Mercedes-Benz W212/W207 Engine Diagnostic & Maintenance Guide

Mercedes-Benz W212/W207 Engine Diagnostic & Maintenance Guide - M276 DI V6 (E350, E400)

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►Whether you're just starting the research phase or if you're actively in the purchasing process of a Mercedes-Benz W212, this video covers everything you need to know about the M276 engine options found within the Mercedes-Benz W212 chassis. If you haven’t yet, check out our previous W212 Buyers Guide, which goes into more detail on the different models, chassis, and other options available for the Mercedes-Benz W212.
Kyle Bascombe, our Mercedes-Benz Catalog Manager here at FCP Euro, doesn't leave any stone unturned. He covers the engine options and what potential problems you may face during your ownership, preventative measures you can take to help get more life out of your Mercedes-Benz W212, as well as brief overviews of the entire system that goes into your M276 Mercedes-Benz engine.
This video will cover all W212 Mercedes E-Class Models from 2009-2016, including:
Mercedes E250
Mercedes E350
Mercedes E400
Mercedes E550
Mercedes E63 AMG
Read more Mercedes guides, DIYs, & news on our blog: blog.fcpeuro.com/tag/mercedes
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Пікірлер: 93

@slimeade6021 3 жыл бұрын

I’m glad you happen to be making a lot of W212 content. I’m planning to hopefully get one soon.

@fcpeuro 3 жыл бұрын

That's awesome, let us know when you pick one up!

@bxp1696 3 жыл бұрын

Like your videos. I learn so much. Keep it up.

@aleksandaraleksandrov368 3 жыл бұрын

Amazing video I was waiting for this. Keep it up thank you!

@fcpeuro 3 жыл бұрын

Glad we finally gave you what you were waiting for Aleksandar!

@christophersoden958 3 жыл бұрын

Great videos. So enjoy them!

@brianmueller9277 3 жыл бұрын

Hopefully you'll cover some of these "routine" repairs like the thermostat and idler pulley in future videos on w212 / M276

@glasser2819 3 жыл бұрын

along with usual fares... PCV air/oil leaks weak chain tensioner failure serpentine belt tensioner ultra low viscosity 50kMi ATF 40kMi rear Differential oil ... 🤭

@andrewa.3304 2 жыл бұрын

Just bought a 2014 GLK 350 one owner only had 55 thousand miles love it thanks for all your videos👍👍

@fcpeuro 2 жыл бұрын

Happy Wrenching!

@coreymills1520 3 жыл бұрын

I need you for my personal mechanic you really know your stuff thank you for that information

@fcpeuro 3 жыл бұрын

Kyle's happy to share his plethora of Mercedes knowledge!

@gmans7859 3 жыл бұрын

2015 E350 here. Even as a former Technician, doing the Spark Plugs is a decent task. But... calm and careful WILL get it done. A DIY person can save a BOATLOAD of money. I encountered a problem performing the work. Out of all the tools I have, I did not have the unique '12 point' Spark Plug Socket. Not a big deal, we all love tools so I ordered one. I forget the brand but it was not a cheap China. It fit the plugs to remove the factory originals but did not fit the Bosch replacements. They would get stuck bad. Cost me a day's wait. My wife borrowed her Shop Formans Snap On one and I was able finish the work on her car. The tolerances were off just enough. Crazy...

@fcpeuro 3 жыл бұрын

Thats wild GMAN S , we haven't run into that problem with the CTA socket we sell or the Bosch plugs, but sometimes the slightest bit of being off in tolerances can create a headache!

@deviouslaw 2 жыл бұрын

It makes you question how other makes can somehow design V6 engines without all these pain points.

@gianfrancoa 3 жыл бұрын

Glad that I have the M112 engine on my SLK

@cesarbojorquez7418 2 жыл бұрын

It would be great to see a DYI on all those common issues. Cheers

@fcpeuro 2 жыл бұрын

Agreed! Many of them are in our queue!

@glasser2819 2 ай бұрын

@@fcpeuro every product you feature has a specific story you can tell... how its well made how easy job is how a FCP has kits ... all good 👍👍

@janveit2226 3 жыл бұрын

Good review. Just one comment. I did not remove plastic intake part, since I wanted to limit a number of electrical connectors being disconnected (they are fragile). It is a little bit pain, especially a back spark plug on the driver side, but it is possible. You mentioned that it is a good idea replace connectors when replacing spark plugs. What connectors did have on your mind?

@sibai84 3 жыл бұрын

I'm so glad now I'm seeing w212 with M276 videos. I currently own 2014 E350 and now it is the time to start preforming these type of maintenance. I did replace the camshaft adjuster magnet twice under warranty because they leaked oil. Thanks for sharing Kyle 👍

@AD-ct3mx 2 жыл бұрын

Use liqui moly 5w 40 , no more oil leaks. Mobil is prone to oil leaks. And also it’s tier 3.

@parteibonza 2 жыл бұрын

I replaced the o rings and used Permatex #2 as it is non-hardening. Stopped the leaks.

@DS-wv1nl Жыл бұрын

What mileage is on your car?

@sibai84 Жыл бұрын

@@DS-wv1nl 105K miles

@r.weaver3769 Жыл бұрын

@@sibai84 Liqui-Moly 5w-40. I'm using the Molygen stuff, so far so good.

@TRIGGERTIMEMARTIN Жыл бұрын

Good work 👍🏻

@fcpeuro Жыл бұрын

Thank you!

@lukagulbani9539 2 жыл бұрын

Thanks for great and very informative video 👍 I think i have bad PCV system same m276 engine, my dipstick was popping up i changed oring on dipstick but now i have oil leak in bottom of my engine, i wonder where can i find video about PCV system replacment or repair on this engine.

@maxagent86 3 жыл бұрын

Given that removing the plenum is necessary for so many procedures, how about a good video on it. The very few that are on YT are not good at all. I know of many folks (myself included) that don't order parts and don't try this DYI just because there is not enough instruction available. If you put your usual quality to it, it will most likely be the best video out there on that procedure. And while you are at it, you could change the spark plugs. Better yet, you could also replace the timing chain tensioners and install that oil check valve for it. Thank you for considering it.

@vgls88 2 жыл бұрын

Second that

@wangshuokevin Жыл бұрын

Just crossed 100K in my 2014 W212's M276. Got timing cover leak, idler pulley tensioner and engine mount repaired/replaced. Hopefully she's good for another 100K

@DS-wv1nl Жыл бұрын

I’m looking at getting a 2015 (M276 turbo variant) E400 Coupe. It has 30.000 miles. Has it been a reliable car overall? Would you recommend?

@wangshuokevin Жыл бұрын

@@DS-wv1nl yeah I would recommend it, the car is pretty reliable overall and isn't too complicated to DIY if you intend to do so. But do some research on turbo side of things, as long as there's no known issues related to turbo I'd say go for it.

@Lavish_mex 3 жыл бұрын

I need a video on how to replace the breather on the m276. My boy has the m272 and his was super easy to replace. With the m276 looks like a nightmare and yes, my dipstick keeps popping out.

@ozzyg147 2 жыл бұрын

Same I replaced the dipstick and it's fine now lol

@Andresrochas Жыл бұрын

Olá amigo. Diretamente do brasil 🇧🇷 apreciando seu vídeo, tenho uma A207 M276DE35 e até agora nenhum dos problemas mencionados ocorreram. São 126.000 quilômetros até então, farei a troca das velas agora! Veículo apresenta uma vibração entre 1500 e 2200 rpm mais notável em 4 e 5 marcha, aparentemente vem do cambio, os coxins foram verificados e estão bons, algumas pessoas levantaram suspeitas do conversor de torque que me fez verificar através daquela janela em baixo do carro e constatei que existe um parafuso lá que está espanado! Foi feita a troca do fluido na autorizada com 90.000kms. Outro detalhe, esse diagnóstico foi feito com o carro no elevador no modo manutenção, colocamos ele engrenado e constatamos a vibração que comentei acima. Alguma sugestão? Grande abraço!

@JettaRedIII Ай бұрын

This video is mis-titled as it is applicable across all platforms that use the M276. It should be noted that the turbo (3.0L) version is MUCH simpler to change the spark plugs on since the intake plenum does not get removed. Also, you cannot overstate the importance of using the correct spark plugs and that they are indexed correctly.

@raelanndedios 2 жыл бұрын

good info for the C300 w204 m276 platform as well. thank you

@md4lllm 2 жыл бұрын

Where are you located? Do you have a repair facility or do you just sell parts. Lastly, do you have any videos on the 2014 mercedes e550 twin turbo? Thanks for your presentation.

@tippy35075 3 жыл бұрын

only issue so far I've had with my TT M276 was when I got the car used there was a slightly rough idle on start up for a few seconds, but its gone now after 10,000km

@glasser2819 3 жыл бұрын

it may be your PCV starting to leak unmetered air around idle in the intake

@DS-wv1nl Жыл бұрын

Do you still have the car? Did you experience any other issues with it?

@tippy35075 Жыл бұрын

@@DS-wv1nl Nah no issues, in stock form this engine is solid, i can't fault it, the only thing I can mention is it's maybe a little more thirty than I was expecting, however this isn't a big deal, also the issue I complained about above isn't an issue, it's just the way part of the engine send oil around itself when starting up after a few days of non use

@farhadfarhadian1111 Жыл бұрын

Can you show how to clean MAF sensors in MB E350 2012 blue tech?

@NANA-do9tw Жыл бұрын

Question I have a 2014 CLS550 I'm wondering how do you remove existing check valves to replace with updated ones and tensioners I was able to remove the threaded piece seems like there's a still shim that presses into and then a check valve behind it your help would be greatly appreciated thanks

@kevinluz5933 3 жыл бұрын

Can you do m278?

@paddymickiemickie8221 2 жыл бұрын

Good video Have you anything on the Diesel motor?

@fcpeuro 2 жыл бұрын

Thank you Mickie, currently not at the moment!

@Daniel-zr4pk 2 жыл бұрын

can you do a video on M278 too?

@CORZER0 3 жыл бұрын

Couldn't find the camshaft solenoid O-ring kit. Anyone got a link?

@marquisethomas5611 2 ай бұрын

Sounds like you should shoot for the 2009-2011 model

@Titanic19127 9 ай бұрын

How reliable are these engines? And about what mileage does this need to be done at?

@jordanbrown5475 2 жыл бұрын

I have a 2014 e350 coupe like the one in the vid and it’s misfiring very bad, I replaced the fuel injectors and it ran good for about a month, and then it started to misfire all over again. Any ideas of what could be the problem? Also there is oil in my intake manifold and oil in my spark plug threads.

@DS-wv1nl Жыл бұрын

Did you find out what was causing it?

@iitzSTUDZ 2 жыл бұрын

I’m looking into getting a 2013 w212 e550 with around 56k miles. Anything I should be worried about it or look at?

@JeeperZJ 2 жыл бұрын

Watch out for oil in the engine harness. If caught early it can be mitigated, if oil gets to the fuel injectors, coil packs and/or ME then you'll have issues with misfires.

@KalchykDen 2 жыл бұрын

Please help. I broke ignition coil connectors when I was changing spark plugs on my w212 with m276 engine. Where can I find just the plastic connectors? Do they even sell them?

@cesarbojorquez7418 2 жыл бұрын

Yes they also sell the boots. I had to look for a different year of my truck. For some reason it wasn’t displayed for a ‘15 model. Unfortunately I bought the complete coil

@ibrahimalmotawa967 3 жыл бұрын

Hi Guys, is zimmermann better then Brembo? I had bad feedback with Brembo PVT not good at all.

@glasser2819 3 жыл бұрын

hard pads on soft disks are made to guarantee everything must go! Instead... try the Akebono composite ceramics pads with standard disks: gentle on disks and low dust with a good friction.

@jagkubas 4 ай бұрын

My moms at 80k miles on her 2014 e350, nothing but fluids have been changed. We just got our first problem and its a power steering fluid leak. Im here looking how to fix

@bushmaster1740 4 ай бұрын

Could try some hi miles ATF / PSF like Maxlife

@jamescollins5274 3 жыл бұрын

Hi. Why do you choose a W211 over a W212?

@fcpeuro 3 жыл бұрын

we'll likely do one of these on a w212 at some point!

@AlvinShen 3 жыл бұрын

I’m personally experiencing the oil dipstick to stick up, ever so slightly after a few drive cycles. Could it just be the o-ring? Also. on 1-2 occasions, i did experiences 3-5 second engine rattle. but hasn’t happened since. Suggestions? 2014 E350 4MATIC with ~147,000km

@tempchannel2012 3 жыл бұрын

i've had 2 M276 vehicles where the dip stick pops out and won't stay. replacement: 44803 Febi dip stick. Tape the dip stick in place till it's replaced.

@glasser2819 3 жыл бұрын

@@tempchannel2012 the engine cranckase is normally under VACUUM controled by PCV Valve. Pressure poping oil deepstick "may" indicate PCV failure that is designed with a thin membrane seal

@AlvinShen Жыл бұрын

Should give an update. Was just an O-Ring for the dipstick and tensioners were the cause for the rattle on start up.

@mca1901 3 жыл бұрын

The difference between W 40 W 30 the first brand oil what difference between Castro local Molly and mobile and Mini company I need top 10 company

@johnconelly9139 6 ай бұрын

I only use Liquid Molly for years now. I have 2 high mileage w276

@dannyaquino4447 3 жыл бұрын

You do not need to take the intake off to do plugs

@glasser2819 3 жыл бұрын

if you're not on the clock working on your own engine, removing the plastic plenum gives you easy access to plugs & coils plus the leaky PCV breather that sends engine oil in the intake to create intake valves deposits... It's better to do a good job than wait for growing issues Oil type used in this engine is critical to prevent harm to cam-phasers. The fancy oil seals have been made sensitive to the acidity of old oil. *It's the failed EGR that pressurizes the whole engine to make oil leak reliably out if every gasket and seal* 🤫

@ssudarso 3 жыл бұрын

With all of that mentioned, I think EV will surely be the car of choice. Simple structure, no leaking, almost no maintenance, cheap operation cost and the price of EV car is getting more and more affordable (read: korean EV). 🙂

@FixItRyan 3 жыл бұрын

I wonder why Benz called it a w207 when the previous version was called w209

@mazariego16 3 жыл бұрын

Because the w210 designation is already reserved for the 96-02 mercedes-benz e class

@zynek3333 3 жыл бұрын

Where do I check whether I got W207 model or W212?

@rickbolt4552 3 жыл бұрын

In your garage :-)

@mark.tiggerman5178 3 жыл бұрын

207 is Coupe . A lot of Common parts in common with W204 .

@tempchannel2012 3 жыл бұрын

Heads-up on dip sticks on M276 engines, they pop out like they don't belong. Big power loss, funky clunking noises on cold startups and rough idle.

@glasser2819 3 жыл бұрын

big power loss from what..??? (PCM commanding the networked alternator to drain the primary AGM battery?) Rattle comes from... the chain tensioner but it is caused by the worn out passenger intake phaser!

@tempchannel2012 3 жыл бұрын

@@glasser2819 big power loss from a popped out dip stick, my guess is that it disturbs the vacuum near the oil pump and crankcase. The seals fail on the dip sticks and they'll pop out, I've have two cars with M276 engines, had to replace dip sticks in both. The clunking noise on cold startups come through the dip stick tube.

@glasser2819 3 жыл бұрын

@@tempchannel2012 I love how German go all out to engineer complex failures. Replace the PCV System that should keep crankcase under vacuum and not let the engine blowby gases pop the deeptick under pressure. M276 has a brilliant variable engine oil pressure regulator controlled by the engine PCM. It is supposed to save gas so instead it wears out the engine (chains, phasers, bores..) 🤗

@mrprohunterable 3 жыл бұрын

I’m getting a clunking almost knocking noise sometimes on idle, after warm start ups usually, could this be the cause? The noise is very faint, I bought the car second hand and I watched a video that it can be caused by wrong oil filter and whcih won’t let it create enough oil pressure to the crank bearings.

@tempchannel2012 3 жыл бұрын

@@mrprohunterable i taped the dipstick tight to investigate, guess this stopped any air leak. New dipstick holds tight.

@UhhhhhnooOOo00oO 5 ай бұрын

Forgot the front seals going and the aur bag module failing, rendering all airbags non-functional. So, 2000 dollars for recalibration of airbag module, 2000 dollars for sparkplugs and complete installation and 2000 dollars for Front Seals. 6K on a 10K car. It's why you lease a vehicle and never buy a used Mercedes. I'll add, 400 dollars for a Service B or 450 for a Service A oil change and filters. Fixing a dangerous rusted holed rear sub frame under 10 year warranty for free is priceless. Ahh, that non-money pit Mercedes quality.

@denisk186 2 жыл бұрын

Why not just buy Lexus instead, so you don’t have to deal with all that maintenance bs all modern euro junkers are famous for..

@cesarbojorquez7418 2 жыл бұрын

Good point. Drive a Lexus and a Mercedes in the highway or twisty road and let me know which one you like. Also personally I like more the design. For most that’s worth it