E 300 DIESEL
Layout of Poly-V-belt Drive
1 Automatic belt tensioner
2 Crankshaft
3 Air conditioning compressor
E 320
4 Fan
5 Idler pulley
6 Generator (alternator)
7 Idler pulley
8 Power steering pump
E420
9 Model E 300 DIESEL: Coolant
pump, fan Models E 320, E 420:
Coolant pump
For dimensions of the poly-V-belt, see
Technical Data in Index.
124