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Old 08-19-2012, 06:18 PM
Ferdman Ferdman is offline
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Join Date: Aug 2002
Location: Southeastern PA
Posts: 2,977
John, I suspect you are using aftermarket tensioners and not a genuine MB tensioner. Realize that most/all parts bought from a MB dealer are guaranteed for 1 year. If you are buying genuine MB tensioners then take a failed one back to the MB dealer for a free replacement.
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