Mercedes-Benz CLK350 Intake Manifold Gaskets Replacement at your home or office.

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Intake Manifold Gaskets Replacement Estimate for Mercedes-Benz CLK350

Mercedes-Benz CLK350 Intake Manifold Gaskets Replacement costs $280 on average.

CarServiceEstimateShop/Dealer Price
2007 Mercedes-Benz CLK350V6-3.5LService typeIntake Manifold Gaskets ReplacementEstimate$379.84Shop/Dealer Price$473.48 - $656.97
2008 Mercedes-Benz CLK350V6-3.5LService typeIntake Manifold Gaskets ReplacementEstimate$379.84Shop/Dealer Price$473.70 - $657.36
2009 Mercedes-Benz CLK350V6-3.5LService typeIntake Manifold Gaskets ReplacementEstimate$390.34Shop/Dealer Price$481.55 - $663.22
2006 Mercedes-Benz CLK350V6-3.5LService typeIntake Manifold Gaskets ReplacementEstimate$379.84Shop/Dealer Price$479.87 - $668.16
Show example Mercedes-Benz CLK350 Intake Manifold Gaskets Replacement prices

Intake Manifold Gaskets Replacement Service

What is an intake manifold gasket and how does it work?

The intake on an engine may be made up of a lower intake manifold and an upper intake manifold or plenum. The lower intake manifold is a cast aluminum or molded plastic chamber bolted to the cylinder head of the engine. The intake manifold must be tightly sealed to the cylinder head(s) using a gasket in order to prevent air, oil, or engine coolant leaks.

When to consider replacing the intake manifold gasket:

Internal or external leaks. Due to constant temperature expansion and contraction of engine parts or overheating, the gasket’s ability to seal properly can be ruined, resulting in problems such as:

  • Internal or external engine coolant leaks. In some applications, the manifold has cooling passages within. If the manifold seal to the engine fails, coolant can leak externally or even into the engine oil crankcase, where coolant can be noticed in the engine oil.
  • Engine overheating. If the leak at the manifold is a leak of engine coolant, it can lead to engine overheating. However, there are other causes of engine overheating, so a mechanic would have to determine the actual cause.
  • External oil leaks. On some 6 and 8 cylinder engines, the intake manifold sits atop an oil-lubricated area of the engine block. If the manifold gasket has failed, oil can leak from the block to the exterior of the engine.
  • Poor engine operation, lean operation, rough idle. Vacuum air leaks into the manifold due to a defective gasket that will upset the air-fuel ratio. The engine may run poorly.
  • Check engine light. Minor leaks at the intake manifold gasket will not usually cause the check engine light to illuminate. However, as a leak persists, it may grow larger and it possible for the leak to degrade engine performance enough that it will cause a trouble code to set, which will cause the check engine light to illuminate.

How do mechanics replace the intake manifold gasket?

  • Working on a cold engine, the engine cover is removed. If the intake manifold has internal cooling system passageways, the engine coolant is drained below the level of those passageways.
  • The accelerator cable assembly and cruise control cable are removed and set aside. All electrical connections and emission and vacuum lines in the way of the intake are removed. Ignition components, such as the coil, are removed as needed. If the car has an upper plenum, that is removed and set aside.
  • If the fuel rail is bolted to the intake manifold, the supply and return connections to the fuel rail are disconnected.
  • Once all connections to the manifold are clear, the manifold is unbolted and removed from the engine.
  • Aluminum and plastic manifolds are checked with a machinist’s straightedge to ensure the surface flatness does not exceed the original equipment manufacturer’s specification. If the surface of a manifold is not flat, the new gasket will not seal properly. Plastic manifolds are checked for cracks, heat damage, and warpage.
  • Once the manifold is deemed re-usable or replaced as needed, the new gasket is applied, the manifold is put in position and the mounting bolts are torqued with a calibrated torque wrench in the OEM specified sequence. In some applications, RTV sealant must be applied in corners of the mounting surface or specified hard-to-seal spots, per the service manual.
  • All removed components are then re-installed in the reverse of the above steps.
  • Finally, the vehicle is run and checked for leaks, and test driven.

Is it safe to drive with an intake manifold gasket problem?

Yes. The principal concern with a leaking intake manifold gasket is potential damage to the engine, depending on where the leak is. Although the vehicle will generally be safe to drive, you should schedule service as soon as possible to minimize the chances of additional costly damage. If the leak involves coolant, it could lead to engine overheating damage or the coolant could contaminate the engine oil, which can damage the engine bearings. If there is an air leak to the cylinders, it can cause lean operation which could overheat the catalytic converter.

When replacing the intake manifold gasket keep in mind:

  • In engines where coolant flows through the intake manifold, a leaking intake manifold gasket can be either the cause of or result of engine overheating. If you have a leaking intake manifold gasket, and the engine has overheated, the entire engine should be inspected for damage, such as a blown head gasket. The engine cooling system thermostat should be replaced because engine overheating can damage the cooling system thermostat.
  • Some car engine designs are more likely than others to experience leaking intake manifold gaskets due to material and design issues. Your mechanic can inform you if your car represents one of these cases. Many times a re-designed gasket, or altered installation technique and torque values, will be relevant to avoid a recurrence of any leaks. Mechanics will consult Technical Service Bulletins to determine if any unique circumstance exists for your car.

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YourMechanic Mercedes-Benz CLK350 Service

Average Rating

4.8/5

Number of Reviews

80

Rating Summary
75
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Ben

40 years of experience
1158 reviews
Ben
40 years of experience
Mercedes-Benz CLK350 - Car is not starting - Houston, Texas
Knowledgeable, professional, and amiable.

Daniel

20 years of experience
344 reviews
Daniel
20 years of experience
Mercedes-Benz CLK350 - Brake Pads Replacement (Rear) - Missouri City, Texas
Daniel was very knowledgeable and friendly. Would recommend him to others.

Tabitha

16 years of experience
224 reviews
Tabitha
16 years of experience
Mercedes-Benz CLK350 - 80,000 Miles Maintenance Service - Solana Beach, California
Tabitha is great at what she does! She is very knowledgeable about was able to figure out what was going on with an oil leak in my car that previous mechanics were not. She worked quickly yet thoroughly and was able to work with my timetable. I appreciated her professionalism and would absolutely have her work on my car in the future. Thank you, Tabitha!

John

26 years of experience
686 reviews
John
26 years of experience
Mercedes-Benz CLK350 - Oil Change - Galveston, Texas
My nearest dealership is an hour away and always overcrowded. John is the only other person I trust to work on my Mercedes.

Excellent Rating


YourMechanic Mercedes-Benz CLK350 Service

Average Rating

4.8/5

Number of Reviews

80

Rating Summary
75
2
1
0
2
75
2
1
0
2
Number of Mercedes-Benz CLK350 services completed
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