Mercedes-Benz 300SE Belt Tensioner Assemblies

Your Mercedes-Benz 300SE will be happy to know that the search for the right Belt Tensioner Assemblies you’ve been looking for is over! Advance Auto Parts has 3 different Belt Tensioner Assemblies for your vehicle, ready for shipping or in-store pick up. The best part is, our Mercedes-Benz 300SE Belt Tensioner Assemblies start from as little as $53.92.

When it comes to your Mercedes-Benz 300SE, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Belt Tensioner Assemblies brands so you can shop with complete confidence. Some of our top Belt Tensioner Assemblies brands are Febi and Litens. We’re sure you will get the right product to keep that 300SE running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Belt Tensioner Assemblies for your 300SE, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Mercedes-Benz Belt Tensioner Assemblies

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999410A)

Serpentine Belt Tensioner: 1 Piece

from

$131.99
This Litens supplied tensioner is manufactured to original equipment specifications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89451)

Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque

from

$92.99
For heavy-duty diesel engine accessory drive applications, Dayco’s HD automatic belt tensioner is designed to handle higher torque and power pulses. The heavy-duty cast aluminum body and pulley arms translate into extra strength and durability and the pat

Product Features:
  • Designed to prevent fluctuations to the tensioner body for longer service life
  • Reduces the risk of noise and helps avoid housing separation
  • Includes pulleys with lubricated bearings for longer lasting performance
  • Heavy-duty cast aluminum body and pulley arms translate into extra strength and durability
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950155A)

Serpentine Belt Tensioner: 1 Piece

from

$245.99
Litens Automotive is the original equipment (O.E.) supplier for this application. This genuine Litens replacement tensioner is also manufactured by Litens, the world’s largest supplier of original equipment power transmission products. This part is specifically designed for 3.0L Diesel applications. Heavy duty steel pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950113A)

Serpentine Belt Tensioner: 1 Piece

from

$207.99
Litens Automotive is the original equipment (O.E.) supplier for this application. This genuine Litens replacement tensioner is also manufactured by Litens, the world’s largest supplier of original equipment power transmission products. This part is specifically designed for Mercedes-Benz applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Dayco – Automatic Belt Tensioner, Dayco (Part No.89335)

Automatic Belt Tensioner, Dayco

from

$124.99
Dayco No Slack Automatic Belt Tensioners are specifically built to outperform and outlast competitive OE parts. Each component is built to endure the toughest of conditions while promoting quieter performance and longer life.

Product Features:
  • The heavy duty cast aluminum spring case resists cracking and fatigue
  • Includes installation instructions
  • Meet or exceed OE quality
  • Rust resistant construction
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999591A)

Serpentine Belt Tensioner: 1 Piece

from

$246.99
This Heavy duty belt tensioner is manufactured by one of the largest original equipment tensioner suppliers to ensure proper fit and performance. This tensioner is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. This part corresponds to the 2012-2015 Mercedes-Benz C350,E350,CL400,E400,GLK350,SLK350 with 3.5L. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. This higher damping consequently reduces arm motion and wear as well as an optimized install feature for ease on tensioner replacement. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950151A)

Serpentine Belt Tensioner: 1 Piece

from

$114.99
Litens Automotive is the original equipment (O.E.) supplier for this application. This genuine Litens replacement tensioner is also manufactured by Litens, the world’s largest supplier of original equipment power transmission products. This part is specifically designed for Dodge / Freightliner / Mercedes-Benz applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950138A)

Serpentine Belt Tensioner: 1 Piece

from

$86.99
Litens Automotive is the original equipment (O.E.) supplier for this application. This genuine Litens replacement tensioner is also manufactured by Litens, the world’s largest supplier of original equipment power transmission products. This part is specifically designed for Mercedes-Benz applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999837A)

Serpentine Belt Tensioner: 1 Piece

from

$131.99
This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part . As with the original equipment part, this replacement tensioner is manufactured in the Czech Republic and meets all performance and life specifications of the O.E. part. This part was designed for the 2014-2016 Mercedes-Benz, Sprinter, 4-Cyl. 2.1 L Diesel, Tensioner Assy. The part features a premium chrome-silicon steel spring, internal damping, a 6203 ball bearing, a plastic pulley molded to exacting specifications, a lift-lug and pull pin feature for ease of installation. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950773A)

Serpentine Belt Tensioner: 1 Piece

from

$64.99
Litens Automotive is the original equipment (O.E.) supplier for this application. This genuine Litens replacement tensioner is also manufactured by Litens, the world’s largest supplier of original equipment power transmission products. This part is specifically designed for Mercedes-Benz applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950106A)

Serpentine Belt Tensioner: 1 Piece

from

$95.99
Litens Automotive is the original equipment (O.E.) supplier for this application. This genuine Litens replacement tensioner is also manufactured by Litens, the world’s largest supplier of original equipment power transmission products. This part is specifically designed for Mercedes-Benz applications. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999562A)

Serpentine Belt Tensioner: 1 Piece

from

$251.99
This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). As with the original equipment part, this replacement tensioner is manufactured in Germany for 1990-1992 Mercedes-Benz 500CL,500E,500SL with 5.0L Gas. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. As with the original tensioner, the part comes equipped with a heavy duty polymer pulley for optimum performance and durability. To assist with belt removal and installation, this tensioner is equipped with a lift feature. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999842A)

Serpentine Belt Tensioner: 1 Piece

from

$177.99
This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part . As with the original equipment part, this replacement tensioner is manufactured in the Czech Republic and meets all performance and life specifications of the O.E. part. This part was designed for the 2012-2015 Mercedes-Benz, S550, V-8 4.6 L, Tensioner Assy. The part features a premium chrome-silicon steel spring, internal damping, a 6203 ball bearing, a plastic pulley molded to exacting specifications, a lift-lug and pull pin feature for ease of installation. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Dorman – Automatic Belt Tensioner (Tensioner Only) (Part No.419-367)

Automatic Belt Tensioner (Tensioner Only)

from

$114.99
This accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles. It is engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue.

Product Features:
  • Direct replacement – this accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles
  • Ideal solution – engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89463)

Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque

from

$159.99
For heavy-duty diesel engine accessory drive applications, Dayco’s HD automatic belt tensioner is designed to handle higher torque and power pulses. The heavy-duty cast aluminum body and pulley arms translate into extra strength and durability and the pat

Product Features:
  • Designed to prevent fluctuations to the tensioner body for longer service life
  • Reduces the risk of noise and helps avoid housing separation
  • Includes pulleys with lubricated bearings for longer lasting performance
  • Heavy-duty cast aluminum body and pulley arms translate into extra strength and durability
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999659A)

Serpentine Belt Tensioner: 1 Piece

from

$151.99
This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part . As with the original equipment part, this replacement tensioner meets all performance and life specifications of the O.E. part. This part was designed for Mercedes-Benz Applications. The Litens replacement part maintains the round wire spring and internal damping components specified by the O.E. manufacturer. Both the OE and aftermarket part are made in Europe. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.950148A)

Serpentine Belt Tensioner: 1 Piece

from

$95.99
This accessory drive tensioner is designed and engineered by Litens – the world’s largest supplier of original equipment (O.E.) belt tensioners in the world. This part corresponds to the OE P/N is A271 200 04 70. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). This part is manufactured to meet or exceed the performance and life specifications of the O.E. part. The part features a premium chrome-silicon steel spring, internal damping, a “TORX T60 lift-lug” feature for ease of installation, a 6203 ball bearing and a plastic pulley molded to exacting specifications. Specifically designed for a Mercedes C250,SLK250 w/1.8L engine. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Automatic Serpentine Belt Tensioner – Original Equipment Quality (Part No.950095A)

Automatic Serpentine Belt Tensioner - Original Equipment Quality

from

$323.99
Litens Automotive is the original equipment (O.E.) supplier of this tensioner for 2001-2011 Mercedes S430,S55,SL55,CL55,CLS55,S600,CL600,E55,G55 with 5.0/5.5 applications. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). This part is manufactured in Germany by Litens to the same exacting specifications as the O.E. part. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. Manufactured by the original equipment part supplier to insure proper form, fit, and performance. Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.

Product Features:
  • Designed and engineered by the world’s largest Original Equipment suppliers of accessory drive tensioners and pulleys
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life
  • Installation instructions included
  • Professional Mechanics will change this tensioner in about 1+ hour
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999602A)

Serpentine Belt Tensioner: 1 Piece

from

$275.99
This Heavy duty belt tensioner is manufactured by one of the largest original equipment tensioner suppliers to ensure proper fit and performance. This tensioner is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. This part corresponds to the 2007-2015 Mercedes-Benz C63,CLK63,CLS63,SLS,ML63,R63 with 6.3L. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. This higher damping consequently reduces arm motion and wear as well as an optimized install feature for ease on tensioner replacement. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Litens – Serpentine Belt Tensioner: 1 Piece (Part No.999061A)

Serpentine Belt Tensioner: 1 Piece

from

$237.99
This Litens aftermarket part is designed and engineered by one of the world’s largest supplier of Original Equipment (O.E.) tensioners. While the appearance is slightly different from the original equipment part, the Litens part maintains Mercedes-Benz original form, fit, and function specifications. The Litens design follows the O.E. choice of using rubber as the spring mechanism. Choosing The Correct Replacement Part: The Litens aftermarket tensioner is marked “Made in Germany”. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Hutchinson – Accessory Belt Tensioner (Part No.G6000316514HUT)

Accessory Belt Tensioner

from

$215.81
The Hutchinson Accessory Belt Tensioner is a direct fit OEM replacement that contains the same high quality craftsmanship as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application.
  • High tension spring assembly
  • Precision bearing assembly
  • High quality cast components
  • Durable long life performance.
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Gates – DriveAlign« Automatic Belt Drive Tensioner (Part No.39048)

DriveAlign« Automatic Belt Drive Tensioner

from

$214.99
Gates is a global leader in Original Equipment (OE) System Design. With a full line of tensioners globally, you can count on Gates to supply premium quality DriveAlign Automatic Belt Tensioners you can depend on.

Product Features:
  • Comprehensive line includes parts to fit cars, vans, SUVs and light trucks, domestic and import (European and Asian)
  • Manufactured using the same or improved technology and quality materials as the Original Equipment Manufacturer (OEM) part, assuring a factory match
  • Patented labyrinth seal protects internal components to meet or exceed OE life expectancy requirements
  • Patented vibration-damping system absorbs extreme vibration to improve tensioner, as well as belt and accessory, life
  • Torsional round spring design provides reliability as well as consistent tension
  • Comprehensive line includes parts to fit cars, vans, SUV’s and light/heavy-duty trucks.
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INA – Acc. Belt Tensioner (Part No.G6001316479INA)

Acc. Belt Tensioner

from

$179.33
Acc. Belt Tensioner

Febi – FEBI Accessory Belt Tensioner (Part No.G600041536FEB)

FEBI Accessory Belt Tensioner

from

$157.45
The FEBI Accessory Belt Tensioner is a direct fit OEM replacement that contains the same high quality craftsmanship as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application.
  • High tension spring assembly
  • Precision bearing assembly
  • High quality cast components
  • Durable long life performance.
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Hutchinson – Acc. Belt Tensioner (Part No.G6001533642HUT)

Acc. Belt Tensioner

from

$150.25
Acc. Belt Tensioner

FAQs for Mercedes-Benz 300SE Belt Tensioner Assemblies

What are the most popular Belt Tensioner Assemblies for the Mercedes-Benz 300SE?

With 3 brands you can trust, our most popular Belt Tensioner Assemblies for the Mercedes-Benz 300SE are:
Belt Tensioner Damper
from $53.92
This product is not rated
Belt Tensioner Damper
Belt Tensioner Assemblies
Serpentine Belt Tensioner: 1 Piece
from $237.99
This product is not rated
Serpentine Belt Tensioner: 1 Piece
Belt Tensioner Assemblies
FEBI Accessory Belt Tensioner
from $157.45
This product is not rated
FEBI Accessory Belt Tensioner
Belt Tensioner Assemblies