Last night while driving through some serious rain, my 2001 ML 320 started sounding like it had an exhaust leak after driving through some good size (no where near engine stalling) puddles. This would go away as I drove and then happen agian as the undercarriage got a good splash. No loss in power, hesitation etc.

Has anyone had this problem?

John

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John
2001 ML 320
1988 560 SL
2009 Toyota Tundra TRD
1992 400 E (sold '07) (bought back, '13)
2008 ML 350