1990 Mercedes-Benz 300SE Q&A

1990 Mercedes-Benz 300SE Question: I had a minor oil leak on one of the six cylinders did tuneup putoil firing plug

replace valve cover gasket now it has better pick up but seems like I always need to add qurt of oil Should I replace all the spark plugs with oil Fire plugs?? -
Answer 1
You need to find out where that out is going. Do you see smoke out of the tailpipe or drips on the ground? -
Comment 1
No No white smoke and after replaced Valve cover gasket I do not see leaks but I still need to ad oil most of the time ?? PS I never had an oil change since I had car over 1 yr because of the oil leak should I go back now and get one ?? -