Check engine light after Downpipe

Dec 20, 2019 | 02:39 PM

Tyler Hall

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Joined: May 2019

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2015 c300 Sport

Check engine light after Downpipe

C300 check engine light for catless downpipe. Anyone know where to get a sim? Obviously I can get a stage 2 tune to get rid of it

Last edited by Tyler Hall; Dec 20, 2019 at 02:48 PM.

Dec 20, 2019 | 02:49 PM

GreekUPS

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Joined: Mar 2018

Posts: 740

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From: Westchester County, NY

‘15 C300 4M Sport, ‘20 GLC300

That’s usually when you hear it. Only on 2015 4 cylinders I believe.

Last edited by GreekUPS; Dec 25, 2019 at 04:42 PM. Reason: Wrong thread

Dec 25, 2019 | 01:10 PM

allanyeung99

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Joined: Jul 2018

Posts: 132

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2017 Mercedes C63s

There are piggyback tunes like jb4 motorsports and other companies that can turn off the CEL off for like $500-$800. Where stage 2 is alot more expensive but more performance gains.

Dec 26, 2019 | 09:47 AM

wyattb02

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Joined: Feb 2019

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2015 C300 4Matic Sport

Quote:

Originally Posted by Tyler Hall

C300 check engine light for catless downpipe. Anyone know where to get a sim? Obviously I can get a stage 2 tune to get rid of it

Get a custom tune or buy a Fabspeed Catted o2 sensor spacer. These Fabspeed's are on the high side of spacer pricing, but have worked on every application I've seen. It has a small catalytic converter in the spacer. They always work

https://www.fabspeed.com/universal-o...verter-single/

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