Mercedes-Benz SLC300 Drive Belt Tensioner Replacement at your home or office.

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Drive Belt Tensioner Replacement Service

How much does a Drive Belt Tensioner Replacement cost?

On average, the cost for a Mercedes-Benz SLC300 Drive Belt Tensioner Replacement is $311 with $157 for parts and $154 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2017 Mercedes-Benz SLC300L4-2.0L TurboService typeDrive Belt Tensioner ReplacementEstimate$484.40Shop/Dealer Price$566.84 - $805.23
Show example Mercedes-Benz SLC300 Drive Belt Tensioner Replacement prices

What is the Drive Belt Tensioner all about?

A Drive Belt Tensioner is a pulley mounted to either a spring mechanism or to an adjustable pivot point that is used to keep constant tension on your serpentine belt. That is the big long belt in the front of your engine.

The tensioner rides on the outside surface of the belt to put pressure, or tension, on the belt and against the pulleys that drive things like the alternator, power steering, air conditioner, etc.

Keep in mind:

Tensioners usually come with pulleys; they are normally replaced together. Also, when replacing a tensioner, the drive belt usually must be removed. A mechanic may recommend replacing the belt as well.

How it's done:

  • Check for any noise in the engine (usually a squeaky or grinding noise).
  • Remove the drive belt(s) (in most cases).
  • Inspect drive belt pulleys.
  • Check the drive belt tensioner.
  • Remove and replace the tensioner if faulty.
  • Start car to see if noise is gone.

Our recommendation:

Your drive belt tensioner should always be inspected when your drive belt is serviced. During routine maintenance and inspection, your drive belt system should be reviewed to make sure that all the components are in working order. The drive belt tensioner will usually last longer than the drive belts, so as long as your tensioner is inspected or replaced when your drive belts are, your belt system should remain in good shape.

What common symptoms indicate you may need to replace the Drive Belt Tensioner?

Unusual noise (squeaky or grinding sound) every time you start the engine.

How important is this service?

The air conditioning, power steering, and alternator in your vehicle are given power through the drive belt. The belt is attached to both the crankshaft and these systems, and transfers power from the engine to drive each of these components. The drive belt tensioner is responsible for keeping the tension in the drive belt, which allows it to continue moving and transferring power. When the drive belt tensioner fails, the tension in the drive belt will begin to diminish, and the vehicle will not operate as well.

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Meet some of our expert Mercedes-Benz mechanics

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Excellent Rating

(49)

Rating Summary
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Mazyar

20 years of experience
587 reviews
Mazyar
20 years of experience
Mercedes-Benz SLC300 L4-2.0L Turbo - Brake Pads Replacement (Front) - Atlanta, Georgia
Could not have been more pleased with the great customer experience provided by Mayzar. He was early on a day that was very nasty due to weather. Kept me updated and made sure I understood everything he did. Looking forward to my next maintenance experience with Your Mechanic team.

David

12 years of experience
225 reviews
David
12 years of experience
Mercedes-Benz Sprinter 3500 V6-3.0L Turbo Diesel - Drive Belt Tensioner - Shawnee Mission, Kansas
David is very competent, courteous, timely and helpful. Worked on my Mercedes. Highly recommend him.

Cody

9 years of experience
99 reviews
Cody
9 years of experience
Mercedes-Benz E350 V6-3.5L - Drive Belt Tensioner - Mansfield, Texas
Cody is very professional and extremely knowledgeable.

Ostus

9 years of experience
71 reviews
Ostus
9 years of experience
Mercedes-Benz CLK350 V6-3.5L - Drive Belt Tensioner Replacement - Decatur, Georgia
Ostuss arrive on time, with the required part and repaired my vehicle in record time. NO MORE SQUEAKING! He provided knowledge about the condition of my vehicle along with future recommendations, for awareness. His confidence and skillsets were very visible in his analysis and recommendations. I will definitely utilize his services again.

Excellent Rating

(49)

Rating Summary
47
2
0
0
0
47
2
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Number of Mercedes-Benz Drive Belt Tensioner Replacement services completed
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