Mercedes C300 W205 Spark Plug Replacement
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- Опубліковано 2 чер 2024
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Correct gap is 0.028 for w205
0.032 is for w204
Your vids are very good and detailed. I have a w205 c class as well and I have done all the work myself for the first time and learned from you. Good job!
Awesome! That is what they are here for
Had a blast making this one for sure! 👍
Until the next one!
I use a short piece of silicone hose to feed the plug down into the well and hand tight. Super cheap and easy
Thank you for all your videos !!!
Thank you for watching them!
Keep the videos coming on the repairs 💯💯💯💯
Thanks! I have a bunch of them already up! Front brake pads and transmission fluid coming soon!
Instead of a paper towel you can also use one of them extending magnet reacher tools. Thanks for the video, it helped me do mine easily
That’s a great idea! I was just showing a way to do it without pimping a fancy tool or being gimmicky
I was just looking at doing this, this is so helpful 👍 could you do a video on a coolant change on this car too please
I’m a firm believer that unless you have a leak or have poured some kind of stop leak into your coolant, there is no reason to change coolant. I think this is snake oil and just another way that the manufacturer gets your money.
Hey, love your videos man. Any issues with your c300? You should make an updated video about reliability issues. Thanks!
Will be doing the spark plug change here shortly as we're coming up on the 5th service. Dealer was quoting me around $500 to do this...lol. Insanity, especially for someone like me that's been wrenching on motors all their life. I think other than the plugs, it's oil change and engine air filter. Great stuff man! Definitely learn a lot from watching your videos.
They quote me with 600 spark plugs and air filter. I say to me ,really ?
@@capricornio9343 we got rid of the car after they tried to charge us $6K for the drivers side headlight which ended up being covered under certified ore owner warranty. Had I not ran the codes myself and argued, they were perfectly fine charging me the $6K. Was a nice car, but not worth it to keep.
@@ChristianGrest MBz dealers they charge me 1400 for replacing a fuel line and other basic inspection they say,and when I drive my car ,the bottom cover rattling,it’s insane the cost for the labor , and yeah probably I trade my for a Toyota
Good vid. Thank you.
Thanks so much! Hope to see you around the channel
There is a 14mm spark plug socket, been using one for years on BMW and Mini
Been waiting for this video. Thanks!
No problem! Cabin and air filters coming soon as well as transmission service.
@@TheDurbinCompound awesome! can't wait
Great video! How often do you need to change the spark plugs for C300 W205?
Every 40,000 miles
Thanks for the video. I am wondering where you got the gap spec for the plugs? I changed mine at 55k miles and measured 0.028" on the old ones and the new MB came gapped at 0.028", so I kept them as is out of the box and it runs great. Your metric torque "nano meters" should be Newton-meters.17 ft-lbs is 23 N-m. I don't know how you were able to get the back coil pack off without loosening the black electrical module mounted on the top of the engine- even doing that, it was very tight. The paper towel trick works in a pinch, but it was difficult and it wiped off the diaelectric grease from the insulator- which I recommend applying to keep the rubber from sticking to the plug insulator.
Nice info, I’m a half cocked mechanic i think i can pull this off 👌
You can do anything you put your mind to!
I have been looking at your channel for a few times and have subscribed, Always willing to support fellow Veterans. I have a GLC 300 4matic 2018 and looking to do the same. I am also wanting to do a service to the transmission and have watched many different versions of the proper draining and filling, my questions is as follows: Do I need a special kit to drain and fill the transmission? The oil sump on this car has the filters attached to it ( 2 filters) and the pan or sump has to be replaced. Just checking to see if you have any information on this type of transmission. Thanks in advance and thank you for your service to this great Nation. HOOAH
do ever mention mileage for this stuff in any of your vids? seems pretty important. never talked about
transmission fluid change video plz.
In the near future!
For real lol
Did you need to undo any other tubes, connectors, and/or compartments in order to get to the 2, 3, 4 spark plugs? It looks like there are some clearance issues as things are on the way of 2, 3, 4 coils.
I did not remove anything more than the coil pack as shown in the video
Hello
Thanks for videos
Car came to me with missfire in cylinder 1..the fault was the spark plug... After repleaced all 4 with new from dealer car won't start even when i install the old spark plugs....
Then when i put spark plug in ignition coil and put it out of engine ...car start..
You know the problem.. ??!
Car c205 300 petrol 2016
Thanx again
I think the guide is on removing the spark plugs is fairly good.
The not so good. 14mm spark plugs are very common for direct injection engines and cheap. Additionally these spark plugs are indexed (electrode position matters) in direct injection Mercedes-Benz cars. The washer and correct torque should result in the correct indexing of the spark plug. Using grease to prevent corrosion, while a good idea for helping the next removal of spark plugs, changes the torque value. In effect the lubrication from the grease results in over torquing the spark plugs. Di-electric grease should be added to the inside of the coil over boots to prevent sticking on the next spark plug removal.
If the coil over boots are stuck to the spark plugs, you could try to remove them warm. Just "never" remove or install the spark plugs unless the engine is dead cold (multiple hours after running), as the strength of the aluminium is significantly reduced while hot and you are likely to damage the threads on the head.
Any difference on performance after the change ?
14mm spark plug sockets are actually pretty common in the UK and in Europe
Almost everywhere, 14 mm plugs are getting very common
I have a 2013 c300 4matic flex fuel . Does it make a difference in spark plugs if you put in gas coils n spark plugs ? Or does it have to be specifically flex fuel spark plugs n coils .
Nice
Is this a c300 4matic w205? or are the spark plugs the same on the 4matic version and the RWD version?
More specifically this is an M274 engine. So if you have the same engine platform, that is a better way to look at it. I think it was the same engine in both variants but I’m not completely sure
Lấy ống nhựa 8mm .quấn sợi dây thun ngay đầu ống.lấy bugi ra không mở hết .khi gắn ống vào đầu bugi xoay nhẹ ngược chiều kim đồng hồ lấy ra dễ hơn.lúc ráp vào cắm bugi mới vào đầu ống.xoay theo chiều kim đồng hồ.vừa nặng .lấy tuýp siết chặt là ok
I heard anti seize on threads affect torque and thus it might overtorque and ...
Correct. It is considered a wet tongue.
When should you change your spark plugs? Every 10,000km?
40,000 miles or 70,000 km
is it the same process for W204 C300 (2014)? thanks
Yes
I got a po301 code, hopefully this will fix my issue
Fingers crossed 🤞
Are they pre-gap when you bought ? and anti -size ?
We found that 3 of the 4 plugs needed gapped by us to the proper spec
I made my own sparkplug rubber for 14mm to pull it out the engine. with my 3d printer. I used tpu. If you need the stl file you can ask me, its for free;)
Do NOT use anti-seize compound on shiny plug threads because the anti-seize changes the torque amount
Yes, it’s then considered a wet torque. For an application such as this, wet torque won’t throw us off that far to hurt. The anti-seize is definitely necessary to prevent dissimilar metals from corroding.
@@TheDurbinCompound i have a 2019 GLC 4matic and am told the spark plugs need to be indexed and that the proper torque is very important to prevent engine damage.
@@TheDurbinCompound I agree my father used the same antisieze in the 90s for his GMC V8s not using them on the old school spark plugs called for a really bad porcelain day
Ở Việt Nam 4 bugi 50usd.lấy ống nhựa dẻo 8mm lấy bugi ra ngoài rất dễ.
Absolutely NO antiseize on this specific spark plug. Those are indexing spark plugs that's why 17 ft-lbs is so important. Of course the argument will be that your engine still runs but it's not right. The plating on the threads is actually antiseize on those plugs. You can check with NGK.
I just replaced the plugs on a W205 with about 30,000 miles on it because one of them was misfiring from time to time. NGK makes these plugs but they also make a lot of faulty ones! This is the second time in my experience with all brands of plugs on many vehicles when one misfired, quite prematurely, both times NGK plugs! I thought the plugs were going to break - I must have had to use at least twice the torque they are supposed to be torqued to, to get them out! Once out, there was plenty of carbon on all of them; the back three had half of the threads rusted quite a bit. Anti-seize compound helps prevent rust on the threads and to get the plugs out the next time they need replacing. What will you do when they seize in place with rust! Pay to have the vehicle towed (probably far away) to get the openings rethreaded at a specialty shop or just replace the engine (as I have read someone did)? Good luck with your approach! FYI, a thin coating of dielectric grease on the coil pack boot also helps slide the boots easily on and off and improves electrical conductivity at the contacts.
@@franklopes3648 There is a coating on the plugs that will keep them from seizing in the heads. I was a Mercedes Benz Tech at two dealers and have owned a repair business for almost 17 years. 21 years of servicing MB vehicles, replacing thousands of spark plugs on them and have never had one seize in the head for the reason I mentioned. Carbon is clearly not the same as rust. If you are experiencing excessive rust on the threads, there is moisture getting in there somehow. I just did a 2014 E350 tune-up yesterday, with a 136K miles and the plugs came out with no problems. Anti-seize will throw off the torque spec and you will create bigger problems.
@@marcsmith3881 There was plenty of rust on about half of the threads on every plug that I pulled out after only 30,000 miles, that is the reason it took so much torque to get them out. It definitely was not the carbon on the electrodes that caused that! May I suggest you keep doing what you have been doing and I will do what I have always done which is use anti-seize compound to get those hard to get plugs out? I have never had any problems with any plugs coming loose on account of any anti-seize compound. But I have heard horror stories from mechanics in whose hands spark plugs broke and then they had to send the disabled vehicles by tow to specialist shops to get the engine slots for the plugs re-bored at great expense! Yikes!
@@franklopes3648 Just because you have done it that way doesn't make it correct. I would suggest reading Mercedes information on WIS if it's available to you or Alldata. The spark plugs on the newer engines are indexed. If you do not install them properly, there will be carbon build up over time and it will cause problems in the future that will be difficult and expensive to diagnose. I can assure you that you didn't hear those horror stories from MB techs. Almost all of the engines we pulled out of MB vehicles were due to owner error. Nothing is more dangerous or expensive than old mentality on new technology.
@@marcsmith3881 I have had more problems with work done in dealerships than I have ever had with the class A mechanics you disparage, bud. Is the carbon build-up you refer to like the carbon build up I found on the ones I just replaced at 30,000 miles that came from the factory? I have replaced others that had less carbon build-up at 60,000 miles! So much for your argument! Clearly, technological developments that bring us new designs of spark plugs are not what they are cracked up to be, are they? Why are these new designs not delivering like the old ones in terms of longevity? Could it be the financial interest of the producers being put ahead of those of the end user? And you are being asked by an engineer!
I have 2015 c300 regular . I don’t know it’s w205 or w204 how can I know check that?
W204 is the older body style. Ended in 2014. W205 is the new body style 2015-2019.
TheDurbinCompound thank you.
TheDurbinCompound How much you charge to replace spark plugs . I don’t have tools .
Wait do you need to reset a code or ?
For spark plugs? No
Gamer boy 80 says wassup guys gamerboy80 here
Do you still have the merc?
Yes, just performed service BH
@@TheDurbinCompound your videos have helped me alot with my c class, thanks a lot man.
💪🏻💪🏻
LMAO "nano meters of torque"
Actually, the guys name was Newton
And no anti-seize these days as threads are electroplated. More dangerous, torque must be reduced on lubed threads or you could strip the aluminum head.
Good video, but you need to update your skill set fellows. There is a 14 mm spark plug socket. I have one that I purchased for a BMW, thin walled, 14 mm that has small springs on the inside and holds the plug perfectly to take out the old ones and put in the new ones. There is no need for long nose pliers or paper towel scraps, or any of the aggravation associated therewith. :-)
This video is intended for someone who is doing it themselves without the need to buy the speciality socket. Yes, I have the SnapOn socket and it is sweet but not everyone has access to the truck or wants to order the speciality tool.
@@TheDurbinCompound There is no need to go to the exorbitant prices of Snap-on. These sockets can be had for a small fraction of the Snap-on branded ones - a few dollars! Let Google be your friend!
I hear you there! My videos are geared toward getting the job done without the speciality tool. Nothing I hate more than a video that starts with “you will need to go order or get this tool before you can easily do the job”
😎🍻🍺
Spark plugs are pregaped and there is 14m sockets everywhere
It's not a sandwich! NGK does not recommend putting anything on the thread.
Try a rubber hose….
NEVER use a feeler gauge to check a spark plug gap
Tell me more….
Hey James, we are still patiently waiting on a response! Please teach us how you check spark plug gap!
Those iridium spark plugs after you gap them like that are garbage, you can throw them in the bin 🤣🤣🤣🤣
way too much anti seize on those plugs, and you don't even need the anti seize, since the plugs should be changed every 40,000 miles and they will never be seized up
This is correct ,besides to much anti seize could heat up temperatures in that cavity and cause problems
Plug: SILZKFR8H7S
Nano Meters ????? Newton meters Guys
- Anti-seize on these plugs....NO
- Didn't blow off/clean the hole before sitting new plugs....No
- And huge torque wrench to tighten 17 ft-lbs....big NO..
I appreciate the effort of making a DIY video but please make sure you know what you're doing. Amateurs will follow and one of those will make a bad mistake on their engine.
Way to be original with “what’s up”, we are all clapping for your outdated ass.
So you spend a lot of time in court with mercedes? "Can't tell me I didn't do oil at exactly at 4:21 on 1.12.19 with spec jomom" I was service manager for years and we never went through a single log book. Good to have for personal use but you're not going to end up in court over a short block unless you obviously did something wrong.
Yep pretty much personal use! Always cover your ass!
Man ur videos is hella long just go straight to the point please less chatty