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Tumble Flap Position Sensor Replacement - C Class - W204 - Mercedes-Benz

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Tumble Flap Position Sensor Replacement - C Class - W204 - Mercedes-Benz Tumble Flap Position Sensor Replacement Time: 2 hours Tab: $50 to $100 Talent: 2 Tools: T-30 Torx driver, small flathead screwdriver Applicable Models: Mercedes-Benz C350 (2008-14) Mercedes-Benz GLK350 (2010-14) Parts Required: Tumble flap sensor Hot Tip: Be prepared to move things out of the way Performance Gain: Working variable resonance intake Complementary Modification: New air filter The Mercedes C350 has a variable resonance intake manifold. This manifold can switch over from long intake runners to short intake runners by utilizing switch flaps and tumbler or flap shafts. There are two shafts, one on each side of the intake manifold. If you are getting error codes from the variable system, one of the first things you should check is the tumbler flap sensor for failure. Both sensors are located at the rear of the intake manifold. While replacement in theory is easy I have never been able to si...
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Cylinder Head Front Cover Replacement - C Class - W204 - Mercedes-Benz

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Cylinder Head Front Cover Replacement - C Class - W204 - Mercedes-Benz Cylinder Head Front Cover Replacement Time: 2 hours Tab: $20 to $900 Talent: 3 Tools: E10, T27, T30 Torx Applicable Models: Mercedes-Benz C350 (2008-14) Mercedes-Benz GLK350 (2010-14) Parts Required: Sealant Hot Tip: Clean the surfaces really well Performance Gain: No oil leaks Complementary Modification: Reseal valve covers There are two sections to the valve covers on the Mercedes C350, the front cover (which covers the ends of the variable cams) and the top valve cover. Neither of these covers use a gasket to seal the area between the head or towers. If they start leaking it is usually from some form of damage or warping. If your front cover is leaking the best thing to do is remove it, give it a good cleaning, reseal it, and then reinstall and properly torque the cover. Reseal leaking front valve covers with this article Applies to: C350 (2007-14), SLK350 (2004-14), CLS350 (2004-14), CLK3...
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Purge Valve Replacement - C Class - W204 - Mercedes-Benz

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Purge Valve Replacement - C Class - W204 - Mercedes-Benz Purge Valve Replacement Time: 1 hour Tab: $100 Talent: 2 Tools: Flathead screwdriver Applicable Models: Mercedes-Benz C250 (2012-14) Mercedes-Benz C300 (2008-14) Mercedes-Benz C350 (2008-14) Parts Required: Valve, hose clamps Hot Tip: Make sure you install it in the right direction Performance Gain: Pass SMOG test Complementary Modification: Change air filters A faulty purge valve or regeneration valve for fuel vapor recovery can cause you to fail a SMOG test and throw an error code in the system. The purge valve opens to allow all the vapors that are captured from the fuel tank (especially during fill ups) to be recycled to the engine to be burnt once the engine has reached certain performance parameters. There are two lines attached to the valve. Even though it is very difficult to mix them up, as they are different sizes, pay attention and make sure you install the valve in the right direction. The line out from ...
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Air Pump Check Valve Replacement - C Class -W204 - Mercedes-Benz

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Air Pump Check Valve Replacement - C Class -W204 - Mercedes-Benz Air Pump Check Valve Replacement Time: 1 hour Tab: $150 to $300 Talent: 2 Tools: E8 Torx driver and extension Applicable Models: Mercedes-Benz W204 (2008-15) Parts Required: Check Valves Hot Tip: Use care working on old rubber hoses Performance Gain: Pass a smog test Complementary Modification: New air pump hoses If your car is not passing a smog test one of the things that could be wrong are the air pump check valves. This article will show you how to replace the air pump check valves on a Mercedes-Benz W204. Air injection check valves can cause your car to fail a SMOG test. Change them out with the help of this article. Applies to: C350 (2007-14), SLK350 (2004-14), CLS350 (2004-14), CLK350 (2005-14), E350 (2005-14), S350 (2005-14), SL350 (2005-14), R350 (2006-14), ML350 (2006-14), Viano (2005-14), Sprinter (2006-14), CLC350 (2008-14), GLK350 (2008-12) #MercedesBenzGarage
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Breather Hose and Cover Replacement - C Class - W204 - Mercedes-Benz

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Breather Hose and Cover Replacement - C Class - W204 - Mercedes-Benz Breather Hose and Cover Replacement Time: 1 hour Tab: $20 to $80 Tools: E10 Torx Applicable Models: Mercedes-Benz C350 (2008-14) Mercedes-Benz GLK350 (2010-14) Parts Required: Cover or hose Hot Tip: Use a mirror to see the oil built up Performance Gain: Smoother running car Complementary Modification: Replace air filters There is a breather hose on the top rear of the right valve cover. This hose can fail over time as well as the cover can begin to leak. If your cover is leaking or the hose has failed and is causing a vacuum leak this article will show you how to replace them. Leaking oil from the gasket on the cover can make a mess as well as cause a small vacuum issue; unfortunately at the time of writing this article you could not buy just a new gasket for the cover so if yours is leaking you will need to replace the whole cover. Replace a leaking or failed breather hose or cover with help from th...
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Secondary Air Pump Replacement - C Class - W204 - Mercedes-Benz

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Secondary Air Pump Replacement - C Class - W204 - Mercedes-Benz Secondary Air Pump Replacement Time: 2 hours Tab: $240 to $800 Talent: 2 Tools: E30, E25 Torx Applicable Models: Mercedes-Benz W204 (2008-15) Parts Required: New air pump Hot Tip: Use care working on old rubber hoses Performance Gain: Pass a smog test Complementary Modification: Air pump check valves If your car is not passing a smog test one of the things that could be wrong is the secondary air pump. This article will show you how to replace the air pump on a Mercedes-Benz W204 C350. The pump is connected to the motor by a mount that needs to be transferred to the new pump so be aware and do not throw the old pump out with the mount attached. You do not get the mount with the new pump. Trouble passing a SMOG test? Replace your secondary air pump. Applies to: C350 (2007-14), SLK350 (2004-14), CLS350 (2004-14), CLK350 (2005-14), E350 (2005-14), S350 (2005-14), SL350 (2005-14), R350 (2006-14), ML350 (2006-14),...
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Air Injection Change Over Valve Replacement - C Class - Mercedes-Benz

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Air Injection Change Over Valve Replacement - C Class - Mercedes-Benz Air Injection Change Over Valve Replacement Time: 30 minutes Tab: $40 Talent: 2 Tools: Hands Applicable Models: Mercedes-Benz C350 (2007-14) Mercedes-Benz CLK350 (2006-09) Mercedes-Benz E350 (2006-14) Mercedes-Benz GLK350 (2010-12) Mercedes-Benz ML350 (2006-14) Mercedes-Benz R350 (2006-12) Mercedes-Benz S350 (2006, 2012-13) Mercedes-Benz SLK350 (2005-14) Parts Required: Change over valve Hot Tip: Clean the area before removing the sensor Performance Gain: Better control of fuel injection and engine timing Complementary Modification: Replace crankshaft position sensor If your car is not passing a smog test, one of the things that could be wrong is the air injection change over valve. This article will show you how to replace the valve on a Mercedes-Benz W204. Air injection change over valves can cause your car to fail a SMOG test. Change them out with the help of this article. Applies to: C350 (20...
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