Mercedes-Benz CLS550 Intake Manifold Gaskets Replacement at your home or office.

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received a Intake Manifold Gaskets Replacement.
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$292.93 - $391.60

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Intake Manifold Gaskets Replacement Estimate for Mercedes-Benz CLS550

Mercedes-Benz CLS550 Intake Manifold Gaskets Replacement costs $335 on average.

CarServiceEstimateShop/Dealer Price
2016 Mercedes-Benz CLS550V8-4.6L TurboService typeIntake Manifold Gaskets ReplacementEstimate$383.39Shop/Dealer Price$477.82 - $635.23
2014 Mercedes-Benz CLS550V8-4.6L TurboService typeIntake Manifold Gaskets ReplacementEstimate$383.39Shop/Dealer Price$477.54 - $634.74
2008 Mercedes-Benz CLS550V8-5.5LService typeIntake Manifold Gaskets ReplacementEstimate$460.23Shop/Dealer Price$573.50 - $754.79
2011 Mercedes-Benz CLS550V8-5.5LService typeIntake Manifold Gaskets ReplacementEstimate$477.23Shop/Dealer Price$586.21 - $764.29
2012 Mercedes-Benz CLS550V8-4.6L TurboService typeIntake Manifold Gaskets ReplacementEstimate$383.39Shop/Dealer Price$485.76 - $649.12
2015 Mercedes-Benz CLS550V8-4.6L TurboService typeIntake Manifold Gaskets ReplacementEstimate$383.39Shop/Dealer Price$472.05 - $625.12
2007 Mercedes-Benz CLS550V8-5.5LService typeIntake Manifold Gaskets ReplacementEstimate$460.23Shop/Dealer Price$554.73 - $721.93
2017 Mercedes-Benz CLS550V8-4.6L TurboService typeIntake Manifold Gaskets ReplacementEstimate$396.89Shop/Dealer Price$463.47 - $599.98
Show example Mercedes-Benz CLS550 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 CLS550 Service

Average Rating

4.7/5

Number of Reviews

43

Rating Summary
38
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Robert

5 years of experience
20 reviews
Robert
5 years of experience
Mercedes-Benz CLS550 - Cooling/Radiator Fan Motor - Los Angeles, California
In a word, as a mechanic and representative of the Yourmechanic service, Robert is OUTSTANDING. He arrived on time for our appointment and got to work immediately on installing a replacement coolant fan for my Mercedes CLS 550. When I described another problem I’ve been having that I thought might be related, he agreed to add another repair to my quote on the spot. Luckily, I already had the part, and Robert kindly agreed to install it after the first job was complete. Bottom line, my overheating problem has been fixed and I now have heat in the cabin for those cold mornings. Very happy with the labor I was charged for as well. Perfect experience. Yourmechanic should be proud to employ such a knowledgeable and professional mechanic.

Alfred

11 years of experience
336 reviews
Alfred
11 years of experience
Mercedes-Benz CLS550 - Oil Change - San Francisco, California
Alfred arrived on time, did an excellent job, was very efficient and professional.

David

26 years of experience
142 reviews
David
26 years of experience
Mercedes-Benz CLS550 - Brake Pads Replacement (Rear) - San Diego, California
David was on time, extremely professional and polite. The service (brake pads changed) I had scheduled was more than I needed and David saw to it that I was only charged for the work he performed; I was quoted to have all the pads changed but only need the back set done. Definitely happy with the service he provided and will certainly use this service again for my future car needs. It was refreshing to deal with a mechanic that wasn't out to take my money for services I really didn't need; this was the first time i didn't feel taken advantage of when it came to servicing my car.

Cody

6 years of experience
99 reviews
Cody
6 years of experience
Mercedes-Benz CLS550 - Battery - Fort Worth, Texas
Excellent service!

Excellent Rating


YourMechanic Mercedes-Benz CLS550 Service

Average Rating

4.7/5

Number of Reviews

43

Rating Summary
38
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1
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2
38
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2
Red-stars EXCELLENT RATING ON
Number of Mercedes-Benz CLS550 services completed
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services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
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