| Ditto - the ECU will certainly log the fact that you filled it with E85. If you have an engine problem under warranty, you may be asked to pay for it yourself. And you will have an uphill battle in court, if MB did not specifically certify the 4Matics for E85.
Don't do it - it's not worth it.
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2008 C350 Sport
2007 ML320 CDI
2005 Jeep Liberty CRD (turbo-diesel)
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