Febi 12100 Accessory Drive Belt Tensioner Assembly
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Febi

Febi 12100 Accessory Drive Belt Tensioner Assembly

Brand Febi 12100
Housing Material Aluminium
Material Plastic
Operating Mode automatic
Outside Diameter 80.0
Width 32.0
Fits Mercedes-Benz · 9 vehicles

Automatic tensioning. Maintains proper accessory drive belt tension without manual adjustment.

Plastic and aluminium construction. Combines lightweight materials for durable tensioner assembly performance.

Accessory drive belt component. Keeps the belt system operating smoothly and consistently.

Cross-references 119 200 01 70 and 119 200 02 70 for the same application. See all 2.

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Accessory Drive Belt Tensioner for Mercedes-Benz

Febi 12100 is an automatic accessory drive belt tensioner assembly built with an aluminium housing, plastic pulley material, and an 80.0 mm outside diameter. It is specified for Mercedes-Benz V8 applications where stable belt tension is needed for consistent accessory drive operation.

Compatible With Mercedes-Benz S420, S500, E500, and 500SEC applications listed below, this Febi 12100 tensioner matches the OE-style dimensions and operating mode used on the original setup.

Key Features

  • Automatic accessory drive belt tensioner assembly
  • Aluminium housing for the tensioner body
  • Plastic pulley material
  • 80.0 mm outside diameter
  • 32.0 mm pulley surface width
  • Direct fitment for select Mercedes-Benz models
  • Part number: 12100

Detailed Description

Febi 12100 is an accessory drive belt tensioner assembly for select Mercedes-Benz vehicles. The automatic operating mode helps maintain belt tension across normal engine movement and accessory load changes, while the aluminium housing and plastic pulley construction follow the listed OE-style specifications. This part number 12100 is cataloged for 1993-1999 Mercedes-Benz applications including S420, S500, E500, and 500SEC, with engine-number restrictions noted in the fitment data.

This part cross-references 119 200 01 70 and 119 200 02 70 for the same application.

What It Helps Address

  • Belt slack that can lead to accessory drive noise
  • Inconsistent belt tension on the serpentine drive system
  • Wear related to a tensioner pulley that no longer tracks correctly
  • Accessory drive instability on Mercedes-Benz S420, S500, E500, and 500SEC models
  • Service replacement for a worn automatic belt tensioner assembly

Installation Notes and Tips

Verify engine number before ordering, since the listed fitment includes engine-number limits for each application. Confirm the pulley width, outside diameter, and automatic operating mode against the original unit before installation. Inspect the belt, idler components, and adjacent pulleys for wear during service so the new tensioner can operate correctly.

Quality Assurance

Febi supplies replacement parts built to match the listed application requirements and OE-style specifications for the accessory drive belt system. Febi 12100 is cataloged for direct replacement use on the Mercedes-Benz models shown in the fitment data.

Related reading

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1999Mercedes-BenzS420N/AOuter Diameter 1 (mm): 80; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 32; To Engine No.:011682
1999Mercedes-BenzS500N/AOuter Diameter 1 (mm): 80; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 32; To Engine No.:026390
1998Mercedes-BenzS500N/AOuter Diameter 1 (mm): 80; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 32; To Engine No.:026390
1997Mercedes-BenzS500N/AOuter Diameter 1 (mm): 80; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 32; To Engine No.:026390
1996Mercedes-BenzS500N/AOuter Diameter 1 (mm): 80; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 32; To Engine No.:026390
1995Mercedes-BenzS500N/AOuter Diameter 1 (mm): 80; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 32; To Engine No.:026390
1994Mercedes-BenzE500N/AOuter Diameter 1 (mm): 80; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 32; To Engine No.:005781
1994Mercedes-BenzS500N/AOuter Diameter 1 (mm): 80; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 32; To Engine No.:026390
1993Mercedes-Benz500SECN/AOuter Diameter 1 (mm): 80; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 32; To Engine No.:026390
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
119 200 01 70119 200 02 70