Engine belt

From W220 S-Class Encyclopedia
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Poly-V-belt drive (Serpentine Belt)

Drives engine components (alternator, AC compressor, etc.) from the engine.

S350/S430/S500

  1. Automatic belt tensioner
  2. ABC tandem pump (pump for power-steering assistance and ABC chassis)
  3. Air conditioning compressor
  4. Crankshaft
  5. Coolant pump
  6. Generator (alternator)
  7. Idler pulley

Length: 2380mm

S55 AMG

The S 55 AMG has two poly-V-belts (belt one shown in purple/belt two shown in black).
  1. Idler pulley
  2. Automatic belt tensioner
  3. ABC tandem pump (pump for power-steering assistance and ABC chassis)
  4. Air conditioning compressor
  5. Crankshaft
  6. Coolant pump
  7. Generator (alternator)
  8. Idler pulley
  9. Automatic belt tensioner
  10. Supercharger

Length of belt one: 1289 mm

Length of belt two: 2462 mm

S600

  1. Automatic belt tensioner
  2. ABC tandem pump (pump for power-steering assistance and ABC chassis)
  3. Air conditioning compressor
  4. Crankshaft
  5. Coolant pump
  6. Generator (alternator)
  7. Idler pulley
  8. Idler pulley
  9. Idler pulley

Length: 2335 mm

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