2003 Mercedes-Benz E500 Q&A
2003 Mercedes-Benz E500 Question: Possible computer error.
This sounds like a check engine light trouble code being thrown. Start with the RepairPal article on the check engine light: http://repairpal.com/check-engine-light You'll need a good diagnostic technician--intermittent emission control system problems can be hard to figure out. - matte
probably bad camshaft sensor - Visitor
It is definately the Crankshaft Position Sensor. Just had my replaced at the Stealership $280. - Visitor