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Mercedes-Benz S420 Problems

Coolant Hoses May Fail Unexpectedly on Mercedes-Benz S420

Problem Description and Possible Solution

The cooling system hoses may fail unexpectedly. The hoses can look good on the outside, but the rubber can degrade and erode on the inside. If not carefully checked, the hoses can burst at any time.

(6 people reported this problem)

Mercedes-Benz S420 Vehicles With This Problem

RepairPal Verified
Average mileage: (–)
6 model years affected: 1994, 1995, 1996, 1997, more1998, 1999
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