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Mercedes-Benz vehicles with the V6 M272 and V8 M273 engines commonly suffer from failure of the intake manifold. These manifolds are fitted with tumble / swirl flaps. The purpose of these is to increase air speed / tumble at low RPM which creates better torque for the motor at low RPM, enhanced fuel economy and reduces emissions. Unfortunately, the design of this mechanism is flawed and commonly fails. Previously necessitating replacement of the complete intake manifold at vast expense. In reality it is only a small part of the manifold that fails due to poor quality construction. On the intake manifold below the secondary air injection pump sits a plastic lever- integral to the manifolds function. As carbon builds up in the inside of the manifold over time this puts more pressure on the air doors / swirl flaps which connect to the lever, this inevitably cracks the plastic lever which is the inferior quality component. This leads to the lever no longer moving the air doors / swirl flaps inside the manifold runners. This is what causes the symptoms noted.
Vehicles affected and compatibility
This information should be used for guidance only, please inspect the intake manifold to ensure the lever is the fault:
Mercedes C 230 2006, 2007
Mercedes C 230 4MATIC Sedan 2008, 2009, 2010, 2011, 2012
Mercedes C 230 RWD Sedan 2008, 2009, 2010, 2011, 2012
Mercedes C 230 Sedan 2006, 2007, 2008, 2009, 2010, 2011
Mercedes C 250 4MATIC Sedan 2008, 2009, 2010, 2011, 2012
Mercedes C 250 RWD Sedan 2008, 2009, 2010, 2011, 2012
Mercedes C 250 Sedan 2008, 2009, 2010, 2011
Mercedes C 280 4MATIC Sedan 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes C 280 RWD Sedan 2006, 2007, 2008, 2009, 2010, 2011, 2012
Mercedes C 280 Sedan 2006, 2007, 2008, 2009, 2010, 2011
Mercedes C 300 4MATIC Sedan 2008, 2009, 2010, 2011, 2012
Mercedes C 300 RWD Sedan 2008, 2009, 2010, 2011, 2012
Mercedes C 300 Sedan 2008, 2009, 2010, 2011
Mercedes C 350 4MATIC Sedan 2006, 2007, 2008, 2009, 2010, 2011
Mercedes C 350 RWD Sedan 2006, 2007, 2008, 2009, 2010, 2011
Mercedes C 350 Sedan 2006, 2007, 2008, 2009, 2010, 2011
Mercedes CLC 230 2006
Mercedes CLK 350 Convertible 2006, 2007, 2008, 2009
Mercedes CLK 350 Coupe 2006, 2007, 2008, 2009
Mercedes E 280 4MATIC Sedan 2007, 2008, 2009
Mercedes E 280 RWD Sedan 2007, 2008, 2009
Mercedes E 350 4MATIC Sedan 2006, 2007, 2008, 2009, 2010, 2011
Mercedes E 350 4MATIC Wagon 2005, 2006, 2007, 2008, 2009, 2011
Mercedes E 350 Convertible 2011
Mercedes E 350 Coupe 2010, 2011
Mercedes E 350 RWD Sedan 2006, 2007, 2008, 2009, 2010, 2011
Mercedes E 350 RWD Wagon 2005, 2006, 2007, 2008, 2009, 2011
Mercedes E 350 Sedan 2006, 2007, 2008, 2009, 2010, 2011
Mercedes E 350 Wagon 2006
Mercedes GL450 2007 2008
Mercedes GLK 350 2009, 2010, 2011, 2012
Mercedes GLK 350 4MATIC 2009, 2010, 2011, 2012
Mercedes GLK 350 RWD 2009, 2010, 2011, 2012
Mercedes ML 300 2010, 2011
Mercedes ML 350 2009, 2010, 2011
Mercedes ML 350 4MATIC 2005, 2006, 2007, 2008, 2009, 2010, 2011
Mercedes ML 350 RWD 2005, 2006, 2007, 2008, 2009, 2010, 2011
Mercedes ML 450 HYBRID 4MATIC 2010, 2011
Mercedes ML 450 HYBRID RWD 2010, 2011
Mercedes R 280 2005, 2006, 2007, 2008, 2009, 2010, 2011
Mercedes R 300 2005, 2006, 2007, 2008, 2009, 2010, 2011
Mercedes R 350 2005, 2006, 2007, 2008, 2009, 2010, 2011
Mercedes R 350 4MATIC 2005, 2006, 2007, 2008, 2009, 2010, 2011
Mercedes R 350 RWD 2005, 2006, 2007, 2008, 2009, 2010, 2011
Mercedes S 400 HYBRID Sedan 2010, 2011, 2012
Mercedes SLK 280 Convertible 2006, 2007, 2008, 2009, 2010, 2011
Mercedes SLK 300 Convertible 2006, 2007, 2008, 2009, 2010, 2011
Mercedes SLK 350 Convertible 2005, 2006, 2007, 2008
Mercedes-Benz V6 M272 and V8 M273 engines only.
Associated part numbers:
2721402401, 2721402201, 14433043001, 2721402401, 2721402401, 2721402201, 2721402201, 2721402101, 2731400701, 2721412280, 2721412080, 2721412380, 2721412180, A2721402401, A2721402101, A2721402201, A2731400701, A2721412280, A2721412080, A2721412380, A2721412180.
Mercedes-Benz solution to this common fault is to replace the complete intake manifold, not only is this extremely expensive but also a replacement manifold will have the same plastic lever which would just fail again. Our solution allows you to replace just the lever that fails. Our replacement lever is precision machined from high quality billet aluminium, meaning it will never fail like the OEM part. We provide this at a massive saving compared to a complete new manifold which would just fail again. Our part is perfectly machined to fit in the same way as the OEM part and takes moments to exchange once the manifold is removed. Our part will restore full function to the mechanism, check out our videos and instructions. We also include a repair for the vacuum actuator arm in case the original has snapped or the ball joint has worn.
www.x8r.co.uk
Thx for this video I have the exact problem with my gl450 2007 and was told by mr Mercedes dealership the entire manifold has to be replaced at cost 10k. I knew it was a scam did my homework on gl 450 manifold and realized what the real underlying problem is. Their diagnosis is a crack tumble flap and recommended replacing entire manifold.
Sheikh Latif the only way to fix that issue is to replace the manifold... They don't sell replacement arms unlike here
@@nextwaze5661 I got mine for 10€ on amazon. I the mercedes they wanted to replace the whole manifold for 1400€ plus another 1000€ on labour
its funny how they say the plastic breaks due to carbon build up on the swirl flaps yet say nothing about removing the buildup and only offering an aluminum replacement. So, lets force our way through the carbon, or just see if we can break the next point of least resistance..
I just did the job on m273 engine, not saw any carbon build up, so I think it a design fault, the plastic will degenerated sooner or later due to the heat and vibration.
Typically there isn't much build up.
I usually spray and force air thru the level points
@@skillz1855 Exactly, it's not a direct injection vehicle.
This is what triggers code p2006 right? Is this part compatible with 2007 e350? Is it available in the US? Thanks!
Hello guys. A little help please(P2006 - no check engine light, though ) It doesn't look like anything is damaged with me, but after pressing one of the levers as you do in the clip, it stays in the same position and does not return., at the same time it moves hard. What do you think the problem might be?
Same as mine. middle section broke. most of the issues.
to fix, buy a triangle part and middle screw. i am waiting shipings for this parts.
Is it possible to do this flap replacement without taking out the complete manifold from the engin
Was it?
It is not.
i have c240 model 2002 /the Engine shiver in N and P and i have oil evaporation /1000miles*1 litre oil can u help me to find the problem plZ
Unfortunately the plastic arms over the tumble flaps break as well and it doesn't seem anyone make those linkage parts
th-cam.com/video/2ZcLey7Wmc0/w-d-xo.html
now there are metal aftermarket parts available.
Will order ur tumble flap and u mention comes with actuator rods. makes sense to replace plastic flap with metal version
Can the repair be done with the manifold s ill in the car?
Hi there, yes it should be able to be done in situ. - Georgina, X8R Ltd
Do you make those for a GL320 CDI, If you do can i please buy them? thank you for your time!
Thanks for the great clip ! Do you have the equivalent part for W211 E350 2008 ? Thanks !
It’s not a torx bolt in the film
it is Allen but Torx works as well :) I had same observation as well !
Too bad the rods are not metal as well
This is the easy part, the hard part is removing the intake manifold out of the engine, such a pain!
Not hard really. Very simple.
Most people just over think
@@BMWI-gk9wh its the harness and wires that make it tougher specially when they are old and brittle. But, yeah its a easy fix from there.
i have c240 model 2002 /the Engine shiver in N and P and i have oil evaporation /1000miles*1 litre oil can u help me to find the problem plZ
Most likely the broken pivot point shown here, also with such a rough idle you may have internal flap damage, I have had the steel rivets from the internal flaps wear a hole through the aluminum, you may want to remove and inspect the intake manifold and proceed from there, although I would upgrade to the aluminum parts shown here even if you need a new intake.