2004 Mercedes-Benz S600 Q&A

2004 Mercedes-Benz S600 Question: Problem with a miss on #6 cyl. .

Replaced the coil pack with same result. Spark plugs on #6 showed some oil. One plug was carbon fouled. Any suggestions what to check for the oil. -
Answer 1
start with a wet and dry compression test. it will verify rings. if that is ok, it could be valve seals or bad guides Roy -