Car Problem Reports

Mercedes-Benz S420 Transmission Oil Seals May Leak on High Mileage Vehicles

Mercedes-Benz S420 Problem
8 Reports
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Model Years Affected: 1994, 1995, 1996, 1997, 1998, 1999


High mileage vehicles may develop a leak from one or more of the transmission oil seals.

  • Visitor, , 220,000 mi

    Transmission was leaking fluid (green colored). AAMCO in Laguna Niguel, CA replaced the Electrical Connector Body Seals ($13 parts total)and refilled the fluid level. Total: $59 out the door! These guys are great!!

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