Mercedes-Benz CLS500 Idler Pulley Replacement at your home or office.

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Idler Pulley Replacement Service

How much does a Idler Pulley Replacement cost?

On average, the cost for a Mercedes-Benz CLS500 Idler Pulley Replacement is $104 with $9 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2006 Mercedes-Benz CLS500V8-5.0LService typeIdler Pulley ReplacementEstimate$133.95Shop/Dealer Price$156.19 - $183.54
Show example Mercedes-Benz CLS500 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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Excellent Rating

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Rating Summary
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William

34 years of experience
517 reviews
William
34 years of experience
Mercedes-Benz CLS500 V8-5.0L - Crankshaft Harmonic Balancer - Phoenix, Arizona
Great mechanic very savvy, job was completed successfully A+

Deane

11 years of experience
340 reviews
Deane
11 years of experience
Mercedes-Benz CLS500 V8-5.0L - Oil/Fluid Leak - Chula Vista, California
Awesome, knowledgeable, and very prompt.

Ricardo

14 years of experience
339 reviews
Ricardo
14 years of experience
Mercedes-Benz CLS500 V8-5.0L - Alternator - Los Angeles, California
Ricardo is a very excellent mechanic. He does all he can to correct the problem. His friendly demeanor makes you feel very comfortable he will do his best!

Andrew

11 years of experience
337 reviews
Andrew
11 years of experience
Mercedes-Benz CLS500 V8-5.0L - Check Engine Light is on Inspection - Gwynn Oak, Maryland
Great customer service.

Excellent Rating

(40)

Rating Summary
35
3
0
1
1
35
3
0
1
1
Number of Mercedes-Benz CLS500 services completed
440+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
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