Mercedes-Benz Garage

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...

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...

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 ...