TOPRAN 408 446 Tensioner, V-ribbed belt

Compatible with MERCEDES-BENZ C-CLASS (W204) , MERCEDES-BENZ C-CLASS T-Model (S204) , MERCEDES-BENZ E-CLASS (W212) Show more info
Ensures optimal belt tension for reliable accessory drive operation. Maintains consistent performance of your vehicle's belt system.
40.65 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (13.05.2026)
PN 408 446
Make TOPRAN

The TOPRAN 408 446 tensioner is designed to maintain the correct tension on your V-ribbed belt. Proper belt tension is crucial for the efficient operation of all accessories driven by the belt, such as the alternator, power steering pump, and air conditioning compressor. A worn or faulty tensioner can lead to premature belt wear, noise, and reduced performance of the driven components. This tensioner is engineered to provide durable and consistent performance, ensuring your belt functions as intended. Regular inspection of the belt tensioner is recommended as part of your vehicle's maintenance schedule. Replacing a worn tensioner promptly can prevent potential damage to the belt and other engine components.

  • Maintains optimal V-ribbed belt tension
  • Ensures reliable operation of accessory drives
  • Durable construction for long-lasting performance
  • Helps prevent belt slippage and noise
  • Crucial for alternator, power steering, and A/C function
  • Designed for a precise fit
  • Part of essential engine maintenance
Outer diameter [mm]
+65
Width [mm]
26
Assembly/Roller
Check the tensioner pulley
Additional article/Additional info 2
without grooves
Additional article/Additional info 2
with protection
Roller material
Plastic
Housing material
Aluminum
  • MERCEDES-BENZ
    • C-CLASS (W204)
      • C 180 CDI (204.000) (88kW/120PS)
      • C 200 CDI (204.001) (100kW/136PS)
      • C 250 CDI 4-matic (204.082) (150kW/204PS)
      • C 250 CDI (204.003) (150kW/204PS)
      • C 220 CDI (204.002) (125kW/170PS)
    • C-CLASS T-Model (S204)
      • C 200 CDI (204.201) (100kW/136PS)
      • C 250 CDI 4-matic (204.282) (150kW/204PS)
      • C 180 CDI (204.200) (88kW/120PS)
      • C 220 CDI (204.202) (125kW/170PS)
      • C 250 CDI (204.203) (150kW/204PS)
    • E-CLASS (W212)
      • E 250 CDI / BlueTEC 4-matic (212.082, 212.097) (150kW/204PS)
      • E 220 CDI / BlueTEC (212.001, 212.002) (125kW/170PS)
      • E 250 CDI / BlueTEC (212.003, 212.004) (150kW/204PS)
      • E 200 CDI / BlueTEC (212.005, 212.006) (100kW/136PS)
      • E 300 Hybrid / BlueTEC Hybrid (212.098) (150kW/204PS)
    • E-CLASS T-Model (S212)
      • E 250 CDI / BlueTEC 4-matic (212.282, 212.297) (150kW/204PS)
      • E 200 CDI / BlueTEC (212.205, 212.206) (100kW/136PS)
      • E 220 CDI / BlueTEC (212.202, 212.201) (125kW/170PS)
      • E 250 CDI / BlueTEC (212.203, 212.204) (150kW/204PS)
      • E 300 Hybrid / BlueTEC Hybrid (212.298) (150kW/204PS)
    • GLK-CLASS (X204)
      • 220 CDI (204.902) (125kW/170PS)
      • 220 CDI 4-matic (204.984, 204.997) (125kW/170PS)
      • 250 CDI 4-matic (204.982, 204.904) (150kW/204PS)
      • 200 CDI (204.901) (105kW/143PS)
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