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

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

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

6 people reported this problem
1 comment
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Mercedes-Benz C320 vehicles with this problem

Average mileage: 116,555 miles
(111,111 - 122,000)

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