Check Belt Tensioner When Replacing Water Pump on Mercedes-Benz C230

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: 140,000 (140,000–140,000)
5 model years affected: 1997, 1998, 1999, 2000, more2002
6 people reported this problem
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problem details
1998 Mercedes-Benz C230 140,000 mi,
Squeeking on initial start up. Mechanic also reported the tension needed replacement because there is no more room to adjust tension.