Check Belt Tensioner When Replacing Water Pump on Mercedes-Benz 300E 4MATIC

A coolant leak may develop from the water pump. When replacing the water pump, the drive belt tensioner should be inspected and most likely replaced as well.

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Average mileage: (–)
4 model years affected: 1990, 1991, 1992, 1993
4 people reported this problem
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