Codes P106, P0410, P0171, P0304, P0303, P0300, P0730P, P0174P

Tiny
ERIC92866
  • MEMBER
  • 2003 MERCEDES BENZ S500
  • 5.0L
  • V8
  • 2WD
  • AUTOMATIC
  • 303,000 MILES
OBD codes P106, P0410, P0171, P0304, P0303, P0300, P0730P, P0174P. Exhaust rattle, reduced power.
Saturday, June 24th, 2017 AT 8:47 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

It sound like the catalytic converter has fallen apart and it blocking the exhaust from exiting the engine which will explain the reduced power. Here is a guide the can help you get the problem fixed.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

and if it is bad here is a guide that will show you what you are if for when replacing the unit.

https://www.2carpros.com/articles/catalytic-converter-replacement

Once the repair have been done clear the codes to recheck

https://www.2carpros.com/articles/check-engine-light-clear-codes

Please let us know what happens, we are interested to see what it is.

Cheers, Ken
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Tuesday, June 27th, 2017 AT 11:49 AM

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