300 E 2.8, 300 E, 300 CE,
300 E 4MATIC
400 E, 500 E
Layout of Poly-V-belt Drive
1 Automatic belt tensioner
2 Crankshaft
3 Air conditioning compressor
4 Fan
5 Air pump
6 Alternator
7 Idler pulley
8 Power steering pump
9 Coolant pump
For dimensions of the poly-V-belt,
see Technical Data in Index.