Engine misfire

RAMZITH1

MEMBER
2001 MERCEDES BENZ S600
5.8L
V12
2WD
AUTOMATIC
155 MILES

Started the car early morning the engine light came on and the engine vibrated, took the car to MB garage to check said right side cylinders not getting sparks, also the code which came on P0300 and 1, 5, 3, 6, 2, 4.

Checked the right coil found it is sparking and working.

please help what to do?

Thanks

Ramzi

8 Replies

KEN L

MASTER CERTIFIED MECHANIC
42,959 POSTS

Hello,

It sounds like you have a bad ground or the ECM when out. here is a guide and the wiring diagrams so you can see how the system works and to test the grounds and connections to confirm the failure:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

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Monday, April 22nd, 2019 AT 12:49 PM

RAMZITH1

MEMBER
70 POSTS

Dear Ken,

Refer to our conversation regarding my S600 issue, the issue solved by replacing the right coil with Mercedes benz original parts from eBay it cost me USD$682.00 and the spark plugs cost me USD$159.50, now the S600 runs smoothly, no more issues.

Thanks,
Ramzi

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Thursday, May 9th, 2019 AT 4:35 PM

RAMZITH1

MEMBER
70 POSTS

Dear Ken,

Please find attached the parts I replaced, of course it is used one.

Ramzi

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Thursday, May 9th, 2019 AT 4:37 PM

KEN L

MASTER CERTIFIED MECHANIC
42,959 POSTS

Great find! Glad you could get it fixed, that kind of problem can be tough. Please use 2CarPros anytime we are here to help. This post will help many :)

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Friday, May 10th, 2019 AT 10:26 AM