How To Replace An Intake Manifold On A Mercedes C300
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- เผยแพร่เมื่อ 10 ก.ย. 2024
- Brian Eslick from How to Automotive www.howtoautomo... takes you step-by-step through the process of replacing the intake manifold on a 2008-2014 Mercedes C300 W204.
Affiliate link mentioned in the video for Mercedes-Benz Engine Intake Manifold Pierburg OEM 7.00246.33.0 / 7.00246.26.0 / 2721402401 With Intake Gaskets amzn.to/2FTQE2L
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Owing to factors beyond the control of How to Automotive/Brian Eslick, it cannot guarantee against unauthorized modification of this information, or improper use of this information. How to Automotive/Brian Eslick assumes no liability for property damage or injury incurred as a result of any information contained in this video. How to Automotive/Brian Eslick recommends safe practice when working with power tools, automotive lifts, lifting tools, jacks and jack stands, electrical equipment, blunt instruments, chemical lubricants, or any other tools or equipment seen or implied in this video. Because of factors beyond the control of How to Automotive/Brian Eslick, no information contained in this video shall express or imply warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or information contained in this video is the sole responsibility of the user and not How to Automotive/Brain Eslick #HowtoAutomotive
John from England
Exceptional piece of video, others should watch to see how it should be done.
I replaced the inlet manifold on my SLK 280 using only your video, my faith was well justified!
Many thanks and keep up the good work.
John from England I’m glad the video helped you out! Thank you for watching!
Great video! I just got done with my lever replacement fix. I would recommend for people doing this job to buy replacement vacuum hose. I found many of mine deteriorated (2008 c300). An added note : slice the hose with a razor blade longitudinally at the nipple of the map sensor. I guess over time, the plastic map senor nipple gets weak. When I was pulling on the vacuum hose, the nipple tore off. (new map senor = $54.00).
Do you know what size the vaccum hoses are? Thanks
Great video! Just did this on 2010 GLK 350 and it was a breeze with this info. Thanks again!
Great video! FIY, the MB shop manual states the torque spec for the intake manifold bolts is 9 Nm, not 9 ft lbs. Not a huge difference but wouldn't want to over tighten anything.
For a w204 or w203??
Thank you so much. Following your video I was able to successfully replace my broken intake manifold air flap runner on my 2008 GL450. Excellent video.
How long did it take you
Yes did the same for my 08’ C350. Did take quite a long time as I didn’t have all the tools in the video. But saved a good bit of money too, which is appreciated being a uni student lol..
Excellent and incredibly detailed DIY video! Bravo!
Good job. Surprising how fast your doing everything with one hand and your camera.
Jesse Lyons I’ve made over 600 videos so I’m getting good at it. Lol
@@HowtoAutomotive how long does this take I trying to replace mines on my c350 is it the same way
Young Mack I can do them in about an hour and a half two hours. But if you’ve never done them before 3 to 4 hours I would suspect.
@@HowtoAutomotive y do shops say 7hrs
@@HowtoAutomotive 700 to install u think I can do it myself I put 1000 into the car now I'm just not finding out this what I need this cause misfire nd no acceleration rite
This is MOST COMPREHENSIVE STEP-BY-STEP TUTORIAL. I have replaced mine three time. Best to buy aftermarket so you get aluminum flappers vs plastics.
Anyone doing this job needs this video as you have the best steps and you showed all of them. NO guessing.
THANK YOU. Im gonna post this video in the Mercedes R350 forum. This job applies to all those M272 engines for sure.
Nice...finally a live video on manifold removal....had 1 plug didn't know where to put it back in after reinstall manifold!
Also all those unnecessary brakets/bolts/etc...I never put them back in for future ease of removal again!
Not like I live in bumpy country road, or racing professionals with huge amounts of g-force turning.....smooth city roads.......
YangSword9x Glad the video helped. Thank you for watching!
@@HowtoAutomotive how long does this take
Excellent video Bro! Nice and complete step by step guide to replace the intake manifold. Thanks!
Thank You for the straight forward instructions, soon as my parts arrive, i can't wait to dig in.
Hopefully that parts not back ordered comes fast. Thank you for watching!
Thank you so much, this helped me DIY the entire repare on the swirl flap replacement.
W204 C300 service manual specify that the torque for the intake manifold bolts is 9 Nm (6.64 ft-lb), any reason you’re using the higher torque here?
This was a very helpful video but I found that attaching the throttle body to the manifold before installing to be easier than attaching it when the manifold was installed
Thanks for making this video. I am getting ready to do this job on my C230. Thanks again.
Bob Jones thank you for watching and good luck with the intake 👍🏻
Did u do it yet
I coat my engine bay plastics/rubbers, specially the flaps on the intake manifold with 303 aerospace protectant, use to use silicone but it attracted to much dirt,303 seems to work better, 250k on my 2008 c300 and all rubber and plastic look and feel new hoping i never have to do this repair..
I'm going to try this thank you
Is the new part OEM from the Mercedes?
Excelente video. I wish I can take my Mercedes to you to get it fix it!!
Great workflow, i'm sure a mechanic shop will try to charge me 4 hours for this job and the dealer would charge 20. I think I can do it myself after watching this vid. My intake manifold is making a high pitch whistle noise in the front area. Does this mean I need a whole new manifold or is it likely one of those rubber/plastic hoses that sit in the front? Also was curious why you did not unplug the ecu? Lastly (sorry for all the questions) I was considering going with the chinese made intake manifold for 1 beacuse its cheap but also because it has aluminum flapper arms instead of the plastic ones that break... would you recommend I stay with the oem for this sort of a part or would a chinese made manifold be sufficient?
Is this OEM part? If not any problem so far?
Great video, I like the detail and quality, I like how you save time but using the cord to keep parts out of your way. I replaced the plugs, the next day the check engine lamp came up, code P2006 and a few sub codes, clear them all, car runs good and very smooth, it could have been a fluke?
No fluke. The car will run fine without the variable function of the intake runners. You'll just loose the benefits of having a short or long runner setting for optimal air flow given the throttle input.
The real danger is the internal runner flap plastic crap breaking off & damaging the valves, & the codes may not show at all before that happens.
I'm too old to do this job, have a chronic back problem, can't bend to reach all these bolts and wires, I barely replaced the spark plugs and cleaned the MAF, wondering how much this will cost if done be a mechanic....I have 2008 R350........thanks
Hi i know am a bit late but watched your video and replaced my intake and went from error p2006 to p2015 any help will be appreciated
I just changed the intake and have the same issue
Hey I did you step by step process and developed a new Issue p2015 any suggestions?
I have the same issue, were u able to fix it?
Looks and sounds as if you do this intake manifold job everyday, but I know that's not the case. How many times do you typically need to do a job like this before you develop the memory and proficiency that you display in the video? What is the book hour on this job? Thanks.
yusuihang I would say after the third one I did it was autopilot from there. The book time is about 3 1/2 hours. I did this one in 2 hours including filming.
Car went from dud to stud. Amazing video!
how do you know if fuel
injectors are all the way in?
Excellent video. Could be daunting to be accomplished by the average weekend mechanic.
It's probably best to have a professional do the job.
Thank you so much for the help. Could anyone please tell me why the car won’t turn over? I’ve done everything in video.
I have code P0012 for 2008 E350 I already change oil bit it came back again do you know what is the causing is this sensor?
Just installed new manifold from your video on my 2012 c300. Everything seemed well went well with the replacement install until I turn the car on.I now have O2 sensor codes,misfire on cylinders 1 and 4 And injector “A” circuit code. Any troubleshooting advice would be greatly appreciated thank you.
I found this video very helpful but one comment I would like to make is that you say you use washing up liquid to put the injector seal in this is a bad idea as the soap contains salt which is a corrosive, may I suggest using WD40 or Dielectric grease, just a thought.
jagvette1 I was unaware of the salt being in the soup. The dielectric grease is a good one but I’m not sure of the WD-40 could possibly make the seal swell.
I did a little more research and the opinion is the salt is the non-corrosive type, by I would avoid it, each to their own, in one respect the idea that WD40 may make the seals expand might ! not be bad and make a better seal. (just a thought), but one again love your videos.
What's the symtoms of a bad intake manifold. I lost power in acceleration and I got a diagnostic that state it could be the trottle pedal or electrical problem. I change the gas pedal with the sensor and after that I've notice both intake house were crack so I went ahead and change both of the along with the air filter. The cars still have acceleration problem. And it be the trottle body ? Otr maybe it is the intake manifold.
i broke one of the vacuum lines at the front of the intake, do you happen to know the diameter of line (in and out)?
I have the plastic piece u need
Beautiful
anyone know the name for the vacuum hose plastic holders? I misplaced mine and need to get replacement
I have 2009 e350 I’ve owned it for couple years but I’ve always have this clacking noise at idle ownly after a couple minutes of running sounds like rod bearings ive change oil several times with mobile 1 0-40 why do some of these cars have that clacking sound and others don’t what could be the problem
Very helpful. Thank you
Thank you for watching!
Please help I’m stuck with removing the vacuum line- how do I do it? It’s not showing in the clip
Watched your video, very thorough. Really liked the details and tools and part links. I have a broken swirl arm on a 2008 c300. Am concerned that putting metal arms on the linkage may create potential for a more dramatic failure, which could impact the cylinders. any thoughts on repair or replace?
What is the logic behind your hypothesis? Carbon buildup causes resistance that causes pieces to break. How would putting metal arms instead of plastic change anything other than durability?
@@Verbalism allegedly the plastic crap on the front was made out of plastic so it would be a weak point, ensuring they would break before the internal plastic crap flaps/runners.
Perhaps aftermarket metal piece on a new manifold is nice (if pcv system is kept functional). But like you said, carbon buildup is the problem, so metal aftermarket parts on an old manifold could expedite that internal failure I suppose.
Where does vacuum hose that cuts across on top manifold go … does anyone know this one may be my problem on my car I cannot locate it
If all you need or want to do is replace the Intake Manifold Air Flap Runner with a Repair Kit, can you take off some of the pumps etc from the front of the engine to get access to the broken plastic arm? It seems like it might be less work....???? 2008 C300 3.0L V6.
Nope… the problem is it’s held on by one center torque screw, located right behind the thermostat housing. There’s no room to remove the screw until you lift the manifold up.
Can somebody help? What about N•m ?
the newton metre (also newton-metre, symbol N⋅m, N m ) is a unit of torque (also called moment) in the SI system. One newton metre is equal to the torque resulting from a force of one newton applied perpendicularly to the end of a moment arm that is one metre long.
Wow what a job!
Darwin W looks harder than It is. Thank you for watching!
Darwin W thank you!
How to Automotive Your welcome👍
You are freeking exelent .
how many hours it take you to dang the job
Super job!!!
Hey what if only the "snorkels" are broken and not attached. Would that be a cheaper repair or does the whole manifold still need to be replaced
If it’s Just the snorkel then no you do not need to replace the manifold and you can get the snorkel separately.
Hi! Great video! May I ask your recommendation on these intake runner manifold kits that they now offer! Would those be able solve the problem,or just replace the whole manifold? Thank you!
If you're referring to a repair for the actuator arms or whatever other plastic pieces that will break, get something that is made of metal.
Great vid!! As always your explanation is incredible and to the point. I was wondering if you are flat rate, I know it takes a little longer to film and work at the same time. Can you use an adhesive to keep the gasket in place?
bill beckett I am flat rate and it definitely adds a little time to film these videos. I do make a little money from TH-cam and from affiliate links that makes up the difference in time lost .You could possibly use some 3M super whether adhesive to hold the gaskets in place.
@@HowtoAutomotive my torque wrench start at 20 is it anyway I can still set it less
@@youngmack5206 you need an inch-lb torque wrench
Where does the vacuum on top of intake manifold go to? I know 1 end goes into secondary injection pump, but where does it plug into on the back. I bought the car with the intake manifold out, but the removed all vacuum lines. Any help would be greatly appreciated. I'm willing to pay $5 to anyone who can help
I torqued them to 9ft lbs in the sequence shown and I am getting leaks on both banks, I was just wondering what the issue could be. The manifold is an aftermarket so I am not sure if that’s the issue or not. Thanks
It’s very easy for the gasket to slip off. Possible what happened or since it’s aftermarket may require more torque.
@@HowtoAutomotive Ok would you ever recommend putting gasket maker on with the gasket?
@@davidstreeservice8662 no. Most the time that causes more leaks than helps. If you look at how the factory did it you won’t see the sealant on the gasket
My C300 developed #1 miss fire. The dealer tested coils and preformed a full tune. They the suggested a new intake replacement. They said that spark plug damage was due to the intake, really? So, why would the take cause the #1 plug to miss fire?
Alvin Davis the intake runners break in side the intake making air fuel mixture off and causing a misfire.
so should i replace the intake? I found a metal bracket to replace the rear piece that break in the rear.
Alvin Davis it depends on how your intake broke. If the control arms broke or if the runners in side broke.
@@HowtoAutomotive they didn't say it was broke, but suggested I do so because of the burnt plug in #1. So they have me freaking out. He worded it if the burnt plug was due to the intake. The only code was for the miss fire in #1 cylinder aka the Plug. The car has 200K tho.
I purchased an intake and a fix kit for the intake valves. Wait!!! I returned all intake related parts after speaking with a Benz tech outside of the dealership. He told me I wasted money because I didn't actually have a damaged intake. Yep, no codes or ruff idle caused by a damaged intake. Thanks for this awesome channel BTW.
What was the symptoms of this issue?
Hi
What was the code for this,
What's p0172 code, if anyone knows please help 🙏
I just got a P2006 code on my car when the check engine light came on. Do you recommend performing this job? Computer said something was wrong with the tumble flap?
@howtoautomotive
Dylan Natale If you look down at the front of the intake you’re most likely find the control rods broken. If so I would recommend replacing it.
Thank you so much. Is there a specific one you recommend? The prices range from $200 all the way up to $700
Dylan Natale The one I used in the video is a factory replacement. I would recommend that one. There is links for in the description.
part numbers and tool sockets sizes needed?
Thank you Sir..I have successfully completed such task and saved myself 1000+dollars..and that wasn't the dealer's price. Lol
I’m currently sitting at the dealer and they offered 2261 to replace the intake manifold 😭 I’ll try to do it myself or find a place cheaper to do it instead
I'm 11 minutes in, and I pray I never have to do this on my 2013 C300.
Night King It’s a lot of work. But it is one of those jobs it looks harder than it really is.
@@HowtoAutomotive late comment but yeah I did it after watching your video a year ago and replaced it with metal part but now the plastic lever that goes up and down broke so I am looking into doing same job a year later lol I do not get check engine light just noticed that car is hesitating on acceleration and knew exactly what it is lol I manually just opened the flap so it drives fine just little less miles per gallon
@@dulisha I have to do this on my w204 it has the Manifold flap code :(
IsTRQ a good brand ?
Did you need to release pressure in the fuel rail before unscrewing the fuel line
You can do that two ways you cracked the line lose but don’t take it apart and the pressure will bleed off. Or you can remove the fuel pump relay run the engine until it stalls out before you take it apart.
@@HowtoAutomotive can you tell me the torque specs for the intake manifold throttle body and the rest of the manifold torque specs ?
Jus wondering.. you went through the trouble of taking out the down elbow (snorkel) and throttle body and yet, you didn't clean it. 16:00 shows you install the snorkel still has all the oil stain on it. This won't do any good as this will pour back into the new air intake and gumming it again. Perhaps you may be of service for your clients by cleaning that piece or put a hour or so to do it. I am sure your clients will be more than happy to pay you for it than having the new air intake start gumming up right away.
whats your opinion or the repair kit for the arms?
Make sure you clean out the ports & swirl flaps with Seafoam, if it broke because of carbon deposits it might break something else. If the flaps wind up down in the valves you’ll have a problem.
I have an air leak what does that mean?
I declined to do this job myself and had it done for me
You said needed a fuel injection O ring. But didn't see you replace it
Now I understand why my Mercedes mechanic charged $500 for flange gasket and spark plug service. He have the money its too involved for me.
Does it need programming after?
No no programming need it. Just clear codes
Do you have to disconnect the battery
No you do not need to.
Hi, can pls tell me where the end of vacuum hose going to at 10:48 duration
The one on top of manifold
Mervyn Koay That hose plugs in right on top of the throttlebody in the back of the intake
@@HowtoAutomotive thanks i will double cbeck it
@@HowtoAutomotive Hi, i still can't get my mind any place to hook the pipe any info, Thx
While this is an excellent video for the pre-facelift C300's, it is not at all applicable to 2013+
What a job like this should cost?
6 months down the line, you will be doing the same job again.
Milwaukee is the cheat code
this is a big job.. The dealer charges $8K to change the manifold.
That’s crazy. They must have quoted a whole lot more than just the manifold
9nm, not ft lbs!
Absolutely silly to buy an entire manifold if you can get the airflap runner lever on eBay for $10 and clean out the flaps for $5… but ok 😂
11:30 hoses are fucking difficult