Check Engine Light on Due to Failed Catalytic Converter on Mercedes-Benz C320

Catalytic converter failure is common and may cause a Check Engine Light to illuminate.

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Average mileage: 78,000 (65,000–91,000)
5 model years affected: 2001, 2002, 2003, 2004, more2005
8 people reported this problem
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problem details
2004 Mercedes-Benz C320 91,000 mi,
Check engine light is on due to failed catalyst.
2003 Mercedes-Benz C320 65,000 mi,
I had a deceleration on the freeway and I thought the engine died. Luckly the catalytic converter was covered under a 8 year warranty in Los Angeles.