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Mercedes-Benz S500 Problems

Emissions-related ports in cylinder head may clog on Mercedes-Benz S500

Problem Description and Possible Solution

Ports in the cylinder head related to the emissions air injection and EGR systems can clog; the cylinder head should be removed and the ports cleaned.

(6 people reported this problem)

Mercedes-Benz S500 Vehicles With This Problem

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