1998 ML 320 - Engine light on and off

[sferdinand]

I have 41K miles and.. my check engine light goes on sometimes and then it goes off.

I am taking the car in for a diagnosis. Anyone else have this problem.

[G-Benz]

Other than emission-related component failure, the easy things to look for are:

1. Have you recently fueled up with 87-grade octane?

2. Did you close the gas cap firmly (three twists followed by that ratchety "click")?

[manny]

I would assume, everytime your CEL goes on, the ECU should log a fault code in memory.
A scan of the ECU should reveal what the intermittent problem was ( is ).