1989 560SL 95,000 miles.
I garaged the vehicle for winter and have just taken her out of moth balls and fired her up. Started immediately but soon showed signs of a very rich mixture....black sooty exhaust emissions. I thought when I took her for a run she might clear and start to run normal, but to no avail, it still emitted sooty exhaust deposits. I then purchased some injector cleaner fluid and put it into the tank to see if that might help and then ran her a couple of miles, but it does not seem to have helped so far. Question now is; Will it need more running to clear it and if it doesn't would I be doing any harm to the motor or components?

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