Continental 49860 Accessory Drive Belt Tensioner Assembly - Accessory Drive
OE Quality 60-Day Returns
Continental
 Multi-V

Continental 49860 Accessory Drive Belt Tensioner Assembly - Accessory Drive

Brand Continental 49860
Position Accessory Drive
Pulley 1 Bore Diameter 0.670
Pulley 1 Outside Diameter 2.56
Pulley 1 Width 1.02
Pulley 1 Material Thermoplastic
Pulley Surface Type Smooth
Product line Multi-V
Fits Mercedes-Benz · 33 vehicles

OE fit and performance. Meets or exceeds OEM standards for dependable replacement.

Accu-Drive technology. Dampens vibration and keeps belt tension steady.

Thermoplastic pulley. Smooth surface helps reduce wear and noise.

Cross-references Four Seasons 39338, 2742000070 and 2742000270 for the same application. See all 9.

$128.62Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $128.62
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Accessory Drive Belt Tensioner Assembly options

Accessory Drive Belt Tensioner for Mercedes-Benz

Continental Multi-V part number 49860 is an accessory drive belt tensioner assembly built for OE-style fit and performance. It uses Accu-Drive technology with a round torsion spring to help dampen belt vibration, maintain steady tension, and keep the belt aligned as it wears.

Compatible with Mercedes-Benz Metris, Sprinter 1500, Sprinter 2500, SLC300, E300, GLC300, C300, and SLK300 applications, this tensioner is engineered for the accessory drive system where consistent belt control matters. The Continental 49860 is a direct-fit service part for vehicles that need stable belt tracking and reduced accessory drive stress.

Key Features

  • Accessory drive belt tensioner assembly for Multi-V belt systems
  • Accu-Drive torsion-spring design helps maintain constant belt tension
  • Helps compensate for belt wear and reduce vibration in the drive system
  • Thermoplastic pulley with smooth surface for accessory belt operation
  • Pulley dimensions: 2.56 in. outside diameter, 1.02 in. width, 0.670 in. bore diameter
  • Designed to meet or exceed OEM fit and performance expectations

Product Details

Continental Multi-V 49860 is built for the accessory drive belt system on Mercedes-Benz vehicles, including 2016-2023 Mercedes-Benz Metris, 2019-2023 Mercedes-Benz Sprinter 1500, 2019-2023 Mercedes-Benz Sprinter 2500, 2018-2020 Mercedes-Benz SLC300, 2017-2019 Mercedes-Benz E300, 2016-2019 Mercedes-Benz GLC300, 2015-2018 Mercedes-Benz C300, and 2016 Mercedes-Benz SLK300. The tensioner’s spring-loaded design helps keep belt tension consistent as operating conditions change, which supports smoother accessory operation and proper belt alignment. This part cross-references Four Seasons 39338 for the same application.

What It Helps Address

  • Belt squeal caused by inconsistent tension
  • Visible belt flutter or vibration in the accessory drive
  • Premature belt wear from poor alignment or weak tension control
  • Accessory drive noise related to a worn tensioner assembly
  • Reduced belt tracking stability on Multi-V systems

Installation Notes and Tips

Inspect the belt, idler pulleys, and related accessory drive components before installation. Replace worn or glazed belts at the same time if needed, and verify pulley alignment after service. Confirm the application by matching the vehicle year, model, and accessory drive configuration before ordering Continental 49860.

Quality Assurance

Continental designs this Multi-V tensioner assembly to meet or exceed OEM fit and performance standards. Accu-Drive technology is used to help control vibration, maintain alignment, and support longer accessory component life in the belt drive system.

Related reading

This part fits 33 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2023Mercedes-BenzMetris2.0LL4—Accessory DriveMulti-V
2023Mercedes-BenzSprinter 15002.0LL4GASAccessory DriveMulti-V
2023Mercedes-BenzSprinter 25002.0LL4GASAccessory DriveMulti-V
2022Mercedes-BenzMetris2.0LL4—Accessory DriveMulti-V
2022Mercedes-BenzSprinter 15002.0LL4—Accessory DriveMulti-V
2022Mercedes-BenzSprinter 25002.0LL4—Accessory DriveMulti-V
2021Mercedes-BenzMetris2.0LL4—Accessory DriveMulti-V
2021Mercedes-BenzSprinter 15002.0LL4—Accessory DriveMulti-V
2021Mercedes-BenzSprinter 25002.0LL4—Accessory DriveMulti-V
2020Mercedes-BenzMetris2.0LL4—Accessory DriveMulti-V
2020Mercedes-BenzSLC3002.0LL4—Accessory DriveMulti-V
2020Mercedes-BenzSprinter 15002.0LL4—Accessory DriveMulti-V
2020Mercedes-BenzSprinter 25002.0LL4—Accessory DriveMulti-V
2019Mercedes-BenzE3002.0LL4—Accessory DriveMulti-V
2019Mercedes-BenzGLC3002.0LL4—Accessory DriveMulti-V
2019Mercedes-BenzMetris2.0LL4—Accessory DriveMulti-V
2019Mercedes-BenzSLC3002.0LL4—Accessory DriveMulti-V
2019Mercedes-BenzSprinter 15002.0LL4—Accessory DriveMulti-V
2019Mercedes-BenzSprinter 25002.0LL4—Accessory DriveMulti-V
2018Mercedes-BenzC3002.0LL4—Accessory DriveMulti-V
2018Mercedes-BenzE3002.0LL4—Accessory DriveMulti-V
2018Mercedes-BenzGLC3002.0LL4—Accessory DriveMulti-V
2018Mercedes-BenzMetris2.0LL4—Accessory DriveMulti-V
2018Mercedes-BenzSLC3002.0LL4—Accessory DriveMulti-V
2017Mercedes-BenzC3002.0LL4—Accessory DriveMulti-V
2017Mercedes-BenzE3002.0LL4—Accessory DriveMulti-V
2017Mercedes-BenzGLC3002.0LL4—Accessory DriveMulti-V
2017Mercedes-BenzMetris2.0LL4—Accessory DriveMulti-V
2016Mercedes-BenzC3002.0LL4—Accessory DriveMulti-V
2016Mercedes-BenzGLC3002.0LL4—Accessory DriveMulti-V
2016Mercedes-BenzMetris2.0LL4—Accessory DriveMulti-V
2016Mercedes-BenzSLK3002.0LL4—Accessory DriveMulti-V
2015Mercedes-BenzC3002.0LL4—Accessory DriveMulti-V
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 3933827420000702742000270274200047027420006702742001270274200147027420016002742001670