Febi 47975 Accessory Drive Belt Tensioner Assembly
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Febi

Febi 47975 Accessory Drive Belt Tensioner Assembly

Brand Febi 47975
Housing Material Aluminium
Material Plastic
Operating Mode automatic
Outside Diameter 65.0
Width 25.0
Fits Mercedes-Benz · 51 vehicles

Automatic tensioning. Maintains proper belt tension without manual adjustment.

Plastic and aluminium construction. Combines lightweight materials for durable belt drive support.

Accessory drive belt tensioner. Keeps the accessory belt system running smoothly.

Cross-references 276 200 01 70 and 276 200 03 70 for the same application. See all 2.

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Accessory Drive Belt Tensioner for Mercedes-Benz

Febi 47975 is an automatic accessory drive belt tensioner assembly for V-ribbed belt applications. It uses an aluminum housing with a plastic pulley and a 65 mm outside diameter to help maintain proper belt tension on select Mercedes-Benz models.

Key Features

  • Automatic accessory drive belt tensioner assembly
  • For V-ribbed belt applications
  • Aluminum housing for structural support
  • Plastic pulley material with 25.0 mm pulley surface width
  • 65.0 mm outside diameter
  • Febi part number 47975

Detailed Description

Built for accessory drive belt system service, this Febi tensioner assembly helps maintain consistent belt tension across the serpentine belt path. The automatic operating mode supports steady belt control as engine speed changes, while the aluminum housing and plastic pulley are specified for the listed Mercedes-Benz applications. This part number 47975 cross-references OE-style numbers 276 200 01 70 and 276 200 03 70 for the same application. It is a direct-fit service part for Mercedes-Benz GLC43 AMG, GLE43 AMG, GLS450, C43 AMG, GLE350, GLE400, C450 AMG, CLS400, E350, E400, GLE450 AMG, E300, GL450, GLK300, GLK350, ML350, ML400, C300, and C350 applications listed below.

What It Helps Address

  • Belt slack or inconsistent belt tension
  • Squealing or chirping from the accessory drive belt system
  • Uneven belt tracking on V-ribbed belt setups
  • Wear related to a weak or sticking automatic tensioner
  • Accessory drive belt service on Mercedes-Benz engines

Installation Notes and Tips

Verify the belt routing, pulley width, and outside diameter before installation. Confirm the OE cross-reference and vehicle application against the existing tensioner assembly, especially on Mercedes-Benz E350, GLE350, and C300 models where multiple belt-drive configurations may exist. Inspect the belt, idler pulleys, and related accessory drive components during service to avoid repeat repairs.

Quality Assurance

Febi is an established aftermarket brand for European vehicle parts, and this tensioner assembly is specified with the listed housing, pulley, and operating-mode details for the confirmed applications.

Vehicle Fitment

  • Fits 2017-2019 Mercedes-Benz GLC43 AMG, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2017-2019 Mercedes-Benz GLE43 AMG, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2017-2019 Mercedes-Benz GLS450, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2017-2018 Mercedes-Benz C43 AMG, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2016-2018 Mercedes-Benz GLE350, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2016-2017 Mercedes-Benz GLE400, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2016 Mercedes-Benz C450 AMG, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2015-2016 Mercedes-Benz CLS400, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2012-2016 Mercedes-Benz E350, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2015-2016 Mercedes-Benz E400, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2016 Mercedes-Benz GLE450 AMG, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2012-2015 Mercedes-Benz E300, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2015 Mercedes-Benz GL450, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2010-2015 Mercedes-Benz GLK300, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2013-2015 Mercedes-Benz GLK350, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2012-2015 Mercedes-Benz ML350, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2015 Mercedes-Benz ML400, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2013-2014 Mercedes-Benz C300, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25
  • Fits 2012-2014 Mercedes-Benz C350, N/A; for V-ribbed belt; outer diameter 1 (mm): 65; operating mode: automatic; housing material: aluminum; pulley material: plastic; pulley surface width (mm): 25

Related reading

This part fits 51 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2019Mercedes-BenzGLC43 AMGN/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2019Mercedes-BenzGLE43 AMGN/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2019Mercedes-BenzGLS450N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2018Mercedes-BenzC43 AMGN/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2018Mercedes-BenzGLC43 AMGN/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2018Mercedes-BenzGLE350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2018Mercedes-BenzGLE43 AMGN/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2018Mercedes-BenzGLS450N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2017Mercedes-BenzC43 AMGN/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2017Mercedes-BenzGLC43 AMGN/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2017Mercedes-BenzGLE350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2017Mercedes-BenzGLE400N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2017Mercedes-BenzGLE43 AMGN/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2017Mercedes-BenzGLS450N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2016Mercedes-BenzC450 AMGN/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2016Mercedes-BenzCLS400N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2016Mercedes-BenzE350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2016Mercedes-BenzE400N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2016Mercedes-BenzGLE350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2016Mercedes-BenzGLE400N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2016Mercedes-BenzGLE450 AMGN/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2015Mercedes-BenzCLS400N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2015Mercedes-BenzE300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2015Mercedes-BenzE350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2015Mercedes-BenzE400N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2015Mercedes-BenzGL450N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2015Mercedes-BenzGLK300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2015Mercedes-BenzGLK350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2015Mercedes-BenzML350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2015Mercedes-BenzML400N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2014Mercedes-BenzC300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2014Mercedes-BenzC350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2014Mercedes-BenzE300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2014Mercedes-BenzE350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2014Mercedes-BenzGLK300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2014Mercedes-BenzGLK350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2014Mercedes-BenzML350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2013Mercedes-BenzC300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2013Mercedes-BenzC350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2013Mercedes-BenzE300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2013Mercedes-BenzE350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2013Mercedes-BenzGLK300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2013Mercedes-BenzGLK350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2013Mercedes-BenzML350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2012Mercedes-BenzC350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2012Mercedes-BenzE300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2012Mercedes-BenzE350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2012Mercedes-BenzGLK300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2012Mercedes-BenzML350N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2011Mercedes-BenzGLK300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
2010Mercedes-BenzGLK300N/AFitment: For V-ribbed belt; Outer Diameter 1 (mm): 65; Operating Mode: Automatic; Housing Material: Aluminum; Pulley Material: Plastic; Pulley Surface Width (mm): 25
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
276 200 01 70276 200 03 70