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Q:

starting but not running on 1992 Mercedes-Benz 500SEL

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Car starts and runs but it runs rough and then it cuts off in less than a min. getting fuel and fire just fishing here for some help
(1) Answer
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Unfortunately it could be so many things, pretty much impossible to guess without doing some basic tests. Start with the basics, check compression is even, no vacuum leaks, adequate fuel pressure and delivery, (the car has mechanical fuel injection like an older BMW, VW/Audi, Volvo, it did not like water in the fuel, metering head and other fuel injections components died if they got water or dirt through them. Find a reputable Mercedes specialist in your area, they are a great car when they are running right. Someone specializing in Mercedes in the long run will be cheaper at getting that car to run right.