Engine belt: Difference between revisions

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==Description - Poly-V-belt drive (Serpentine Belt)==
==Description==
The Poly-V-belt drive (commonly known as the Serpentine Belt) drives engine components (alternator, AC compressor, etc.) from the engine.
The Poly-V-belt drive (commonly known as the Serpentine Belt) drives engine components (alternator, AC compressor, etc.) from the engine.


==Layout Diagrams - Poly-V-belt drive (Serpentine Belt)==
==Layout Diagrams==
=== S350/S430/S500 ===
=== S350/S430/S500 ===
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==DIY Replacement - Poly-V-belt drive (Serpentine Belt)==
== Replacing belt ==
=== S350/S430/S500 ===
The tension can be released using 17mm socket and pushing the bar down (see photo below).
See photo DIY here
 
[[File:W220_S500_removing_serpentine_belt.jpg|300px]]


See photo DIY here (S350/S430/S500):
http://www.benzworld.org/forums/w220-s-class/1582489-drive-belt-idler-change-photo-diy.html
http://www.benzworld.org/forums/w220-s-class/1582489-drive-belt-idler-change-photo-diy.html
=== S55 AMG ===
TBD
=== S600 ===
TBD

Revision as of 20:52, 23 July 2019

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Description

The Poly-V-belt drive (commonly known as the Serpentine Belt) drives engine components (alternator, AC compressor, etc.) from the engine.

Layout Diagrams

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

Replacing belt

The tension can be released using 17mm socket and pushing the bar down (see photo below).

See photo DIY here (S350/S430/S500): http://www.benzworld.org/forums/w220-s-class/1582489-drive-belt-idler-change-photo-diy.html