install pig tails
What does cause an engine code
Thank you so much for your comment. That is the issue, there is no code to tell you that there is an oil leak, so you just have to get in there and check the solenoids and position sensors for leaks.
How come when I try to order for my 2015 W222 it says part does not fit but your car is exactly what I have 🤔
Thank you so much for your comment. It should fit. They use the same position sensors and solenoids.
@@josecitomarinyes you are correct I did contact them and they confirmed it will fit. Keep up the good job you doing with these videos!!!
@@sergeytatintsev310great, thank you so much
Where is bank a1 located at on the engine
Thank you so much for your comment. If you are in front of your car looking at the engine, it’s on the front left side.
@@josecitomarin thank you so much love all the videos they help me with my w222 you haves saved me a lot of money
@@flawlessautooptions8333 No problem. I am glad my videos are helping.
Does this also apply to the S63?
Thank you so much for your comment. Yes it does!
@@josecitomarin Thanks, I just looked a few days ago and I had oil on some of the plugs. Ordered the sensors and sacrificial harnesses. I’ll check them on every oil change.
@@morsecode5447 make sure you see part one also and take care of those sensors as well. Glad you found it on time!
@@josecitomarin Yes, I’m doing both types of sensors and wires. I also had oil in the furthest coil pack plug on the passenger side. I’m assuming by fixing the other stuff, oil won’t travel to it anymore.
@@morsecode5447 great. Make sure you clean it all up. Please watch more of my videos and subscribe if you haven’t already
Is 2018 S450 affected also by this ??
Thank you so much for your comment. Yes sir. It is affected. The least affected cars are the 4 cylinder cars. Even though the C300 uses the same exact solenoid as the S550 or S450. But they all have the same issue.
czcams.com/video/QA_nhW-4fRA/video.html Thanks Jose for another great video. Did what you just do your video to prevent the problem in the video on the link? Does your car have oil leak like the one in the video on the link?
That is a good video and a good example. I actually don’t and didn’t have any leaks when I did it. I did it to prevent just that. Later on when I did the solenoids I found a little leak under one of them. Take a look at that video when you get a chance.