Mercedes-Benz OM 471 Introduction Into Service Manual page 19

As>built configurations
49 OiI overflow holes from cylinder
crankcase to cylinder head
50 Oil return flow openings or oil return
flow holes from cylinder head to
cylinder crankcase
x Direction of travel
51 Coolant short>circuit channel from
cylinder head to cylinder crankcase
52 Coolant overflow holes from cylinder
crankcase to cylinder head
x Direction of travel
16
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