1992 Mercedes-Benz 500SEL Q&A
1992 Mercedes-Benz 500SEL Question: starting but not running
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. - patrick mannion
I am having issues where the vehicle is actually dropping oil pressure when it gets hot. when you get to about 2000 rpm the oil pressure drops and the red light comes on. the pressure sensor has be...