Transmission Oil Seals May Leak on High Mileage Vehicles on Mercedes-Benz 420SEL

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

 

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Average mileage: 223,000 (184,000–262,000)
2 model years affected: 1990, 1991
4 people reported this problem
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1990 Mercedes-Benz 420SEL 262,000 mi,
The car is a 1986, runs good, but leaks transmission fluid. What does it cost to replace the seals?