Mercedes-Benz C300 Positive Crankcase Ventilation (PCV) Valve Replacement Costs

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Positive Crankcase Ventilation (PCV) Valve Replacement Service

How much does a Positive Crankcase Ventilation (PCV) Valve Replacement cost?

On average, the cost for a Mercedes-Benz C300 Positive Crankcase Ventilation (PCV) Valve Replacement is $123 with $28 for parts and $95 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2015 Mercedes-Benz C300L4-2.0L Turbo	Service typePositive Crankcase Ventilation (PCV) Valve Replacement	Estimate$848.79	Shop/Dealer Price$1021.62 - $1402.31
2009 Mercedes-Benz C300V6-3.0L	Service typePositive Crankcase Ventilation (PCV) Valve Replacement	Estimate$177.51	Shop/Dealer Price$215.67 - $290.71
2008 Mercedes-Benz C300V6-3.0L	Service typePositive Crankcase Ventilation (PCV) Valve Replacement	Estimate$177.51	Shop/Dealer Price$215.67 - $290.71
2011 Mercedes-Benz C300V6-3.0L	Service typePositive Crankcase Ventilation (PCV) Valve Replacement	Estimate$177.51	Shop/Dealer Price$215.63 - $290.64
2013 Mercedes-Benz C300V6-3.5L	Service typePositive Crankcase Ventilation (PCV) Valve Replacement	Estimate$150.13	Shop/Dealer Price$181.47 - $236.00
2010 Mercedes-Benz C300V6-3.0L	Service typePositive Crankcase Ventilation (PCV) Valve Replacement	Estimate$177.51	Shop/Dealer Price$215.67 - $290.71
2014 Mercedes-Benz C300V6-3.5L	Service typePositive Crankcase Ventilation (PCV) Valve Replacement	Estimate$155.13	Shop/Dealer Price$186.21 - $240.53
2012 Mercedes-Benz C300V6-3.0L	Service typePositive Crankcase Ventilation (PCV) Valve Replacement	Estimate$182.51	Shop/Dealer Price$221.09 - $296.43

Show example Mercedes-Benz C300 Positive Crankcase Ventilation (PCV) Valve Replacement prices

What is the Positive Crankcase Ventilation (PCV) Valve all about?

The PCV Valve transfers gasses from inside the crankcase to the intake manifold where they are burned as part of the normal combustion process. Excess fumes are burned by the engine, rather than released into the atmosphere.

Keep in mind:

PCV valve failure can be caused by other engine problems. To ensure that this is not the case, a mechanic should test your engine after replacing the PCV valve, to make sure that the car runs well and doesn’t have other issues.

How it's done:

Disconnect the vacuum hose.
Remove and replace the PCV valve.
Replace PCV hose if appropriate.
Install vacuum hose.

Our recommendation:

In general, it is a good practice to replace the PCV valve during every major tune-up. Changing the engine oil and flushing the engine on a regular basis will prevent sludge build-up inside the oil pan that may cause the PCV valve to fail.

What common symptoms indicate you may need to replace the Positive Crankcase Ventilation (PCV) Valve?

Leaks in the engine compartment.
Leaks underneath the car.
A hissing noise from the engine.
Car runs poorly.

How important is this service?

As excess gas accumulates in your crankcase, the PCV valve redirects it through the intake manifold, where they are used as a normal part of your engine’s process. When the PCV valve fails, your engine won’t redirect this excess gas that it depends on. As such your vehicle will not run smoothly, and it will likely get much worse gas mileage.

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Juan

5 years of experience

202 reviews

Juan

5 years of experience

by Karen Cox

C300 2011 - Positive Crankcase Ventilation (PCV) Valve - Oviedo, FL

After seeing 3 other mechanics, to find the source of a whistling noise, and oil dipstick popping out -spewing oil all over my engine 2x! Juan expertly diagnosed the engine like a surgeon! He discovered quickly that I had a clogged PCV valve, which caused the engine to struggle. Juan was expert at replacing this part, and even took the time to show me that part that was clogged by trying to blow air through it. Now that the engine is repaired, my old car feels NEW AGAIN! Thank you so much Juan- you brilliant!!!

Mike

25 years of experience

79 reviews

Mike

25 years of experience

by David McGrann

C300 2017 - Check Engine Light is on - Livonia, MI

Mike diagnosed the problem quickly and was completely honest. I fully recommend him and Your Mechanic.

Christopher

20 years of experience

2 reviews

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Christopher

20 years of experience

Request Christopher

by Pranit Flora

C300 2014 - Fuel Filter - Stamford, CT

Very professional and courteous

PETE

20 years of experience

26 reviews

PETE

20 years of experience

by Derrick May

C300 2013 - Oil Change - New Castle, DE

Great job! Once again.

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