Mercedes-Benz 420SEL Problems

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

Problem Description and Possible Solution

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


(4 people reported this problem)

Mercedes-Benz 420SEL Vehicles With This Problem

RepairPal Verified
Average mileage: 223,000 (184,000–262,000)
2 model years affected: 1990, 1991
Not Your Mercedes-Benz 420SEL Problem?
Brake problem? Or maybe a faulty head gasket cylinder?
Learn About Your Car Problems
Search For a Specific Car Problem
Viewing 1-1 of 1 comments
The car is a 1986, runs good, but leaks transmission fluid. What does it cost to replace the seals?