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Mercedes C320 catalytic converter

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Old 01-04-2016, 04:33 PM
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Mercedes c320
Mercedes C320 catalytic converter

Hello all...

Recently I been hearing a rattling noise coming from under my 03 Mercedes C320. Took it into a shop to get diagnosed and was told I needed to replace both left and right catalytic converters. After doing my own research, I find this type of noise associated with a bad CAT that needs replacing.

Anyone tackle this type of job before? Do they need to be welded on on this type of vehicle?

The shop quoted me $900 bucks for the job which is a little much for me. I rather do the work myself. Also, if anyone has visual diagrams of removing of both CAT that would be awesome.

After shopping for the catalytic converters for both L/R, I find them to be less expensive then what I was quoted. What do you guys think? I live In CA.

Here are the links to the parts:
https://www.fcpeuro.com/products/mer...r-203490282088

https://www.fcpeuro.com/products/mer...r-203490272088

http://www.pelicanparts.com/catalog/..._pg1.htm#item0
Old 01-04-2016, 04:44 PM
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2014 E350 also restored: 1969 Camaro convertible SS 1957 Chevy Belair 2dr hardtop
On one of my older cars I bought both the cats then went to Midas and they charges me $150 to install them. Saved about $1000 for what the dealer wanted. Bought the parts from Napa they were the cheapest
Old 01-04-2016, 08:50 PM
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For a more rounded amount of feedback, its preferable to ask in the C-Section.

Welcome to the board, its a pleasure to have you.
Old 01-05-2016, 12:17 PM
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moved to W203 forum...
Old 01-05-2016, 01:57 PM
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Mercedes


Everything needed should be in the attached list.

--Kyle B (Kyleb@fcpeuro.com)
Attached Files
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w203.pdf (74.8 KB, 294 views)

Last edited by FCPEuro; 01-05-2016 at 01:59 PM.

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