Mercedes Benz 2007 r 320 cdi User Manual

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Technical data

Layout of poly-V-belt drive

R 320 CDI

1 Coolant pump
2 Idler pulley
3 Automatic belt tensioner
4 Power steering pump
5 Air conditioning compressor
6 Crankshaft
7 Idler pulley
8 Generator (alternator)

R 350

1 Idler pulley
2 Idler pulley
3 Automatic belt tensioner
4 Power steering pump
5 Air conditioning compressor
6 Crankshaft
7 Coolant pump
8 Generator (alternator)

R 500

1 Automatic belt tensioner
2 Power steering pump
3 Air conditioning compressor
4 Crankshaft
5 Coolant pump
6 Generator (alternator)
7 Idler pulley