Mercedes-Benz ML320 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 ML320 Idler Pulley Replacement is $116 with $21 for parts and $95 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1999 Mercedes-Benz ML320V6-3.2L	Service typeIdler Pulley Replacement	Estimate$203.39	Shop/Dealer Price$242.99 - $322.42
2001 Mercedes-Benz ML320V6-3.2L	Service typeIdler Pulley Replacement	Estimate$316.38	Shop/Dealer Price$380.56 - $478.42
2002 Mercedes-Benz ML320V6-3.2L	Service typeIdler Pulley Replacement	Estimate$316.38	Shop/Dealer Price$380.55 - $478.41
2008 Mercedes-Benz ML320V6-3.0L Turbo Diesel	Service typeIdler Pulley Replacement	Estimate$136.03	Shop/Dealer Price$163.78 - $207.68
2000 Mercedes-Benz ML320V6-3.2L	Service typeIdler Pulley Replacement	Estimate$316.38	Shop/Dealer Price$380.62 - $478.52
2003 Mercedes-Benz ML320V6-3.2L	Service typeIdler Pulley Replacement	Estimate$316.38	Shop/Dealer Price$380.55 - $478.41
1998 Mercedes-Benz ML320V6-3.2L	Service typeIdler Pulley Replacement	Estimate$188.39	Shop/Dealer Price$227.78 - $307.05

Show example Mercedes-Benz ML320 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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Patrick

33 years of experience

1408 reviews

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Patrick

33 years of experience

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by Miranda

Mercedes-Benz ML320 V6-3.2L - Check Drive Belts - Austin, Texas

Very friendly and helpful. Always arrives early.

Theodore

16 years of experience

1587 reviews

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Theodore

16 years of experience

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by Preston

Mercedes-Benz ML320 V6-3.2L - Check Engine Light is on - Renton, Washington

Excellent.

Chet

41 years of experience

491 reviews

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41 years of experience

by Sara

Mercedes-Benz ML320 V6-3.2L - Check Transmission System - Chula Vista, California

Professional, timely and quite knowledgeable. Knowing a trustworthy mechanic who knows what he's doing is as important as knowing a good doctor or dentist, etc. I found this in Chet. I will definitely use this service again and request him as my your mechanic mechanic once I order the part or decide my next course of action. I now have peace of mind about my Mercedes ml320. Thanks Chet!

Ricky

11 years of experience

34 reviews

Ricky

11 years of experience

by Manju

Mercedes-Benz ML320 V6-3.2L - Coolant is leaking - Lake Forest, Illinois

Good work...unfortunately I cannot followup with him for fixing the problem in the next few days as he is really busy. I may have to go with some one who is as good as he for getting it fixed for the time being. May be next time he is available. Thanks.

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