Mercedes-Benz S430 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 S430 Idler Pulley Replacement is $272 with $44 for parts and $228 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
2003 Mercedes-Benz S430V8-4.3L	Service typeIdler Pulley Replacement	Estimate$364.38	Shop/Dealer Price$428.48 - $526.29
2004 Mercedes-Benz S430V8-4.3L	Service typeIdler Pulley Replacement	Estimate$316.38	Shop/Dealer Price$380.56 - $478.42
2006 Mercedes-Benz S430V8-4.3L	Service typeIdler Pulley Replacement	Estimate$316.38	Shop/Dealer Price$380.55 - $478.41
2005 Mercedes-Benz S430V8-4.3L	Service typeIdler Pulley Replacement	Estimate$316.38	Shop/Dealer Price$380.46 - $478.24
2002 Mercedes-Benz S430V8-4.3L	Service typeIdler Pulley Replacement	Estimate$316.38	Shop/Dealer Price$380.62 - $478.52
2000 Mercedes-Benz S430V8-4.3L	Service typeIdler Pulley Replacement	Estimate$316.38	Shop/Dealer Price$380.55 - $478.41
2001 Mercedes-Benz S430V8-4.3L	Service typeIdler Pulley Replacement	Estimate$328.38	Shop/Dealer Price$391.98 - $489.41

Show example Mercedes-Benz S430 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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Levi

8 years of experience

53 reviews

Levi

8 years of experience

by Bola Togun

S430 2006 - Brakes, Steering and Suspension Inspection - Oklahoma City, OK

Very nice, efficient, professional and communicative

Jay

30 years of experience

1009 reviews

Jay

30 years of experience

by Von Lawson

S430 2003 - Power door locks are not working - Beaumont, CA

I have used Mr. Unger many times and he is always a professional who does an excellent job. He is always on time and never makes mistakes. He is honest and explains everything he does. He is a man of integrity. And that is often hard to find in California. He has the experience and the wisdom t work on all my vehicles. His friendly nature, and down-to-earth personality just adds to his professional manner.

Shawn

22 years of experience

62 reviews

Shawn

22 years of experience

by Mareo Williams

S430 2005 - Electrical components are not working - Hampton, VA

Great ,Professional and know what he was doing.

Bryan

4 years of experience

58 reviews

Bryan

4 years of experience

by Chester L Jackson

S430 2004 - Shock Absorber - Inglewood, CA

He paid attention to detail as well as showed empathy towards our deepest concerns ! Overall we want to thank management for selecting Bryan as our mechanic on Saturday ! Going forward please send him for our needs !

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