Mercedes-Benz C300 Idler Pulley Replacement Costs

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Idler Pulley Replacement Service

How much does a Idler Pulley Replacement cost?

On average, the cost for a Mercedes-Benz C300 Idler Pulley Replacement is $114 with $19 for parts and $95 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2011 Mercedes-Benz C300V6-3.0L	Service typeIdler Pulley Replacement	Estimate$235.03	Shop/Dealer Price$282.54 - $385.70
2010 Mercedes-Benz C300V6-3.0L	Service typeIdler Pulley Replacement	Estimate$224.53	Shop/Dealer Price$273.83 - $378.32
2009 Mercedes-Benz C300V6-3.0L	Service typeIdler Pulley Replacement	Estimate$253.03	Shop/Dealer Price$307.58 - $416.02
2014 Mercedes-Benz C300V6-3.5L	Service typeIdler Pulley Replacement	Estimate$132.75	Shop/Dealer Price$159.68 - $201.12
2012 Mercedes-Benz C300V6-3.0L	Service typeIdler Pulley Replacement	Estimate$224.53	Shop/Dealer Price$273.85 - $378.37
2008 Mercedes-Benz C300V6-3.0L	Service typeIdler Pulley Replacement	Estimate$253.03	Shop/Dealer Price$307.58 - $416.02
2013 Mercedes-Benz C300V6-3.5L	Service typeIdler Pulley Replacement	Estimate$157.75	Shop/Dealer Price$187.94 - $231.82

Show example Mercedes-Benz C300 Idler Pulley Replacement prices

What is the Idler Pulley all about?

An idler pulley is responsible for guiding and maintaining tension with the drive belt. The drive belt (also called the serpentine belt) connects the engine to various components of the vehicle (such as the air conditioning, power steering, and alternator). Power is transferred from the engine to these systems via the drive belt. The belt is held in place by the idler pulley, which keeps the tension on the drive belt and guides it.

Keep in mind:

When an idler pulley is replaced, it’s a good idea to replace the drive belt as well.

How it's done:

Inspect engine for noises
Inspect the drive belts
Spin the pulley
Replace the pulleys if found bad
Check for proper operations of the belt

Our recommendation:

Any time that drive belt maintenance is performed on your vehicle, the idler pulley should be examined. Idler pulleys usually wear out with time, so it is a safe precautionary procedure to have your idler pulley replaced during any drive belt servicing.

What common symptoms indicate you may need to replace the Idler Pulley?

Noises from the engine
Warning lights are on
Loss of power steering
Car is overheating

How important is this service?

The idler pulley is responsible for keeping your drive belt aligned, and for maintaining the tension in the drive belt. The drive belt is used to transfer power from the engine to the alternator, power steering, and air conditioning, among other systems. If the driver pulley starts to degrade, the drive belt will be less efficient, and your vehicle will be liable to overheat or run poorly. If the idler pulley fully breaks, the drive belt will no longer work at all, and your car won’t run.

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Fadi

16 years of experience

103 reviews

Fadi

16 years of experience

by Gary Brenner

C300 2008 - Idler Pulley - Poway, CA

Very knowledgeable and easy to speak with.

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

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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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