HomeBelts and Cooling > Accessory Drive Belt System ComponentsFebi 37697 Accessory Drive Belt Tensioner Assembly
Part #: 37697

Febi 37697 Accessory Drive Belt Tensioner Assembly

⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, C180, C200, C250, and SLK200
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Overview of Febi Accessory Drive Belt Tensioner Assembly 37697

The Febi Accessory Drive Belt Tensioner Assembly 37697 is designed for precise belt tension control in select Mercedes-Benz models. Engineered with durable materials and an automatic operating mode, this tensioner assembly supports reliable accessory drive system performance.

  • Material: Plastic pulley for smooth belt operation
  • Housing Material: Aluminium for lightweight strength
  • Width: 28.0 mm ensuring proper belt alignment
  • Outside Diameter: 76.0 mm optimized for fitment
  • Operating Mode: Automatic tension adjustment

Detailed Product Description

This accessory drive belt tensioner assembly from Febi is specifically engineered to maintain optimal tension on the accessory drive belt in Mercedes-Benz vehicles such as the C180, C200, C250, and SLK200. The combination of a plastic pulley and aluminium housing balances durability with weight reduction, contributing to efficient engine accessory operation. The automatic operating mode allows the tensioner to adjust dynamically, reducing belt slip and wear over time. With a width of 28.0 mm and an outside diameter of 76.0 mm, this tensioner assembly fits precisely within the accessory drive belt system, ensuring consistent performance and longevity.

Compatible Vehicles and Applications

  • Mercedes-Benz C180 accessory drive belt tensioner replacement
  • Mercedes-Benz C200 accessory drive belt tensioner replacement
  • Mercedes-Benz C250 accessory drive belt tensioner replacement
  • Mercedes-Benz SLK200 accessory drive belt tensioner replacement

Common Issues Addressed by Part Number 37697

  • Eliminates belt slippage caused by worn tensioners
  • Prevents premature accessory belt wear
  • Reduces noise from loose or misaligned belts
  • Maintains proper tension for alternator and power steering belts
  • Improves overall accessory drive system reliability

Installation Notes and Tips

When installing the Febi accessory drive belt tensioner assembly 37697, ensure the belt is properly routed according to the vehicle’s service manual. The automatic tensioner requires no manual adjustment, but verify that the tensioner pulley spins freely and the housing is securely mounted. Inspect the accessory drive belt for wear and replace if necessary to maximize the lifespan of the new tensioner.

Quality Assurance and Warranty

Febi manufactures this accessory drive belt tensioner assembly to meet or exceed OEM specifications for Mercedes-Benz vehicles. The use of high-quality plastic and aluminium materials ensures durability under normal operating conditions. While specific warranty details are not provided, Febi products typically come with a limited warranty covering defects in materials and workmanship.

BrandFebi
Part Number37697
MaterialPlastic
Width28.0
Outside Diameter76.0
Housing MaterialAluminium
Operating ModeAutomatic

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2014Mercedes-BenzC200N/AOuter Diameter 1 (mm): 76; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 28; From Engine Number: 31216220
2014Mercedes-BenzC250N/AOuter Diameter 1 (mm): 76; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 28; From Engine Number: 31216220
2013Mercedes-BenzC250N/AOuter Diameter 1 (mm): 76; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 28; From Engine Number: 31216220
2012Mercedes-BenzC180N/AOuter Diameter 1 (mm): 76; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 28; From Engine Number: 31216220
2012Mercedes-BenzC250N/AOuter Diameter 1 (mm): 76; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 28; From Engine Number: 31216220
2011Mercedes-BenzC180N/AOuter Diameter 1 (mm): 76; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 28; From Engine Number: 31216220
2011Mercedes-BenzSLK200N/AOuter Diameter 1 (mm): 76; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 28; From Engine Number: 31216220
2010Mercedes-BenzSLK200N/AOuter Diameter 1 (mm): 76; Operating Mode: automatic; Housing Material: Aluminium; Pulley Material: Plastic; Pulley Surface Width (mm): 28; From Engine Number: 31216220

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

271 200 04 70

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.