Car Problem Reports

Mercedes-Benz C230 Leaks Develop at Differential Seals/Cover on High Mileage/Older Vehicles

Mercedes-Benz C230 Problem
16 Reports
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Model Years Affected: 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007

Average Mileage: 116,250 mi (63,000 mi - 172,000 mi)


Leaks may develop from the differential cover and/or seals on high mileage or older vehicles. Our technicians recommend a complete reseal of the differential unit if these leaks are addressed.

  • Visitor, , 145,000 mi

    I noticed oil on the outside of the differential and took it to the shop to have them look at it. They indicated the leak was very slow (just oozing, not dripping)and the oil level insided was still OK. Therefore it was OK to keep driving the car as-is, but to keep an eye on it. It has started to leak more and more over the past 20,000 miles, but does not seem to be causing any problems yet.

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  • Visitor, , 63,000 mi

    differential leak

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  • A fludid is leaking under or near the left rear tire. It appears to be a black fluid

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