Mercedes Benz V6 M272 V8 M273 Intake Manifold Lever Repair Kit

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.

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