Drive Belt Tensioner Replacement Estimate for Mercedes-Benz S420

Mercedes-Benz S420 Drive Belt Tensioner Replacement costs $193 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$192 to $205
Labor: $91 -$104
Parts: $101
Average Dealer price
$323
Average Shop price
$235
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CarServiceYourMechanic PriceShop/Dealer Price
1999 Mercedes-Benz S420V8-4.2LService typeDrive Belt Tensioner ReplacementYourMechanic Price$200.27Shop/Dealer Price$260.62 - $367.34
1995 Mercedes-Benz S420V8-4.2LService typeDrive Belt Tensioner ReplacementYourMechanic Price$198.25Shop/Dealer Price$258.25 - $363.57
1998 Mercedes-Benz S420V8-4.2LService typeDrive Belt Tensioner ReplacementYourMechanic Price$198.25Shop/Dealer Price$258.14 - $363.40
1997 Mercedes-Benz S420V8-4.2LService typeDrive Belt Tensioner ReplacementYourMechanic Price$198.25Shop/Dealer Price$258.19 - $363.48
1994 Mercedes-Benz S420V8-4.2LService typeDrive Belt Tensioner ReplacementYourMechanic Price$200.27Shop/Dealer Price$260.64 - $367.39
1996 Mercedes-Benz S420V8-4.2LService typeDrive Belt Tensioner ReplacementYourMechanic Price$200.27Shop/Dealer Price$260.61 - $367.32
Show example Mercedes-Benz S420 Drive Belt Tensioner Replacement prices

Parts required for a Mercedes-Benz S420 Drive Belt Tensioner Replacement

Accessory Belt Tensioner
$101

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All about Drive Belt Tensioner Replacement

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.

Drive Belt Tensioner Replacement Estimates for Popular Mercedes-Benz Models